Flanges PDF File

Flanges

Section 8 Flanges This section contains extracts from American and British specifications applicable to stainless steel flanges. Subsections and topics Flanges-GeneralInformation ASME/ANSI Flanges (incl. MSS SP-44 and API 605)

Pages 8-2 8-4

Weld Neck Flanges - Welding Ends (ASME/ANSI)

8-5

Ring Joint Facings - ASME/ANSI B16.5 & B16.47 Weld Neck Flanges - ANSI B16.5 SlipOnFlanges-ANSIB16.5

8-24, 8-46

LapJointFlanges- ANSIB16.5

8-32

BS 3293 Flanges (Weld Neck and Slip On > NPS 26) BS 4504 Circular Flanges - General Weld Neck Flange - Welding Ends FlangeFacings-BS4504

8-39 8-55 8-60 8-62 8-62

Flange Drilling Details - BS 4504

8-64

Plate Flanges (Code 101) - BS 4504

8-65

Weld Neck Flanges (Code 111) - BS 4504 Slip On Flanges (Code 112) - BS 4504 Threaded Flanges (Code 113) - BS 4504 Blank Flanges (Code 105) - BS 4504 BS 10 Flanges

8-66 8-68 8-69 8-70 8-71

Pressure/Temperature Ratings (ASME/ANSI)

Specifications covered in this Section

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8-17

Blind Flanges - ANSI B16.5 & ASME B16.47 (MSS SP-44) ThreadedFlanges - ANSI B16.5

Aalco

8-6 8-10, 8-46

8-73

Page

ASME B16.5-1996 - Pipe Flanges and Flanged Fittings NPS 1/2 through NP 24

8-4 (general) 8-10 to 8-45

ASME B16.47-1996 - Large Diameter Steel Flanges NPS 26 through NPS 60 (Covers MSS SP-44 and API 605 flanges)

8-4 (general) 8-46 to 8-54

MSS SP-44 1996 - Edition, Steel Pipeline Flanges (Covered by ASME B16.47-1996 Series A)

8-46 to 8-50

API Standard 605 - Cancelled (Covered by ASME B16.47-1996 Series B)

8-51 to 8-54

BS 10 : 1962 - Specification for Flanges and Bolting for Pipes, Valves, and Fittings

8-71

BS 3293 : 1960 (incorporating amendment 1972) Specification for Carbon Steel Pipe Flanges (over 24 inches nominal size) for the Petroleum Industry

8-55

BS 4504 : Section 3.1 : 1989 (incorporating amendments) Circular Flanges for Pipes, Valves and Fittings (PN designated), Section 3.1 Specification for Steel Flanges

8-60

ISO 7005-1 : 1992 (E), Metallic Flanges - Part 1: Steel Flanges (this is substantially the same as BS 4504)

8-60

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8-1

Flanges

Flanges - General Information A Flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or screwed into such systems and then joined with bolts.

Flange Types :HOG1HFN This flange is circumferentially welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography. The bores of both pipe and flange match, which reduces turbulence and erosion inside the pipeline. The weld neck is therefore favoured in critical applications

6OLSRQ This flange is slipped over the pipe and then fillet welded. Slip-on flanges are easy to use in fabricated applications.

%OLQG This flange is used to blank off pipelines, valves and pumps, it can also be used as an inspection cover. It is sometimes referred to as a blanking flange.

6RFNHW:HOG This flange is counter bored to accept the pipe before being fillet welded. The bore of the pipe and flange are both the same therefore giving good flow characteristics.

7KUHDGHG This flange is referred to as either threaded or screwed. It is used to connect other threaded components in low pressure, non-critical applications. No welding is required.

/DS-RLQW These flanges are always used with either a stub end or taft which is butt welded to the pipe with the flange loose behind it. This means the stub end or taft always makes the face. Thebecause lap jointit is is easily favoured in low pressure applications assembled and aligned. To reduce cost these flanges can be supplied without a hub and/or in treated, coated carbon steel.

5LQJ7\SH-RLQW This is a method of ensuring leak proof flange connection at high pressures. A metal ring is compressed into a hexagonal groove on the face of the flange to make the seal. This jointing method can be employed on Weld Neck, Slip-on and Blind Flanges.

8-2

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Flanges

Flanges - General Information Specifications Refer to page 8-1 for a list of flange specifications (with page references) covered in this Section.

Manufacture Summary of materials used for flanges

Forging (ASTM A 182) Plate (ASTM A 240) 4 Bar5 Casting6

ASME/

ASME B16.47

ASME B16.47

ANSI B16.5

Series A 1) (or MSS SP-44

B 2) ( orSeries API 605

✔

✔

✔

✔

✔

BS 4504

BS 3293

3

BS 10

✔

✔

✔

✔

✔

✔ ✔ ✔

Notes 1 MSS SP-44 flanges are designated Series A flanges in ASME B16.47. 2 API 605 has been cancelled. API 605 flanges are designated Series B flanges in ASME B16.47. 3 BS 10, although obsolete, remains in use for light weight economy stainless steel flanges. 4 Within specification ANSI B16.5, plate can only be used to provide blind flanges. 5 Most small BS 10 flanges are made from bar. 6 Castings are not included in this manual.

❍ Materials . Most standards specify the material from which the flange is produced. The purchaser should specify the exact requirements. ❍ Flange Sizes. All sizes and grades compatible to standard pipe ranges and wall thicknesses (pressure ratings) are available. The table below provides a summary. ❍ Flange Face . There are various face configurations for flanges. Typically: flat face, raised face, tongue and groove, ring joint.

❍ Face Finish. The finish on the face of a flange is measured as an Arithmetical Average Roughness Height (AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH 500AARH (3.2 Ra to 12.5 Ra). Other finishes are available on request, for example 1.6 Ra max, 1.6/3.2 Ra, 3.2/6.3 Ra or 6.3/12.5 Ra. The range 3.2/6.3 Ra is most common.

Summary of flange sizes specified by common standards

ASME/ANSI B16.5 Flange Type < NPS 26

WeldNeck Slip-on

Class (lb) 150-2500 150-1500

Blind 150-2500 LapJoint 150-2500 SocketWeld 150-1500 Threaded 1 50-2500 Flat/Raised Facings As above Ring Joint Facings 150-2500 Other Facings 150-2500 3

Specifications ASME B16.47 BS 4504 Series B BS 3293 (ISO 7005-1) (or API 6052) Nominal Pipe Sizes DN 10 to >NPS 26 > NPS 26 DN 4000 Nominal Pressure (Class) Class (lb) PN (bar) Class (lb) 75-900 2.5-40 150-600 2.5-40 150-600

ASME B16.47 Series A (or MSS SP-441) >NPS 26 Class (lb) 150-900 300-900 As above 300-900 -

300-900 As above 300-900 -

2.5-40 6-403 N/A 6-40 As above 2.5-40 2.5-40

As above 300-600 -

Notes 1 MSS SP-44 flanges are designated Series A flanges in ASME B16.47. It also covers flanges in the range NPS 12 to 24, these being equivalent to ASME/ANSI B16.5 flanges in the same range (except for the addition of NPS 22 in MSS SP-44). 2 API 605 has been cancelled. API 605 flanges are designated Series B flanges in ASME B16.47. Ranges quoted are based on ASME B16.47 Series B. 3 Dimensions not covered in this summary.

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8-3

Flanges

ASME/ANSI B16.5-1996 and B16.47-1996 American national standards ASME/ANSI B16.5 and B16.47 together cover pipe flanges up to NPS 60 (NPS 48 is the largest detailed in this summary). ASME/ANSI B16.47 covers two series of flanges, Series A which is equivalent to MSS SP-44 (the 1996 Edition of MSS SP-44 complies with B16.47 tolerances), and Series B which is equivalent to API 605 (API 605 is now cancelled).

Dimensions and Tolerances Tolerances on flange dimensions (ASME/ANSI B16.5 and B16.47, and MSS SP-44) Dimension

Tolerance

Range

in mm General and Blind Flanges (For blind flange dimensions see page 8-23 for B16.5, page 8-46 for B16.47 Series A / MSS SP-44 and page 8-51 for B16.47 Series B / API 605): ±0.03 ±0.76 < NPS 24 G (raised face diameter)

I (bolt hole diameter) J (bolt circle diameter) Centre to centre of adjacent bolt holes Eccenticity of bolt circle and machined facing diameters

> NPS 26, with 0.06 in raised face > NPS 26, with 0.25 in raised face All

±0.08

± 2.03

±0.04

± 1.02

No tolerance in B16.5 or B16.47 ±0.06 ±1.52

All

±0.03

±0.76

1

< NPS 2 /2

±0.03

±0.76

> NPS 3

±0.06

±1.52

All

Weld Neck Flanges 1 (For dimensions see page 8-10 for B16.5, page 8-46 for B16.47 Series A / MSS SP-44 and page 8-51 for B16.47 Series B / API 605):
NPS 5 to 10

+0.06, -0.12

+1.52, -3.05

NPS 12 to 24

+0.12, -0.18

+3.05, -4.57

>NPS26 Thickness of hub

All

±0.19

±4.83

> 87.5% of pipe nominal wall thickness

Slip on (see page 8-17), Lap Joint (see page 8-32 for dimensions) and Socket Welding (see page 8-30 for dimensions) Flanges: NPS12 +0.06,-0.0 +1.52,-0.0 Threaded Flanges (see page 8-40 for dimensions): B (counterbore) (Not applicable for Class 150 lb)

+0.03,-0.0

+0.76,-0.0

>NPS12

+0.06,-0.0

+1.52,-0.0

Ring Joint Facing (See page 8-6 for dimensions; see page 8-9 for tolerances) Note 1 See page 8-5 for weld neck welding end dimension and tolerance data.

8-4

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Flanges

General - ASME/ANSI B16.5 & B16.47 Weld Neck Flanges - Welding Ends

ASME/ANSI B16.5 (NPS 1/2 to 24) Weld Neck Flange Bevel (with no backing ring) for Wall Thicknesses (t) from 0.19 to 0.88 in (4.83 to 22.35 mm).

ASME/ANSI B16.5 (NPS 1/2 to 24) Weld Neck Flange Bevel (with no backing ring) for Wall Thicknesses (t) >0.88 in (22.35 mm).

ASME B16.47 and MSS SP-44 (>NPS 24) Weld Neck Flange Bevel (with no backing ring) for Wall Thickness (t) = 0.19 to 0.88 in (4.83 to 22.35 mm).

ASME B16.47 and MSS SP-44 (>NPS 24) Weld Neck Flange Bevel (with no backing ring) for Wall Thicknesses (t) > 0.88 in (22.35 mm).

Tolerances on welding end dimensions (ASME/ANSI B16.5 and B16.47, and MSS SP-44) Dimension E (outside diameter at welding end) B (inside diameter of flange) t (thickness at weld bevel)

Range NPS 26 B < NPS 10 B>NPS12to18 B > NPS 20 All

in +0.09,-0.03 +0.16, -0.03 +0.21, -0.06 ±0.03 +/-0.03 +0.12, -0.06

Tolerance

mm +2.29,-0.76 +4.06, -0.76 +5.33,-1.52 ±0.76 0.76 ± +3.05, -1.52

>87.5%

Note t = Nominal wall thickness of the pipe. Additional thickness at the weld bevel (up to 0.5 x t) may be provided on the inside or outside diameter (or partially on both) of the hub if it is used with light walled higher strength pipe. Hub diameter, F, may also be increased.

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8-5

Flanges

Ring Joint Facings - ASME/ANSI B16.5 & B16.47

Note Values for minimum flange thickness, C, and overall length, D, are detailed in -

the flange tables. For ring joint tolerances see page 8-9.

Ring joint facing dimensions - ASME/ANSI B16.5 and B16.47 Series A (MSS SP-44) and Series B (API 605) Raised Face

Class (lb) 150

300

400

600

900

1500

g in r e /R b e v m Face o u Pitch ro N Diameter Diameter min G

2500

Nominal Pipe Size (NPS)

Groove

in mm

in mm

in mm

in mm

Radius at Bottom in mm

2.000 50.80 2.380 60.45 2.500 63.50 2.560 65.02 2.620 66.55 2.500 63.50 2.750 69.85 2.810 71.37 2.880 73.15 2.880 73.15 3.120 79.25 3.190 81.03 3.250 82.55 3.250 82.55 3.560 90.42 3.620 91.95 4.000 101.60 4.000 101.60 4.250 107.95 4.500 114.30 4.880 123.95 4.750 120.65 5.000 127.00 5.250 133.35

1.344 34.14 1.562 39.67 1.688 42.88 1.688 42.88 1.750 44.45 1.875 47.63 2.000 50.80 2.000 50.80 2.000 50.80 2.250 57.15 2.375 60.33 2.375 60.33 2.375 60.33 2.562 65.07 2.688 68.28 2.688 68.28 2.844 72.24 3.250 82.55 3.250 82.55 3.250 82.55 3.750 95.25 4.000 101.60 4.000 101.60 4.000 101.60

0.219 5.56 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.312 7.92 0.250 6.35 0.312 7.92 0.312 7.92 0.312 7.92 0.250 6.35 0.312 7.92 0.312 7.92

0.281 7.14 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.344 8.74 0.469 11.91 0.344 8.74 0.469 11.91 0.469 11.91 0.469 11.91 0.344 8.74 0.469 11.91 0.469 11.91

0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76

Depth1

Width

ASME/ANSI B16.5 covers NPS 1/2 to 24: 1

/2

1

/2

3

/4

3

/4

R11 1

R12

/2

R13 1/ 2 3

/4

1

R15 1

1

R16 1 2 /

2 /

11/4 1

1 /4

11/2 11/2

3 < s e z i s r fo 0 0 6 s s a l C e s U

1

1 /4

11/2

2 < s e z i s r o f 0 0 5 1 s s a l C e s U

R16 3

1

1

/4

R16 R17 R18

1

R18

1 /4 1

R18 R19 R20

1 1/ 2

R20 11/4

2

R21

R22 2

2

R23 11/2 2

R23 R24

21/2

R25 21/2

21/2

R26 2

8-6

R13 R14

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R26

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Flanges

Ring Joint Facings - ASME/ANSI B16.5 & B16.47 Ring joint facing dimensions - ASME/ANSI B16.5 and B16.47 Series A (MSS SP-44) and Series B (API 605) (Continued) Raised Face

Class (lb) 150

300

400

600

900

1500

g in r e /R b e v m Face o u Pitch o r N Diameter Diameter min G

2500

Nominal Pipe Size (NPS) 2 1/ 2

2

R27

1/

3 < s e iz s r o f 0 0 6 s s a l C e s U

3 -

2

3

2

31/2 31/2

0.438 11.13 0.312 7.92 0.250 6.35 0.312 7.92 0.312 7.92 0.500 12.70 0.250 6.35 0.312 7.92 0.312 7.92 0.312 7.92 0.375 9.53 0.500 12.70 0.250

0.656 16.66 0.469 11.91 0.344 8.74 0.469 11.91 0.469 11.91 0.781 19.84 0.344 8.74 0.469 11.91 0.469 11.91 0.469 11.91 0.531 13.49 0.781 19.84 0.344

0.06 1.52 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.06 1.52 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.06 1.52 0.06 1.52 0.03

273.05 11.880 301.75 12.120 307.85 12.500 317.50 13.380 339.85 13.000 330.20 14.000 355.60 14.250 361.95 14.620 371.35

247.65 10.625 269.88 10.625 269.88 10.625 269.88 11.000 279.40 12.000 304.80 12.750 323.85 12.750 323.85 12.750 323.85

6.35 0.312 7.92 0.312 7.92 0.438 11.13 0.562 14.27 0.250 6.35 0.312 7.92 0.312 7.92 0.438 11.13

8.74 0.469 11.91 0.469 11.91 0.656 16.66 0.906 23.01 0.344 8.74 0.469 11.91 0.469 11.91 0.656 16.66

0.76 0.03 0.76 0.03 0.76 0.06 1.52 0.06 1.52 0.03 0.76 0.03 0.76 0.03 0.76 0.06 1.52

R32 R33

31/2

R34 R35

4

R37 R37 R38 R39

5

R41 5

R41 5

6

R42

R43 5 6

R44 R45

6

R45 6

R46 6

8

R47

R48 8

R49 8

R49 8

R50 8

10

R51

R52 10

10

10

R53 10

R53 10

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0.76 0.06 1.52 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.06 1.52 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76 0.03 0.76

6.1881 57.18 6.375 161.93 6.750 171.45 7.125 180.98 7.125 180.98 7.500 190.50 7.625 193.68 7.625 193.68 8.312 211.12 8.312 211.12 8.312 211.12 9.000 228.60 9.750

R31 3

R40

8

11.91 0.531 13.49 0.344 8.74 0.469 11.91 0.469 11.91 0.469 11.91 0.531 13.49 0.344 8.74 0.469 11.91 0.469 11.91 0.344 8.74 0.469 11.91 0.469 11.91

8.000 203.20 7.620 193.55 7.620 193.55 8.250 209.55 8.500 215.90 9.500 241.30 8.620 218.95 9.000 228.60 9.500 241.30 9.500 241.30 9.750 247.65 11.000 279.40 10.750

3

5

8

27.92 0.375 9.53 0.250 6.35 0.312 7.92 0.312 7.92 0.312 7.92 0.375 9.53 0.250 6.35 0.312 7.92 0.312 7.92 0.250 6.35 0.312 7.92 0.312 7.92

-

4

6

0.03

136.65 5.880 149.35 5.250 133.35 5.750 146.05 6.120 155.45 6.620 168.15 6.060 153.92 6.250 158.75 6.620 168.15 6.750 171.45 6.880 174.75 7.120 180.85

4

6

0.469

R31

3

4

5

in mm

0.31

R30

R36

5

in mm

4.250

2

R29

4 4

in mm

5.380

Width

2

R28

3

4

in mm


Depth1

107.95 4.37511 1.13 4.500 114.30 4.625 117.48 4.875 123.83 4.875 123.83 5.000 127.00 5.188 131.78 5.188 131.78 5.375 136.53 5.875 149.23 5.875 149.23 5.875 149.23

21/2

-

Groove

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R54


8-7

Flanges

Ring Joint Facings - ASME/ANSI B16.5 & B16.47

Note Values for minimum flange thickness, C, and overall length, D, are detailed in -

the flange tables. For ring joint tolerances see page 8-9.

Ring joint facing dimensions - ASME/ANSI B16.5 and B16.47 Series A (MSS SP-44) and Series B (API 605) (Continued) Raised Face

Class (lb) 150

300

400

600

900

1500

g in r e /R b e v m Face o u Pitch ro N Diameter Diameter min G

2500

Nominal Pipe Size (NPS) 10 12

R56 12

12

12

R57 12

R57 12

14

R58 R59 12

14

14

14

R60

R61 14

R62 14

16

R63 R64

16

16

16

R65 16

R66 16

18

R67 R68

18

18

18

R69 18

R70 R71

18

20

R72 20

20

20

R73 20

R74 20

24

R75 R76

24

24

24

R77 24

8-8

R55

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R78

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Groove

in mm

in mm

in mm

in mm


16.750 425.45 16.000 406.40 16.250 412.75 16.500 419.10

13.500 342.90 15.000 381.00 15.000 381.00 15.000 381.00

0.688 17.48 0.250 6.35 0.312 7.92 0.312 7.92

1.188 30.18 0.344 8.74 0.469 11.91 0.469 11.91

0.09 2.29 0.03 0.76 0.03 0.76 0.03 0.76

17.250 438.15 16.750 425.45 19.500 495.30 18.000 457.20 18.380 466.85 19.250 488.95 19.000 482.60 20.000 508.00 20.620 523.75 21.500 546.10 21.500 546.10 22.620 574.55 23.380 593.85 24.120 612.65 23.500 596.90 25.000 635.00 25.500 647.70 26.500 673.10 28.000 711.20 29.500 749.30 30.380 771.65

15.000 381.00 15.625 396.88 16.000 406.40 16.500 419.10 16.500 419.10 16.500 419.10 17.875 454.03 18.500 469.90 18.500 469.90 18.500 469.90 20.375 517.53 21.000 533.40 21.000 533.40 21.000 533.40 22.000 558.80 23.000 584.20 23.000 584.20 23.000 584.20 26.500 673.10 27.250 692.15 27.250 692.15

0.562 14.27 0.250 6.35 0.688 17.48 0.312 7.92 0.438 11.13 0.625 15.88 0.250 6.35 0.312 7.92 0.438 11.13 0.688 17.48 0.250 6.35 0.312 7.92 0.500 12.70 0.688 17.48 0.250 6.35 0.375 9.53 0.500 12.70 0.688 17.48 0.250 6.35 0.438 11.13 0.625 15.88

0.906 23.01 0.344 8.74 1.312 33.32 0.469 11.91 0.656 16.66 1.062 26.97 0.344 8.74 0.469 11.91 0.656 16.66 1.188 30.18 0.344 8.74 0.469 11.91 0.781 19.84 1.188 30.18 0.344 8.74 0.531 13.49 0.781 19.84 1.312 33.32 0.344 8.74 0.656 16.66 1.062 26.97

0.06 1.52 0.03 0.76 0.09 2.29 0.03 0.76 0.06 1.52 0.09 2.29 0.03 0.76 0.03 0.76 0.06 1.52 0.09 2.29 0.03 0.76 0.03 0.76 0.06 1.52 0.09 2.29 0.03 0.76 0.06 1.52 0.06 1.52 0.09 2.29 0.03 0.76 0.06 1.52 0.09 2.29

Depth1

Width


Flanges

Ring Joint Facings - ASME/ANSI B16.5 & B16.47 Ring joint facing dimensions - ASME/ANSI B16.5 and B16.47 Series A (MSS SP-44) and Series B (API 605) (Continued) Raised Face

Class (lb) 150

300

400

600

900

1500

g in r e /R b e v m Face o u Pitch o r N Diameter Diameter min G

2500

Nominal Pipe Size (NPS) 24

R79

MSS SP-44 only, covers NPS 22: 22

22

22

R81

Groove

in mm

in mm

in mm

in mm


31.250

27.250

0.812

1.438

0.09

793.75

692.15

20.62

36.53

2.29

27.000 685.80

25.000 635.00

0.438 11.13

0.594 15.09

0.06 1.52

Depth1

Width

ASME/ANSI B16.47 (MSS SP-44 & API 605) covers NPS 26 to 36. (There are no ring joint facings >NPS 36) 26

26

26

R93

28

28

28

R94

30

30

30

R95

32

32

32

R96

34

34

34

R97

36

36

36

R98 26

R100

28

R101

30

R102

32

R103

34

R104

36

R105

31.880 809.75 33.880 860.55 36.120 917.45 38.750 984.25 40.750 1035.1 43.000 1092.2 32.750 831.85 35.000 889.00 37.250 946.15 39.500

29.500 749.30 31.500 800.10 33.750 857.25 36.000 914.40 38.000 965.20 40.250 1022.4 29.500 749.30 31.500 800.10 33.750 857.25 36.000

0.500 12.70 0.500 12.70 0.500 12.70 0.562 14.27 0.562 14.27 0.562 14.27 0.688 17.48 0.688 17.48 0.688 17.48 0.688

0.781 19.84 0.781 19.84 0.781 19.84 0.906 23.01 0.906 23.01 0.906 23.01 1.188 30.18 1.312 33.32 1.312 33.32 1.312

0.06 1.52 0.06 1.52 0.06 1.52 0.06 1.52 0.06 1.52 0.06 1.52 0.09 2.29 0.09 2.29 0.09 2.29 0.09

1003.3 42.000 1066.8 44.250 1124.0

914.40 38.000 965.20 40.250 1022.4

17.48 0.812 20.62 0.812 20.62

33.32 1.438 36.53 1.438 36.53

2.29 0.09 2.29 0.09 2.29

Notes Ring joint gasket dimensions conform to ASME B16.20 (not covered in this summary). Use Class 600 lb in sizes NPS 1/2 to NPS 3 1/2 for Class 400 lb. Use Class 1500 lb in sizes NPS 1/2 to NPS 21/2 for Class 900 lb. Tolerances are as shown in the table below. 1 The height of the raised portion is equal to the depth of groove dimension L, but is not subject to the tolerances for L. 2 Ring joints with lapped flanges in Classes 300 lb and 600 lb use R30 instead of R31.

Ring joint facing tolerances (ASME/ANSI B16.5 and B16.47) Dimension

Range

L(depth) M(width) K (pitch diameter)

All All All R<0.06in R>0.06in >NPS26 < NPS 10 > NPS 12

R (radius at bottom) D (overall length) for flanges with ring joint

Aalco Tel. 01932 250100

Fax: 01932 250101

Tolerance in mm +0.016,-0 +0.406,-0 ±0.008 ± 0.203 ±0.005 ± 0.127 +0.03,-0 +0.762,-0 0.03 ± ±0.762 maximumquoted ±0.06 ±1.52 ±0.12 ± 3.05


8-9

Flanges

Weld Neck Flanges - ANSI B16.5

Class 150 lb Pipe

FlangeData

l e a z i in S Flange m e Outside Overall Inside o p Diameter Diameter Diameter Thickness min N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

in mm

in mm

in mm

Diameter at Weld Bevel in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000 127.0 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.000 228.6 10.00 254.0 11.00 279.4 13.50 342.9 16.00 406.4 19.00 482.6 21.00 533.4 23.50 596.9 25.00 635.0 27.50 698.5 32.00 812.8

0.620 15.70 0.820 20.80 1.050 26.70 1.380 35.10 1.610 40.90 2.070 52.60 2.470 62.70 3.070 78.00 3.550 90.20 4.030 102.4 5.050 128.3 6.070 154.2 7.980 202.7 10.02 254.5 12.00 304.8

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.10 0.880 22.40 0.940 23.90 0.940 23.90 0.940 23.90 0.940 23.90 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.380 35.10 1.440 36.60 1.560 39.60 1.690 42.90 1.880 47.80

1.880 47.80 2.060 52.30 2.190 55.60 2.250 57.15 2.440 62.00 2.500 63.50 2.750 69.85 2.750 69.85 2.810 71.40 3.000 76.20 3.500 88.90 3.500 88.90 4.000 101.6 4.000 101.6 4.500 114.3 5.000 127.0 5.000 127.0 5.500 139.7 5.690 144.5 6.000 152.4

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.000 101.6 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

y b d r ie fi e s c h e a p c s ru e P b o T

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.190 30.20 1.500 38.10 1.940 49.30 2.310 58.70 2.560 65.00 3.060 77.70 3.560 90.40 4.250 108.0 4.810 122.2 5.310 134.9 6.440 163.6 7.560 192.0 9.690 246.1 12.00 304.8 14.38 365.3 15.75 400.1 18.00 475.2 19.88 505.0 22.00 558.8 26.12 663.4

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Weight

in mm

Diameter of Circle of Holes in mm

0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.250 31.75 1.380 35.10

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880 98.60 4.750 120.7 5.500 139.7 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.500 241.3 11.75 298.5 14.25 362.0 17.00 431.8 18.75 476.3 21.25 539.8 22.75 577.9 25.00 635.0 29.50 749.3

Bolt Hole Diameter

kg/ piece 0.48 0.71 1.01 1.33 1.72 2.58 4.11 4.92 6.08 6.84 8.56 10.6 17.6 24.0 36.5 48.4 60.6 68.3 84.5 115

Notes Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-10

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 300 lb Pipe

FlangeData

l e a z i in S Flange m e Outside Overall Inside o p Diameter Diameter Diameter Thickness min N iP 1 3

/2

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

0.620 15.70 0.820 20.80 1.050 26.70 1.380 35.10 1.610 40.90 2.070 52.60 2.470 62.70 3.070 78.00 3.550 90.20 4.030 102.4 5.050 128.3 6.070 154.2 7.980 202.7 10.02 254.5 12.00 304.8

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810 20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.380 35.00 1.440 36.50 1.620 41.10 1.880 47.70 2.000 50.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50 2.750 69.85

2.060 52.30 2.250 57.15 2.440 62.00 2.560 65.00 2.690 68.30 2.750 69.85 3.000 76.20 3.120 79.25 3.190 81.00 3.380 85.80 3.880 98.50 3.880 98.50 4.380 111.2 4.620 117.3 5.120 130.0 5.620 142.7 5.750 146.0 6.250 158.7 6.380 162.0 6.620 168.1

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.000 101.6 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

y b d r ie fi e s c h e a p c s ru e b P o T

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.00 3.940 100.0 4.620 117.3 5.250 133.3 5.750 146.0 7.000 177.8 8.120 206.2 10.25 260.3 12.62 320.5 14.75 374.6 16.75 425.4 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.00 0.750 19.00 0.750 19.00 0.880 22.30 0.750 19.00 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.250 31.70 1.380 35.00 1.380 35.00 1.380 35.00 1.620 41.10

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.50 4.500 114.3 5.000 127.0 5.880 149.3 6.620 168.1 7.250 184.1 7.880 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.3 22.50 571.5 24.75 628.6 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/ piece 0.75 1.26 1.52 2.03 2.89 3.40 5.17 6.93 8.67 11.2 15.1 19.1 29.9 42.7 61.8 85.8 106 131 158 230

Notes Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-11

Flanges


Class 400 lb Pipe

FlangeData


/2

3

/4

1 1 1/ 4 1

1 /2 2 2 1/ 2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

in mm

in mm

in mm


y b d e fii c e p s e b o T

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20

2.060 52.30 2.250 57.15 2.440 62.00 2.620 66.55 2.750 69.85 2.880 73.15 3.120 79.25 3.250 82.60 3.380 85.90 3.500 88.90 4.000 101.6 4.060 103.1 4.620 117.3 4.880 124.0 5.380 136.7 5.880 149.4 6.000 152.4 6.500 165.1 6.620 168.1 6.880 174.8

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.000 101.6 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

r e s a h c r u P

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 5.750 146.1 7.000 177.8 8.120 206.2 10.25 260.4 12.62 320.5 14.75 374.7 16.75 425.5 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.000 25.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.500 38.10 1.620 41.10 1.880 47.80

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.2 9.250 235.0 10.62 269.7 13.00 330.2 15.25 387.4 17.75 450.9 20.25 514.4 22.50 571.5 24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

Weight

kg/ piece 0.87 1.45 1.76 2.49 3.49 4.36 6.43 8.53 10.7 12.8 16.9 22.0 34.7 48.5 69.6 95.5 118 145 173 249

Notes Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-12

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 600 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.75 273.1 13.00 330.2 14.00 355.6 16.50 419.1 20.00 508.0 22.00 558.8 23.75 603.3 27.00 685.8 29.25 743.0 32.00 812.8 37.00 939.8

in mm

in mm

in mm



0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 1.880 47.80 2.190 55.60 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20 3.250 82.60 3.500 88.90 4.000 101.6

2.060 52.30 2.250 57.15 2.440 62.00 2.620 66.55 2.750 69.85 2.880 73.15 3.120 79.25 3.250 82.60 3.380 85.90 4.000 101.6 4.500 114.3 4.620 117.3 5.250 133.4 6.000 152.4 6.120 155.4 6.500 165.1 7.000 177.8 7.250 184.2 7.500 190.5 8.000 203.2

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.000 101.6 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

r e s a h c r u P

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 6.000 152.4 7.440 189.0 8.750 222.3 10.75 273.1 13.50 342.9 15.75 400.1 17.00 431.8 19.50 495.3 21.50 546.1 24.00 609.6 28.25 717.6

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.750 44.50 1.750 44.50 2.000 50.80

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 8.500 215.9 10.50 266.7 11.50 292.1 13.75 349.3 17.00 431.8 19.25 489.0 20.75 527.1 23.75 603.3 25.75 654.1 28.50 723.9 33.00 838.2

Bolt Hole Diameter

kg/ piece 0.87 1.45 1.76 2.49 3.49 4.36 6.43 8.53 10.7 17.4 29.2 34.9 53.9 86.5 103 122 170 204 254 358


Aalco Tel. 01932 250100

Fax: 01932 250101


8-13

Flanges


Class 900 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3 9.500 241.3 11.50 292.1 13.75 349.2 15.00 381.0 18.50 469.9 21.50 546.1 24.00 609.6 25.25 641.3 27.75 704.8 31.00 787.4 33.75 857.2 41.00 1041.4

in mm

in mm

in mm



0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.190 55.60 2.500 63.50 2.750 69.85 3.120 79.25 3.380 85.80 3.500 88.90 4.000 101.6 4.250 107.9 5.500 139.7

2.380 60.45 2.750 69.85 2.880 73.15 2.880 73.15 3.250 82.50 4.000 101.6 4.120 104.6 4.000 101.6 4.500 114.3 5.000 127.0 5.500 139.7 6.380 162.0 7.250 184.1 7.880 200.1 8.380 212.8 8.500 215.9 9.000 228.6 9.750 247.6 11.50 292.1

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

r e s a h c r u P

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.750 44.00 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9 5.000 127.0 6.250 158.7 7.500 190.5 9.250 234.9 11.75 298.4 14.50 368.3 16.50 419.1 17.75 450.8 20.00 508.0 22.25 565.1 24.50 622.3 29.50 749.3

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40 1.000 25.40 1.250 31.70 1.380 35.00 1.250 31.70 1.500 38.10 1.500 38.10 1.500 38.10 1.620 41.10 1.750 44.40 2.000 50.80 2.120 53.80 2.620 66.55

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5 7.500 190.5 9.250 234.9 11.00 279.4 12.50 317.5 15.50 393.7 18.50 469.9 21.00 533.4 22.00 558.8 24.25 615.9 27.00 685.8 29.50 749.3 35.50 901.7

Bolt Hole Diameter

kg/ piece 1.87 2.56 3.74 4.33 5.94 10.8 15.0 13.7 22.5 37.4 47.7 81.3 119 157 180 217 292 362 665


8-14

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 1500 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3 10.50 266.7 12.25 311.1 14.75 374.6 15.50 393.7 19.00 482.6 23.00 584.2 26.50 673.1 29.50 749.3 32.50 825.5 36.00 914.4 38.75 984.2 46.00 1168.4

in mm

in mm

in mm



0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10 1.880 47.70 2.120 53.80 2.880 73.15 3.250 82.50 3.620 91.90 4.250 107.9 4.880 123.9 5.250 133.3 5.750 146.0 6.380 162.0 7.000 177.8 8.000 203.2

2.380 60.45 2.750 69.85 2.880 73.15 2.880 73.15 3.250 82.50 4.000 101.6 4.120 104.6 4.620 177.3 4.880 123.9 6.120 155.4 6.750 171.4 8.380 212.8 10.00 254.0 11.12 282.4 11.75 298.4 12.25 311.1 12.88 327.1 14.00 355.6 16.00 406.4

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

r e s a h c r u P

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.750 44.00 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9 5.250 133.3 6.380 162.0 7.750 196.8 9.000 228.6 11.50 292.1 14.50 368.3 17.75 450.8 19.50 495.3 21.75 552.4 23.50 596.9 25.25 641.3 30.00 762.0

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.1

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 16 16 16 16

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40 1.250 31.70 1.380 35.00 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.120 53.80 2.380 60.45 2.620 66.55 2.880 73.15 3.120 79.25 3.620 91.90

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5 8.000 203.2 9.500 241.3 11.50 292.1 12.50 317.5 15.50 393.7 19.00 482.6 22.50 571.5 25.00 635.0 27.75 704.8 30.50 774.7 32.75 831.8 39.00 990.6

Bolt Hole Diameter

kg/ piece 1.87 2.56 3.74 4.33 5.94 10.8 15.0 19.9 29.9 55.4 68.4 117 194 288 380 485 644 775 1232


Aalco Tel. 01932 250100

Fax: 01932 250101


8-15

Flanges


Class 2500 lb Pipe

FlangeData


/2

3

/4

1 1 1/ 4 1

1 /2 2 2 1/ 2 3 4 5 6 8 10 12

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8

5.250 133.4 5.500 139.7 6.250 158.8 7.250 184.2 8.000 203.2 9.250 235.0 10.50 266.7 12.00 304.8 14.00 355.6 16.50 419.1 19.00 482.6 21.75 552.5 26.50 673.1 30.00 762.0

in mm

in mm

in mm


y b d ie fi c e p s e b o T

1.190 30.20 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 2.000 50.80 2.250 57.15 2.620 66.55 3.000 76.20 3.620 91.90 4.250 108.0 5.000 127.0 6.500 165.1 7.250 184.2

2.880 73.15 3.120 79.25 3.500 88.90 3.750 95.30 4.380 111.3 5.000 127.0 5.620 142.7 6.620 168.1 7.500 190.5 9.000 228.6 10.75 273.1 12.50 317.5 16.50 419.1 18.25 463.6

0.840 21.30 1.050 26.70 1.320 33.50 1.660 42.20 1.900 48.30 2.380 60.45 2.880 73.15 3.500 88.90 4.500 114.3 5.560 141.2 6.630 168.4 8.630 219.2 10.75 273.0 12.75 323.8

r e s a h c r u P

Raised Face

HubData

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.690 42.90 2.000 50.80 2.250 57.15 2.880 73.15 3.120 79.25 3.750 95.30 4.500 114.3 5.250 133.4 6.500 165.1 8.000 203.2 9.250 235.0 12.00 304.8 14.75 374.7 17.38 441.5

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.8 15.00 381.0

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 12

Weight

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.120 28.40 1.250 31.75 1.380 35.10 1.620 41.10 1.880 47.80 2.120 53.80 2.120 53.80 2.620 66.55 2.880 73.15

3.500 88.90 3.750 95.30 4.250 108.0 5.120 130.0 5.750 146.1 6.750 171.5 7.750 196.9 9.000 228.6 10.75 273.1 12.75 323.9 14.50 368.3 17.25 438.2 21.25 539.8 24.38 619.3

Bolt Hole Diameter

kg/ piece 3.12 3.70 5.24 7.74 10.9 16.2 23.7 36.2 55.3 92.5 143 215 406 572

Notes Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. --

8-16

For tolerances ring joint facings see 8-4. page 8-6. For weld end bevel see page 8-5. For see page

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

Slip On Flanges - ANSI B16.5

Class 150 lb Pipe l e a z i in S me o p N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm

Flange Thickness min in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000 127.0 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.000 228.6 10.00 254.0 11.00 279.4 13.50 342.9 16.00 406.4 19.00 482.6 21.00 533.4 23.50 596.9 25.00 635.0 27.50 698.5 32.00 812.8

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70 4.070 103.4 4.570 116.1 5.660 143.8 6.720 170.7 8.720 221.5 10.88 276.3 12.88 327.1 14.14 359.1 16.16 410.5 18.18 461.8 20.20 513.1 24.25 616.0

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.10 0.880 22.40 0.940 23.90 0.940 23.90 0.940 23.90 0.940 23.90 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.380 35.10 1.440 36.60 1.560 39.60 1.690 42.90 1.880 47.80

Hub

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.310 33.30 1.440 36.60 1.560 39.60 1.750 44.50 1.940 49.30 2.190 55.60 2.250 57.15 2.500 63.50 2.690 68.30 2.880 73.15 3.250 82.60

1.190 30.20 1.500 38.10 1.940 49.30 2.310 58.70 2.560 65.00 3.060 77.70 3.560 90.40 4.250 108.0 4.810 122.2 5.310 134.9 6.440 163.6 7.560 192.0 9.690 246.1 12.00 304.8 14.38 365.3 15.75 400.1 18.00 457.2 19.88 505.0 22.00 558.8 26.12 663.4

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Weight

in mm


0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.250 31.75 1.380 35.10

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880 98.60 4.750 120.7 5.500 139.7 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.500 241.3 11.75 298.5 14.25 362.0 17.00 431.8 18.75 476.3 21.25 539.8 22.75 577.9 25.00 635.0 29.50 749.3

Bolt Hole Diameter

kg/ piece 0.39 0.56 0.78 1.03 1.32 2.06 3.28 3.85 4.81 5.30 6.07 7.45 12.1 16.5 26.2 34.6 44.8 48.9 61.9 86.9

Notes Weights are based on manufacturer’s data and are approximate. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). For ring joint facings see page 8-6. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-17

Flanges


Class 300 lb Pipe

FlangeData

l e a z i in S m e Outside o p Diameter N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

Hub

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70 4.070 103.4 4.570 116.1 5.660 143.8 6.720 170.7 8.720 221.5 10.88 276.3 12.88 327.1 14.14 359.1 16.16 410.5 18.18 461.8 20.20 513.1 24.25 616.0

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810 20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.380 35.00 1.440 36.50 1.620 41.10 1.880 47.70 2.000 50.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50 2.750 69.85

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

0.880 22.40 1.000 25.40 1.060 26.90 1.060 26.90 1.190 30.20 1.310 33.20 1.500 38.10 1.690 42.90 1.750 44.40 1.880 47.70 2.000 50.80 2.060 52.30 2.440 61.90 2.620 66.55 2.880 73.15 3.000 76.20 3.250 82.50 3.500 88.90 3.750 95.20 4.190 106.4

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.00 3.940 100.0 4.620 117.3 5.250 133.3 5.750 146.0 7.000 177.8 8.120 206.2 10.25 260.3 12.62 320.5 14.75 374.6 16.75 425.4 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.70 1.250 31.70 1.380 35.00 1.380 35.00 1.380 35.00 1.620 41.00

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.4 22.50 571.5 24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/ piece 0.64 1.12 1.36 1.68 2.49 2.87 4.32 5.85 7.34 9.61 12.3 15.6 24.2 34.1 49.8 69.9 88.1 109 134 201


8-18

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 400 lb Pipe l e a z i in S m e Outside o p Diameter N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70 4.070 103.4 4.570 116.1 5.660 143.8 6.720 170.7 8.720 221.5 10.88 276.3 12.88 327.1 14.14 359.1 16.16 410.5 18.18 461.8 20.20 513.1 24.25 616.0

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.380 60.05 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20

Hub

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250 31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.000 50.80 2.120 53.80 2.250 57.15 2.690 68.30 2.880 73.15 3.120 79.25 3.310 84.10 3.690 93.70 3.880 98.60 4.000 101.6 4.500 114.3

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.00 3.940 100.0 4.620 117.3 5.250 133.3 5.750 146.0 7.000 177.8 8.120 206.2 10.25 260.3 12.62 320.5 14.75 374.6 16.75 425.4 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.000 25.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.500 38.10 1.620 41.10 1.880 47.80

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.4 22.50 571.5 24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/ piece 0.74 1.27 1.52 2.03 2.96 3.62 5.28 7.00 8.84 11.1 13.9 18.3 28.6 39.2 57.0 79.1 101 123 146 219

Notes Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-6. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-19

Flanges


Class 600 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

Hub

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.75 273.1 13.00 330.2 14.00 355.6 16.50 419.1 20.00 508.0 22.00 558.8 23.75 603.3 27.00 685.8 29.25 743.0 32.00 812.8 37.00 939.8

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70 4.070 103.4 4.570 116.1 5.660 143.8 6.720 170.7 8.720 221.5 10.88 276.3 12.88 327.1 14.14 359.1 16.16 410.5 18.18 461.8 20.20 513.1 24.25 616.0

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 1.880 47.80 2.190 55.60 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20 3.250 82.60 3.500 88.90 4.000 101.6

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250 31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.120 53.80 2.380 60.45 2.620 66.55 3.000 76.20 3.380 85.90 3.620 91.90 3.690 93.70 4.190 106.4 4.620 117.3 5.000 127.0 5.500 139.7

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 6.000 152.4 7.440 189.0 8.750 222.3 10.75 273.1 13.50 342.9 15.75 400.1 17.00 431.8 19.50 495.3 21.50 546.1 24.00 609.6 28.25 717.6

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.750 44.50 1.750 44.50 2.000 50.80

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 8.500 215.9 10.50 266.7 11.50 292.1 13.75 349.3 17.00 431.8 19.25 489.0 20.75 527.1 23.75 603.3 25.75 654.1 28.50 723.9 33.00 838.2

Bolt Hole Diameter

kg/ piece 0.74 1.27 1.52 2.03 2.96 3.62 5.28 7.00 8.84 14.5 24.4 28.7 43.4 70.3 84.2 98.7 142 173 220 312


8-20

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 900 lb Pipe l e a z i in S me o p N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3 9.500 241.3 11.50 292.1 13.75 349.2 15.00 381.0 18.50 469.9 21.50 546.1 24.00 609.6 25.25 641.3 27.75 704.8 31.00 787.4 33.75 857.2 41.00 1041.4

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70 4.570 116.1 5.660 143.8 6.720 170.7 8.720 221.5 10.88 276.3 12.88 327.1 14.14 359.1 16.16 410.5 18.18 461.8 20.20 513.1 24.25 616.0

0.880 22.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.190 55.60 2.500 63.50 2.750 69.85 3.120 79.25 3.380 85.80 3.500 88.90 4.000 101.6 4.250 107.9 5.500 139.7

Hub

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750 44.50 2.250 57.15 2.500 63.50 2.120 53.80 2.750 69.85 3.120 79.25 3.380 85.80 4.000 101.6 4.250 107.9 4.620 117.3 5.120 130.0 5.250 133.3 6.000 152.4 6.250 158.7 8.000 203.2

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9 5.000 127.0 6.250 158.7 7.500 190.5 9.250 234.9 11.75 298.4 14.50 368.3 16.50 419.1 17.75 450.8 20.00 508.0 22.25 565.1 24.50 622.3 29.50 749.3

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

Weight

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40 1.000 25.40 1.250 31.70 1.380 35.00 1.250 31.70 1.500 38.10 1.500 38.10 1.500 38.10 1.620 41.10 1.750 44.40 2.000 50.80 2.120 53.80 2.620 66.55

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5 7.500 190.5 9.250 234.9 11.00 279.4 12.50 317.5 15.50 393.7 18.50 469.9 21.00 533.4 22.00 558.8 24.25 615.9 27.00 685.8 29.50 749.3 35.50 901.7

Bolt Hole Diameter

kg/ piece 1.74 2.34 3.44 3.91 5.36 9.85 13.7 11.6 19.7 31.9 41.1 70.7 101 133 153 185 258 317 606


Aalco Tel. 01932 250100

Fax: 01932 250101


8-21

Flanges


Class 1500 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2

Hub

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70

0.880 22.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10

Raised Face

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

in mm

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750 44.50 2.250 57.15 2.500 63.50

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6

Drilling Data

Number of Holes

4 4 4 4 4 8 8

Weight

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5

Bolt Hole Diameter

kg/ piece 1.74 2.34 3.44 3.91 5.36 9.85 13.7


8-22

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

Blind Flanges - ANSI B16.5

Class 150 lb Pipe l e a z i in S me o p i NP 1

/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

Flange Data

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

127.0 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.000 228.6 10.00 254.0 11.00 279.4 13.50 342.9 16.00 406.4 19.00 482.6 21.00 533.4 23.50 596.9

17.50 0.750 19.10 0.880 22.40 0.940 23.90 0.940 23.90 0.940 23.90 0.940 23.90 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.380 35.10 1.440 36.60

73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9

18.00 457.2 20.00 508.0 24.00 609.6

25.00 635.0 27.50 698.5 32.00 812.8

1.560 39.60 1.690 42.90 1.880 47.80

21.00 533.4 23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Weight

in mm


0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880

15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40

98.60 4.750 120.7 5.500 139.7 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.500 241.3 11.75 298.5 14.25 362.0 17.00 431.8 18.75 476.3 21.25 539.8

1.250 31.75 1.250 31.75 1.380 35.10

22.75 577.9 25.00 635.0 29.50 749.3

Bolt Hole Diameter

kg/piece 0.42 0.61 0.86 1.17 1.53 2.42 3.94 4.93 6.17 7.00 8.63 11.3 19.6 28.8 43.2 58.1 76.0 93.7 122 185


Aalco Tel. 01932 250100

Fax: 01932 250101


8-23

Flanges



/2

3

/4

1 11/4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7

20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.380 35.00 1.440 36.50 1.620 41.10 1.880 47.70 2.000 50.80 2.120 53.80 2.250 57.15

73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9

18.00 457.2 20.00 508.0 24.00 609.6

28.00 711.2 30.50 774.7 36.00 914.4

2.380 60.45 2.500 63.50 2.750 69.85

21.00 533.4 23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.00 0.750 19.00 0.750 19.00 0.880

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.50 4.500

22.3 0.750 19.10 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.250 31.70 1.380 35.00

114.3 5.000 127.0 5.880 1.493 6.620 168.1 7.250 184.1 7.800 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.3 22.50 571.5

1.380 35.00 1.380 35.00 1.620 41.10

24.75 628.6 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/piece 0.64 1.11 1.39 1.79 2.66 3.18 4.85 6.81 8.71 11.5 15.6 20.9 34.3 53.3 78.8 105 137 175 221 339


8-24

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

Flange Data

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7

22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.380 35.00 1.380 35.10 1.500 38.10 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50

73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9

18.00 457.2 20.00 508.0 24.00 609.6

28.00 711.2 30.50 774.7 36.00 914.4

2.620 66.55 2.750 69.85 3.000 76.20

21.00 533.4 23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500

22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.000 25.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10

114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.2 9.250 235.0 10.62 269.7 13.00 330.2 15.25 387.4 17.75 450.9 20.25 514.4 22.50 571.5

1.500 38.10 1.620 41.10 1.880 47.80

24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/piece 0.76 1.28 1.60 2.23 3.25 4.15 6.13 8.44 11.0 13.7 18.5 25.5 42.6 64.5 94.30 124 162 205 254 386


Aalco Tel. 01932 250100

Fax: 01932 250101


8-25

Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.75 273.1 13.00 330.2 14.00 355.6 16.50 419.1 20.00 508.0 22.00 558.8 23.75 603.3 27.00 685.8

22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.380 35.00 1.500 38.10 1.750 44.50 1.880 47.80 2.190 55.60 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20

73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9

18.00 457.2 20.00 508.0 24.00 609.6

29.25 743.0 32.00 812.8 37.00 939.8

3.250 82.60 3.500 88.90 4.000 101.6

21.00 533.4 23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500

22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10

114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 8.500 215.9 10.50 266.7 11.50 292.1 13.75 349.3 17.00 431.8 19.25 489.0 20.75 527.1 23.75 603.3

1.750 44.50 1.750 44.50 2.000 50.80

25.75 654.1 28.50 723.9 33.00 838.2

Bolt Hole Diameter

kg/piece 0.76 1.28 1.60 2.23 3.25 4.15 6.13 8.44 11.0 17.3 29.4 36.1 58.9 97.5 124 151 214 272 349 533


8-26

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

Flange Data

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2

177.8 8.500 215.9 9.620 244.3 9.500 241.3 11.50 292.1 13.75 349.2 15.00 381.0 18.50 469.9 21.50 546.1 24.00 609.6 25.25 641.3 27.75 704.8 31.00 787.4

31.70 1.500 38.10 1.620 41.10 1.500 38.10 1.750 44.50 2.000 50.80 2.190 55.60 2.500 63.50 2.750 69.85 3.120 79.25 3.380 85.80 3.500 88.90 4.000 101.6

73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4

20.00 508.0 24.00 609.6

33.75 857.2 41.00 1041.4

4.250 107.9 5.500 139.7

23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880

28.40 1.000 25.40 1.120 28.40 1.000 25.40 1.250 31.70 1.380 35.00 1.250 31.70 1.500 38.10 1.500 38.10 1.500 38.10 1.620 41.10 1.750 44.40 2.000 50.80

123.9 6.500 165.1 7.500 190.5 7.500 190.5 9.250 234.9 11.00 279.4 12.50 317.0 15.50 393.7 18.50 469.9 21.00 533.4 22.00 558.8 24.25 615.9 27.00 685.8

2.120 53.80 2.620 66.55

29.50 749.3 35.50 901.7

Bolt Hole Diameter

kg/piece 1.77 2.42 3.57 4.15 5.75 10.1 14.0 13.1 26.9 36.5 47.40 82.5 122 173 206 259 367 463 876


Aalco Tel. 01932 250100

Fax: 01932 250101


8-27

Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2

177.8 8.500 215.9 9.620 244.3 10.50 266.7 12.25 311.1 14.75 374.6 15.50 393.7 19.00 482.6 23.00 584.2 26.50 673.1 29.50 749.3 32.50 825.5 36.00 914.4

31.70 1.500 38.10 1.620 41.10 1.880 47.70 2.120 53.80 2.880 73.15 3.250 82.50 3.620 91.90 4.250 107.9 4.880 123.9 5.250 133.3 5.750 146.0 6.380 162.0

73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4

20.00 508.0 24.00 609.6

38.75 984.2 46.00 1168.4

7.000 177.8 8.000 203.2

23.00 584.2 27.25 692.2

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 16 16 16 16

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880

28.40 1.000 25.40 1.120 28.40 1.250 31.70 1.380 35.00 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.120 53.8 2.380 60.45 2.620 66.55 2.880 73.15

123.9 6.500 165.1 7.500 190.5 8.000 203.2 9.500 241.3 11.50 292.1 12.50 317.5 15.50 393.7 19.00 482.6 22.50 571.5 25.00 635.0 27.75 704.8 30.50 774.7

3.120 79.25 3.620 91.90

32.75 831.8 39.00 990.6

Bolt Hole Diameter

kg/piece 1.77 2.42 3.57 4.15 5.75 10.1 14.0 19.1 29.9 58.4 71.8 122 210 316 420 558 760 965 1558


8-28

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12

Flange Data

Drilling Data

Raised Face

Outside Diameter

Overall Diameter

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

5.250 133.4 5.500 139.7 6.250 158.8 7.250 184.2 8.000

1.190 30.20 1.250 31.70 1.380 35.10 1.500 38.10 1.750

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8

203.2 9.250 235.0 10.50 266.7 12.00 304.8 14.00 355.6 16.50 419.1 19.00 482.6 21.75 552.5 26.50 673.1 30.00 762.0

44.50 2.000 50.80 2.250 57.15 2.620 66.55 3.000 76.20 3.620 91.90 4.250 108.0 5.000 127.0 6.500 165.1 7.250 184.2

73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0

Face Diameter in mm

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 12

Weight

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.120 28.40 1.250

3.500 88.90 3.750 95.30 4.250 108.0 5.120 130.0 5.750

31.75 1.120 28.40 1.250 31.75 1.380 35.10 1.620 41.10 1.888 47.88 2.120 53.80 2.120 53.80 2.620 66.55 2.880 73.15

146.1 6.750 171.5 7.750 196.9 9.000 228.6 10.75 273.1 12.75 323.9 14.50 368.3 17.25 438.2 21.25 539.8 24.38 619.3

Bolt Hole Diameter

kg/piece 2.99 3.50 4.96 7.35 10.4 15.6 22.6 34.8 53.9 90.8 141 214 411 592

Notes Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-6. -

For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-29

Flanges

Socket Welding Flanges - ANSI B16.5

Class 150 lb Pipe l e a iz in S m e Outside o ip N P Diameter

in mm 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3

Flange

Flange Overall Inside Thickness Diameter Diameter min in in in mm mm mm

Raised Face

Hub

Overall Length

Socket Diameter

in mm

in mm

Depth of Socket in mm

Hub Face Diameter Diameter in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000

0.620 15.70 0.820 20.80 1.050 26.70 1.380 35.10 1.610

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950

0.380 9.600 0.440 11.10 0.500 12.70 0.560 14.20 0.620

1.190 30.20 1.500 38.10 1.940 49.30 2.310 58.70 2.560

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

48.30 2.375 60.30 2.875 73.00 3.500 88.90

127.0 6.000 152.4 7.000 177.8 7.500 190.5

40.90 2.070 52.60 2.470 62.70 3.070 78.00

17.50 0.750 19.10 0.880 22.40 0.940 23.90

22.30 1.000 25.40 1.120 28.40 1.190 30.20

49.50 2.440 62.00 2.940 74.70 3.570 90.70

15.70 0.690 17.50 0.750 19.00 0.810 20.60

65.00 3.060 77.70 3.560 90.40 4.250 108.0

73.15 3.620 91.90 4.120 104.6 5.000 127.0

Drilling Data

Weight

Bolt Diameter Hole of Circle No. Diameter of Holes of Holes in in mm mm

kg/ piece

4 4 4 4 4 4 4 4

0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880

15.70 0.750 19.10 0.750 19.10 0.750 19.10

98.60 4.750 120.7 5.500 139.7 6.000 152.4

0.42 0.59 0.81 1.07 1.36 2.10 3.33 3.90

Class 300 lb Pipe l e a iz in S m e Outside o p i N P Diameter

in mm 1

/2

3

/4

1 11/4 11/2 2 21/2 3

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90

Flange


3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.5

0.620 15.70 0.820 20.80 1.050 26.70 1.380 35.10 1.610 40.90 2.070 52.60 2.470 62.70 3.070 78.00

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810 20.60 0.880 22.30 1.000 25.40 1.120 28.40

Raised Face

Hub

Overall Length

Socket Diameter

in mm

in mm


0.880 22.30 1.000 25.40 1.060 26.90 1.060 26.90 1.190 30.20 1.310 33.20 1.500 38.10 1.690 42.90

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70 3.570 90.70

0.380 9.600 0.440 11.10 0.500 12.70 0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810 20.60


in mm

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.00 3.940 100.0 4.620 117.3

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0

Drilling Data

No. of Holes

4 4 4 4 4 8 8 8

Bolt Diameter Hole of Circle Diameter of Holes in in mm mm

0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.30 0.750 19.10 0.880 22.30 0.880 22.30

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.3 6.620 168.1

Weight

kg/ piece

0.66 1.15 1.40 1.75 2.55 2.93 4.40 5.92

Notes Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-6. For tolerances see page 8-4.

8-30

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

Socket Welding Flanges - ANSI B16.5

Class 600 lb Pipe l e a iz in S m e Outside o ip N P Diameter

in mm 1

/2

3

/4

1 1 1/ 4 1

1 /2 2 2 1/ 2 3

Flange


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120

48.30 2.375 60.30 2.875 73.00 3.500 88.90

155.4 6.500 165.1 7.500 190.5 8.250 209.5

y b d e fii c e p s

r e s a h rc u P e b e h o t T

Raised Face

Hub

Overall Length in mm

Depth Socket of Diameter Socket in in mm mm


in mm

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880

0.880 22.30 1.000 25.40 1.060 26.90 1.120 28.40 1.250

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950

0.380 9.600 0.440 11.10 0.500 12.70 0.560 14.20 0.620

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880

22.30 1.000 25.40 1.120 28.40 1.250 31.75

31.75 1.440 36.60 1.620 41.10 1.810 46.00

49.50 2.440 62.00 2.940 74.70 3.570 90.70

15.70 0.690 17.50 0.750 19.00 0.810 20.60

69.85 3.310 84.00 3.940 100.0 4.620 117.3

73.15 3.620 91.90 4.120 104.6 5.000 127.0

Drilling Data

No. of Holes

4 4 4 4 4 8 8 8


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.60 4.500

22.30 0.750 19.10 0.880 22.30 0.880 22.30

114.3 5.000 127.0 5.880 149.3 6.620 168.1

Weight

kg/ piece

0.76 1.29 1.55 2.06 3.00 3.67 5.35 7.06

Class 1500 lb Pipe l e a iz in S m e Outside o p i N P Diameter

1

/2

3

/4

1 11/4 11/2 2 21/2

Flange

Overall Diameter

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3

Flange Inside Diameter Thickness min in in mm mm

y b r d e e s fii a c h e rc p u s P e b e h o t T

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.500 38.10 1.620 41.10

Raised Face

Hub

Overall Length

Socket Diameter

in mm

in mm


1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750 44.50 2.250 57.15 2.500 63.50

0.880 22.40 1.090 27.70 1.360 34.50 1.700 43.20 1.950 49.50 2.440 62.00 2.940 74.70

0.380 9.600 0.440 11.10 0.500 12.70 0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00


in mm

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6

Drilling Data

No. of Holes

4 4 4 4 4 8 8


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5

Weight

kg/ piece

1.80 2.41 3.55 4.02 5.45 10.2 13.9

Notes Class 400 socket weld flanges may be provided in NPS 1/2 to 21/2 using Class 600 dimensions Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-6. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-31

Flanges

Lap Joint Flanges - ANSI B16.5

Class 150 lb Pipe

FlangeData

l e a z i n i S m e Outside o p Diameter i NP 1

/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

127.0 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.000 228.6 10.00 254.0 11.00 279.4 13.50 342.9 16.00 406.4 19.00 482.6 21.00 533.4 23.50 596.9

18.00 457.2 20.00 508.0 24.00 609.6

25.00 635.0 27.50 698.5 32.00 812.8

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.190 30.20 1.500 38.10 1.940 49.30 2.310 58.70 2.560

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.100 104.1 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2

17.50 0.750 19.10 0.880 22.40 0.940 23.90 0.940 23.90 0.940 23.90 0.940 23.90 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.380 35.10 1.440 36.60

22.40 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.310 33.30 1.440 36.60 1.560 39.60 1.750 44.50 1.940 49.30 2.190 55.60 3.120 79.25 3.440 87.40

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

65.00 3.060 77.70 3.560 90.40 4.250 108.0 4.810 122.2 5.310 134.9 6.440 163.6 7.560 192.0 9.690 246.1 12.00 304.8 14.38 365.3 15.75 400.1 18.00 457.2

18.20 462.3 20.25 514.4 24.25 616.0

1.560 39.60 1.690 42.90 1.880 47.80

3.810 96.80 4.060 103.1 4.380 111.3

0.500 12.70 0.500 12.70 0.500 12.70

19.88 505.0 22.00 558.8 26.12 663.4

DrillingData

Number of Holes

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Weight

in mm


0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880

15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40

98.60 4.750 120.7 5.500 139.7 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.500 241.3 11.75 298.5 14.25 362.0 17.00 431.8 18.75 476.3 21.25 539.8

1.250 31.75 1.250 31.75 1.380 35.10

22.75 577.9 25.00 635.0 29.50 749.3

Bolt Hole Diameter

kg/ piece 0.38 0.55 0.76 1.01 1.30 2.03 3.25 3.81 4.76 5.25 6.02 7.40 12.1 16.4 26.1 34.5 44.6 48.7 61.6 86.6

Notes Weights are based on manufacturer’s data and are approximate. For tolerances see page 8-4.

8-32

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7

18.00 457.2 20.00 508.0 24.00 609.6

28.00 711.2 30.50 774.7 36.00 914.4

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810

0.880 22.30 1.000 25.40 1.060 26.90 1.060 26.90 1.190

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.100 104.1 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2

20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.380 35.00 1.440 36.50 1.620 41.10 1.880 47.70 2.000 50.80 2.120 53.80 2.250 57.15

30.20 1.310 33.20 1.500 38.10 1.690 42.90 1.750 44.40 1.880 47.70 2.000 50.80 2.060 52.30 2.440 61.90 3.750 95.20 4.000 101.6 4.380 111.2 4.750 120.6

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

69.85 3.310 84.00 3.940 100.0 4.620 117.3 5.250 133.3 5.750 146.0 7.000 177.8 8.120 206.2 10.25 260.3 12.62 320.5 14.75 374.6 16.75 425.4 19.00 482.6

18.20 462.3 20.25 514.4 24.25 616.0

2.380 60.45 2.500 63.50 2.750 69.8

5.120 130.0 5.500 139.7 6.000 152.4

0.500 12.70 0.500 12.70 0.500 12.70

21.00 533.4 23.12 587.2 27.62 701.5

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.00 0.750 19.0 0.750 19.00 0.880

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.50 4.500

22.30 0.750 19.10 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.250 31.70 1.380 35.00

114.3 5.000 127.0 5.880 149.3 6.620 168.1 7.250 184.1 7.880 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.3 22.50 571.5

1.380 35.00 1.380 35.0 1.620 41.10

24.75 628.6 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/ piece 0.62 1.10 1.33 1.65 2.44 2.83 4.25 5.78 7.27 9.55 12.2 15.5 24.1 34.4 50.4 70.9 89.5 111 137 204


Aalco Tel. 01932 250100

Fax: 01932 250101


8-33

Flanges


Class 400 lb Pipe l e a z i n i S me o p i NP 1

/2

3

/4

1 1

1 /4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7

18.00 457.2 20.00 508.0 24.00 609.6

28.00 711.2 30.50 774.7 36.00 914.4

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.100 104.1 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2

22.40 1.000 25.40 1.120 28.40 1.125 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50

31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.000 50.80 2.120 53.80 2.250 57.15 2.690 68.30 4.000 101.6 4.250 108.0 4.620 117.3 5.000 127.0

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 5.750 146.1 7.000 177.8 8.120 206.2 10.25 260.4 12.62 320.5 14.75 374.7 16.75 425.5 19.00 482.6

18.20 462.3 20.25 514.4 24.25 616.0

2.620 66.55 2.750 69.85 3.000 76.20

5.380 136.7 5.750 146.1 6.250 158.8

0.500 12.70 0.500 12.70 0.500 12.70

21.00 533.4 23.12 587.2 27.62 701.5

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500

22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.000 25.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10

114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.2 9.250 235.0 10.62 269.7 13.00 330.2 15.25 387.4 17.75 450.9 20.25 514.4 22.50 571.5

1.500 38.10 1.620 41.10 1.880 47.80

24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

kg/ piece 0.72 1.25 1.50 2.00 2.92 3.55 5.23 6.95 8.78 10.9 13.7 18.0 28.3 38.8 56.6 78.6 100 122 145 217


8-34

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 600 lb Pipe l e a z i n i S me o p i NP 1

/2

3

/4

1 1

1 /4 1 1/ 2 2 2 1/ 2 3 3 1/ 2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4

155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.75 273.1 13.00 330.2 14.00 355.6 16.50 419.1 20.00 508.0 22.00 558.8 23.75 603.3 27.00 685.8

18.00 457.2 20.00 508.0 24.00 609.6

29.25 743.0 32.00 812.8 37.00 939.8

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.100 104.1 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2

22.40 1.000 25.40 1.120 28.40 1.125 31.75 1.380 35.10 1.500 38.10 1.750 44.50 1.880 47.80 2.190 55.60 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20

31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.120 53.80 2.380 60.45 2.620 66.55 3.000 76.20 4.380 111.3 4.620 117.3 5.000 127.0 5.500 139.7

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 6.000 152.4 7.440 189.0 8.750 222.3 10.75 273.1 13.50 342.9 15.75 400.1 17.00 431.8 19.50 495.3

18.20 462.3 20.25 514.4 24.25 616.0

3.250 82.60 3.500 88.90 4.000 101.6

6.000 152.4 6.500 165.1 7.250 184.2

0.500 12.70 0.500 12.70 0.500 12.70

21.50 546.1 24.00 609.6 28.25 717.6

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

Weight

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500

22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10

114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 8.500 215.9 10.50 266.7 11.50 292.1 13.75 349.3 17.00 431.8 19.25 489.0 20.75 527.1 23.75 603.3

1.750 44.50 1.750 44.50 2.000 50.80

25.75 654.1 28.50 723.9 33.00 838.2

Bolt Hole Diameter

kg/ piece 0.72 1.25 1.50 2.00 2.92 3.55 5.23 6.95 8.78 14.4 24.3 28.5 43.1 70.5 86.1 100 145 177 225 318


Aalco Tel. 01932 250100

Fax: 01932 250101


8-35

Flanges


Class 900 lb Pipe

FlangeData

l e a z i in S m e Outside o p Diameter i NP 1

/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2

177.8 8.500 215.9 9.620 244.3 9.500 241.3 11.50 292.1 13.75 349.2 15.00 381.0 18.50 469.9 21.50 546.1 24.00 609.6 25.25 641.3 27.75 704.8 31.00 787.4

20.00 508.0 24.00 609.6

33.75 857.2 41.00 1041.4

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2 18.20 462.3

31.70 1.500 38.10 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.190 55.60 2.500 63.50 2.750 69.85 3.120 79.25 3.380 85.80 3.500 88.90 4.000 101.6

44.40 2.250 57.15 2.500 63.50 2.120 53.80 2.750 69.85 3.120 79.25 3.380 85.80 4.500 114.3 5.000 127.0 5.620 142.7 6.120 155.4 6.500 165.1 7.500 190.5

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

69.85 4.120 104.6 4.880 123.9 5.000 127.0 6.250 158.7 7.500 190.5 9.250 234.9 11.75 298.4 14.50 368.3 16.50 419.1 17.75 450.8 20.00 508.0 22.25 565.1

20.25 514.4 24.25 616.0

4.250 107.9 50.50 139.7

8.250 209.5 10.50 266.7

0.500 12.70 0.500 12.70

24.50 622.3 29.50 749.3

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880

28.40 1.000 25.40 1.120 28.40 1.000 25.40 1.250 31.70 1.380 35.00 1.250 31.70 1.500 38.10 1.500 38.10 1.500 38.10 1.620 41.10 1.750 44.40 2.000 50.80

123.9 6.500 165.1 7.500 190.5 7.500 190.5 9.250 234.9 11.00 279.4 12.50 317.5 15.50 393.7 18.50 469.9 21.00 533.4 22.00 558.8 24.25 615.9 27.00 685.8

2.120 53.80 2.620 66.55

29.50 749.3 35.50 901.7

Bolt Hole Diameter

kg/ piece 1.71 2.30 3.40 3.85 5.28 9.78 13.6 11.3 19.2 31.20 40.50 71.5 104 139 161 194 267 334 618


8-36

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges



/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

FlangeData

Outside Diameter

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2

177.8 8.500 215.9 9.620 244.3 10.50 266.7 12.25 311.1 14.75 374.6 15.50 399.7 19.00 482.6 23.00 584.2 26.50 673.1 29.50 749.3 32.50 825.5 36.00 914.4

20.00 508.0 24.00 609.6

38.75 984.2 46.00 1168.4

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2 14.18 360.2 16.19 411.2 18.20 462.3

31.70 1.500 38.10 1.620 41.10 1.880 47.70 2.120 53.80 2.880 73.15 3.250 82.50 3.620 91.90 4.250 107.9 4.880 123.9 5.250 133.3 5.750 146.0 6.380 162.0

44.40 2.250 57.15 2.500 63.50 2.880 73.15 3.560 90.40 4.120 104.6 4.690 119.1 5.620 142.7 7.000 177.8 8.620 218.9 9.500 241.3 10.25 260.3 10.88 276.3

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

69.85 4.120 104.6 4.880 123.9 5.250 133.3 6.380 162.0 7.750 196.8 9.000 228.6 11.50 292.1 14.50 368.3 17.75 450.8 19.50 495.3 21.75 552.4 23.50 596.9

20.25 514.4 24.25 616.0

7.000 177.8 8.000 203.2

11.50 292.1 13.00 330.2

0.500 12.70 0.500 12.70

25.25 641.3 30.00 762.0

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 16 16 16 16

Weight

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880

28.40 1.000 25.40 1.120 28.40 1.250 31.70 1.380 35.00 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.120 53.80 2.380 60.45 2.620 66.55 2.880 73.15

123.9 6.500 165.1 7.500 190.5 8.000 203.2 9.500 241.3 11.50 292.1 12.50 317.5 15.50 393.7 19.00 482.6 22.50 571.5 25.00 635.0 27.75 704.8 30.50 774.7

3.120 79.25 3.620 91.90

32.75 831.8 39.00 990.6

Bolt Hole Diameter

kg/ piece 1.71 2.30 3.40 3.85 5.28 9.78 13.6 17.8 27.5 51.5 62.0 105 179 269 365 459 598 712 1090


Aalco Tel. 01932 250100

Fax: 01932 250101


8-37

Flanges


Class 2500 lb Pipe

FlangeData

l e a z i n i S m e Outside o p Diameter i NP 1

/2

3

/4

1 1

1 /4 11/2 2 21/2 3 4 5 6 8 10 12

Overall Diameter

Inside Diameter

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900

5.255 133.4 5.500 139.7 6.250 158.8 7.250 184.2 8.000

0.900 22.90 1.110 28.20 1.380 35.10 1.720 43.70 1.970

48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8

203.2 9.250 235.0 10.50 266.7 12.00 304.8 14.00 355.6 16.50 419.1 19.00 482.6 21.75 552.5 26.50 673.1 30.00 762.0

50.00 2.460 62.50 2.970 75.40 3.600 91.40 4.600 116.8 5.690 114.5 6.750 171.5 8.750 222.3 10.92 277.4 12.92 328.2

Lap

Hub

Overall Length

Lap Radius

Hub Diameter

in mm

in mm

in mm

1.190 30.20 1.250 31.75 1.380 35.10 1.500 38.10 1.750

1.560 39.60 1.690 42.90 1.880 47.80 2.060 52.30 2.380

0.120 3.000 0.120 3.000 0.120 3.000 0.190 4.800 0.250

1.690 42.90 2.000 50.80 2.250 57.15 2.880 73.15 3.120

44.50 2.000 50.80 2.250 57.15 2.620 66.55 3.000 76.20 3.620 91.90 4.250 108.0 5.000 127.0 6.500 165.1 7.250 184.2

60.45 2.750 69.85 3.120 79.25 3.620 91.90 4.250 108.0 5.120 130.0 6.000 152.4 7.000 177.8 9.000 228.6 10.00 254.0

6.400 0.310 7.900 0.310 7.900 0.380 9.700 0.440 11.20 0.440 11.20 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70

79.25 3.750 95.30 4.500 114.3 5.250 133.4 6.500 165.1 8.000 203.2 9.250 235.0 12.00 304.8 14.75 374.7 17.38 441.5

DrillingData

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 12

Weight

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.120 28.40 1.250

3.500 88.90 3.750 95.30 4.250 108.0 5.120 130.0 5.750

31.75 1.120 28.40 1.250 31.75 1.380 35.10 1.620 41.10 1.880 47.80 2.120 53.80 2.120 53.80 2.620 66.55 2.880 73.15

146.1 6.750 171.5 7.750 196.9 9.000 228.6 10.75 273.1 12.75 323.9 14.50 368.3 17.25 438.2 21.25 539.8 24.38 619.3

Bolt Hole Diameter

kg/ piece 2.92 3.40 4.77 7.08 9.93 14.7 21.3 32.3 52.5 82.6 127 186 352 501


8-38

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

Threaded Flanges - ANSI B16.5

Class 150 lb Pipe l e a z i in S m e Outside o p Diameter N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

FlangeData

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.500 88.90 3.880 98.60 4.250 108.0 4.620 117.3 5.000 127.0 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.000 228.6 10.00 254.0 11.00 279.4 13.50 342.9 16.00 406.4 19.00 482.6 21.00 533.4 23.50 596.9 25.00 635.0 27.50 698.5 32.00 812.8

0.440 11.20 0.500 12.70 0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.10 0.880 22.40 0.940 23.90 0.940 23.90 0.940 23.90 0.940 23.90 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.380 35.10 1.440 36.60 1.560 39.60 1.690 42.90 1.880 47.80

Overall Diameter

Hub

in mm

Threaded length min in mm

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.310 33.30 1.440 36.60 1.560 39.60 1.750 44.50 1.940 49.30 2.190 55.60 2.250 57.15 2.500 63.50 2.690 68.30 2.880 73.15 3.250 82.60

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.75 1.310 33.30 1.440 36.60 1.560 39.60 1.750 44.50 1.940 49.30 2.190 55.60 2.250 57.15 2.500 63.50 2.690 68.30 2.880 73.15 3.250 82.60

Overall Length

Raised Face

Hub Diameter

Face Diameter

in mm

in mm

1.190 30.20 1.500 38.10 1.940 49.30 2.310 58.70 2.560 65.00 3.060 77.70 3.560 90.40 4.250 108.0 4.810 122.2 5.310 134.9 6.440 163.6 7.560 192.0 9.690 246.1 12.00 304.8 14.38 365.3 15.75 400.1 18.00 457.2 19.88 505.0 22.00 558.8 26.12 663.4

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Weight

in mm


0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.250 31.75 1.380 35.10

2.380 60.45 2.750 69.85 3.120 79.25 3.500 88.90 3.880 98.60 4.750 120.7 5.500 139.7 6.000 152.4 7.000 177.8 7.500 190.5 8.500 215.9 9.500 241.3 11.75 298.5 14.25 362.0 17.00 431.8 18.75 476.3 21.25 539.8 22.75 577.9 25.00 635.0 29.50 749.3

Bolt Hole Diameter

kg/ piece 0.39 0.56 0.78 1.03 1.32 2.06 3.28 3.85 4.81 5.30 6.07 7.45 12.1 16.5 26.2 34.6 44.8 48.9 61.9 86.9

Notes The thread conforms to ASME B1.20.1 NTP threads as described in Section 10. (The only exceptions are small male and female plain face threaded flanges which use NPSL r ecount threads.) Class 150 threaded flanges are made without a counterbore. Threads are chamfered to the major diameter (approx.) at an angle of 45° (approx.) at the back of the flange. Weights are based on manufacturer’s data and are approximate. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-39

Flanges


Class 300 lb Pipe

FlangeData

l e a z i in S CounterFlange m e Outside Overall bore Thickness o p Diameter Diameter min min N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

Raised Face

Hub

Overall Length

in mm

in mm

in mm

in mm

in mm

0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.20 4.620 117.3 4.880 123.9 5.250 133.3 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.5 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.40 1.980 50.50 2.500 63.50 3.000 76.20 3.630 92.20 4.130 104.9 4.630 117.6 5.690 144.5 6.750 171.4 8.750 222.2 10.88 276.3 12.94 328.7 14.19 360.4 16.19 411.2 18.19 462.0 20.19 512.8 24.19 614.4

0.560 14.20 0.620 15.70 0.690 17.50 0.750 19.00 0.810 20.60 0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.380 35.00 1.440 36.50 1.620 41.10 1.880 47.70 2.000 50.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50 2.750 69.85

0.880 22.30 1.000 25.40 1.060 26.90 1.060 26.90 1.190 30.20 1.310 33.20 1.500 38.10 1.690 42.90 1.750 44.40 1.880 47.70 2.000 50.80 2.060 52.30 2.440 61.90 2.620 66.55 2.880 73.15 3.000 76.20 3.250 82.50 3.500 88.90 3.750 95.2 4.190 106.4

Threaded Hub length Diameter min in in mm mm

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.30 1.120 28.40 1.250 31.70 1.250 31.70 1.440 36.50 1.440 36.50 1.690 42.90 1.810 45.90 2.000 50.80 2.190 55.60 2.380 60.45 2.500 63.50 2.690 68.30 2.750 69.85 2.880 73.15 3.250 82.50

1.500 38.10 1.880 47.70 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.00 3.940 100.0 4.620 117.3 5.250 133.3 5.750 146.0 7.000 177.8 8.120 206.2 10.25 260.3 12.62 320.5 14.75 374.6 16.75 425.4 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

Face Diameter in mm

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

in mm


0.620 15.70 0.750 19.00 0.750 19.00 0.750 19.00 0.880 22.30 0.750 19.00 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 0.880 22.30 1.000 25.40 1.120 28.40 1.250 31.70 1.250 31.70 1.380 35.00 1.380 35.00 1.380 35.00 1.620 41.10

2.620 66.55 3.250 82.50 3.500 88.90 3.880 98.50 4.500 114.3 5.000 127.0 5.880 149.3 6.620 168.1 7.250 184.1 7.880 200.1 9.250 234.9 10.62 269.7 13.00 330.2 15.25 387.3 17.75 450.8 20.25 514.3 22.50 571.5 24.75 628.6 27.00 685.8 32.00 812.8

Bolt Hole Diameter

Weight

kg/ piece 0.64 1.12 1.36 1.68 2.49 2.87 4.32 5.85 7.34 9.61 12.3 15.6 24.2 34.1 49.8 69.9 88.1 109 134 201

Notes The thread conforms to ASME B1.20.1 NTP threads as described in Section 10. (The only exceptions are small male and female plain face threaded flanges which use NPSL locknut threads.) Class 300 and higher threaded flanges are counter-bored. Threads are chamfered to the counterbore at an angle of 45 ° (approx). Weights are based on manufacturer’s data and are approximate. For tolerances see page 8-4.

8-40

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 400 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

Raised Face

Hub

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.30 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.00 254.0 11.00 279.4 12.50 317.5 15.00 381.0 17.50 444.5 20.50 520.7 23.00 584.2 25.50 647.7 28.00 711.2 30.50 774.7 36.00 914.4

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.50 1.990 50.50 2.500 63.50 3.000 76.20 3.630 92.20 413.0 104.9 4.630 117.6 5.690 144.5 6.750 171.5 8.750 222.3 10.88 276.4 12.94 328.7 14.19 360.4 16.19 411.2 18.19 462.0 20.19 512.8 24.19 614.4

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.380 60.45 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250 31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.000 50.80 2.120 53.80 2.250 57.15 2.690 68.30 2.880 73.15 3.120 79.25 3.310 84.10 3.690 93.70 3.880 98.60 4.000 101.6 4.500 114.3

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.120 28.40 1.250 31.75 1.380 35.10 1.560 39.60 1.440 36.60 1.690 42.90 1.810 46.00 2.000 50.80 2.190 55.60 2.380 60.45 2.500 63.50 2.690 68.30 2.750 69.85 2.880 73.15 3.250 82.60

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 5.750 146.1 7.000 177.8 8.120 206.2 10.25 260.4 12.62 320.5 14.75 374.7 16.75 425.5 19.00 482.6 21.00 533.4 23.12 587.2 27.62 701.5

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.000 25.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.500 38.10 1.620 41.10 1.880 47.80

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 7.880 200.2 9.250 235.0 10.62 269.7 13.00 330.2 15.25 387.4 17.75 450.9 20.25 514.4 22.50 571.5 24.75 628.7 27.00 685.8 32.00 812.8

Bolt Hole Diameter

Weight

kg/ piece 0.74 1.27 1.52 2.03 2.96 3.62 5.28 7.00 8.84 11.1 13.9 18.3 28.6 39.2 57.0 79.1 101 123 146 219


Aalco Tel. 01932 250100

Fax: 01932 250101


8-41

Flanges


Class 600 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2 3 1

3 /2 4 5 6 8 10 12 14 16 18 20 24

Raised Face

Hub

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

3.750 95.20 4.620 117.3 4.880 124.0 5.250 133.4 6.120 155.4 6.500 165.1 7.500 190.5 8.250 209.6 9.000 228.6 10.75 273.1 13.00 330.2 14.00 355.6 16.50 419.1 20.00 508.0 22.00 558.8 23.75 603.3 27.00 685.8 29.25 743.0 32.00 812.8 37.00 939.8

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.50 1.990 50.50 2.500 63.50 3.000 76.20 3.630 92.20 4.130 104.9 4.630 117.6 5.690 144.5 6.750 171.5 8.750 222.3 10.88 276.4 12.94 328.7 14.19 360.4 16.19 411.2 18.19 462.0 20.19 512.8 24.19 614.4

0.560 14.20 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 1.880 47.80 2.190 55.60 2.500 63.50 2.620 66.55 2.750 69.85 3.000 76.20 3.250 82.60 3.500 88.90 4.000 101.6

0.880 22.40 1.000 25.40 1.060 26.90 1.120 28.40 1.250 31.75 1.440 36.60 1.620 41.10 1.810 46.00 1.940 49.30 2.120 53.80 2.380 60.45 2.620 66.55 3.000 76.20 3.380 85.90 3.620 91.90 3.690 93.70 4.190 106.4 4.620 117.3 5.000 127.0 5.500 139.7

0.620 15.70 0.620 15.70 0.690 17.50 0.810 20.60 0.880 22.40 1.120 28.40 1.250 31.75 1.380 35.10 1.560 39.60 1.620 41.10 1.880 47.80 2.000 50.80 2.250 57.15 2.560 65.00 2.750 69.85 2.880 73.15 3.060 77.70 3.120 79.25 3.250 82.60 3.620 91.90

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.880 47.80 2.120 53.80 2.500 63.50 2.750 69.85 3.310 84.10 3.940 100.1 4.620 117.3 5.250 133.4 6.000 152.4 7.440 189.0 8.750 222.3 10.75 273.1 13.50 342.9 15.75 400.1 17.00 431.8 19.50 495.3 21.50 546.1 24.00 609.6 28.25 717.6

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 5.500 139.7 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.8 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

in mm


0.620 15.70 0.750 19.10 0.750 19.10 0.750 19.10 0.880 22.40 0.750 19.10 0.880 22.40 0.880 22.40 1.000 25.40 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.75 1.380 35.10 1.380 35.10 1.500 38.10 1.620 41.10 1.750 44.50 1.750 44.50 2.000 50.80

2.620 66.55 3.250 82.60 3.500 88.90 3.880 98.60 4.500 114.3 5.000 127.0 5.880 149.4 6.620 168.1 7.250 184.2 8.500 215.9 10.50 266.7 11.50 292.1 13.75 349.3 17.00 431.8 19.25 489.0 20.75 527.1 23.75 603.3 25.75 654.1 28.50 723.9 33.00 838.2

Bolt Hole Diameter

Weight

kg/ piece 0.74 1.27 1.52 2.03 2.96 3.62 5.28 7.00 8.84 14.5 24.4 28.7 43.4 70.3 84.2 98.7 142 173 220 312


8-42

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 900 lb Pipe

FlangeData

l e a z i in S Flange m e Outside Diameter Counterbore Thickness o p Diameter Overall min min N iP 1

/2

3

/4

1 11/4 1

1 /2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24

Raised Face

Hub

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00 3.500 88.90 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10.75 273.0 12.75 323.8 14.00 355.6 16.00 406.4 18.00 457.2 20.00 508.0 24.00 609.6

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3 9.500 241.3 11.50 292.1 13.75 349.2 15.00 381.0 18.50 469.9 21.50 546.1 24.00 609.6 25.25 641.3 27.75 704.8 31.00 787.4 33.75 857.2 41.00 1041.4

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.40 1.990 50.50 2.500 63.50 3.000 76.20 3.630 92.20 4.630 117.6 5.690 144.5 6.750 171.4 8.750 222.2 10.88 276.3 12.94 328.7 14.19 360.4 16.19 411.2 18.19 462.0 20.19 512.8 24.19 614.4

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10 1.500 38.10 1.750 44.40 2.000 50.80 2.190 55.60 2.500 63.50 2.750 69.85 3.120 79.40 3.380 85.70 3.500 88.90 4.000 101.6 4.250 107.9 5.500 139.7

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750 44.50 2.250 57.15 2.500 63.50 2.120 53.80 2.750 69.85 3.120 79.25 3.380 85.80 4.000 101.6 4.250 107.9 4.620 117.3 5.120 130.0 5.250 133.3 6.000 152.4 6.250 158.7 8.000 203.2

0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.500 38.10 1.880 47.70 1.620 41.10 1.880 47.80 2.120 53.80 2.250 57.15 2.500 63.50 2.810 71.40 3.000 76.20 3.250 82.50 3.380 85.90 3.500 88.90 3.620 91.90 4.000 101.6

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9 5.000 127.0 6.250 158.7 7.500 190.5 9.250 234.9 11.75 298.4 14.50 368.3 16.50 419.1 17.75 450.8 20.00 508.0 22.25 565.1 24.50 622.3 29.50 749.3

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6 5.000 127.0 6.190 157.2 7.310 185.7 8.500 215.9 10.62 269.7 12.75 323.9 15.00 381.0 16.25 412.7 18.50 469.9 21.00 533.4 23.00 584.2 27.25 692.2

Drilling Data

Number of Holes

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40 1.000 25.40 1.250 31.70 1.380 35.00 1.250 31.70 1.500 38.10 1.500 38.10 1.500 38.10 1.620 41.10 1.750 44.40 2.000 50.80 2.120 53.80 2.620 66.55

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5 7.500 190.5 9.250 234.9 11.00 279.4 12.50 317.5 15.50 393.7 18.50 469.9 21.00 533.4 22.00 558.8 24.25 618.9 27.00 685.8 29.50 749.3 35.50 901.7

Bolt Hole Diameter

Weight

kg/ piece 1.74 2.34 3.44 3.91 5.36 9.85 13.7 11.6 19.7 31.9 41.1 70.7 101 133 153 185 258 317 606


Aalco Tel. 01932 250100

Fax: 01932 250101


8-43

Flanges


Class 1500 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2

Raised Face

Hub

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00

4.750 120.6 5.120 130.0 5.880 149.3 6.250 158.7 7.000 177.8 8.500 215.9 9.620 244.3

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.40 1.990 50.50 2.500 63.50 3.000 76.20

0.880 22.30 1.000 25.40 1.120 28.40 1.120 28.40 1.250 31.70 1.500 38.10 1.620 41.10

1.250 31.70 1.380 35.00 1.620 41.10 1.620 41.10 1.750 44.50 2.250 57.15 2.500 63.50

0.880 22.30 1.000 25.40 1.120 28.40 1.190 30.20 1.250 31.70 1.500 38.10 1.880 47.70

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.500 38.10 1.750 44.40 2.060 52.30 2.500 63.50 2.750 69.85 4.120 104.6 4.880 123.9

1.380 35.00 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6

Drilling Data

Number of Holes

4 4 4 4 4 8 8

in mm


0.880 22.30 0.880 22.30 1.000 25.40 1.000 25.40 1.120 28.40 1.000 25.40 1.120 28.40

3.250 82.50 3.500 88.90 4.000 101.6 4.380 111.2 4.880 123.9 6.500 165.1 7.500 190.5

Bolt Hole Diameter

Weight

kg/ piece 1.74 2.34 3.44 3.91 5.36 9.85 13.7


8-44

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


Class 2500 lb Pipe

FlangeData


/2

3

/4

1 11/4 1

1 /2 2 21/2

Raised Face

Hub

in mm

in mm

in mm

in mm

in mm


0.840 21.30 1.050 26.70 1.315 33.40 1.660 42.20 1.900 48.30 2.375 60.30 2.875 73.00

5.250 133.4 5.500 139.7 6.250 158.8 7.250 1.842 8.000 203.2 9.250 235.0 10.50 266.7

0.930 23.60 1.140 29.00 1.410 35.80 1.750 44.50 1.990 50.50 2.500 63.50 3.000 76.20

1.190 30.20 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 2.000 50.80 2.250 57.15

1.560 39.60 1.690 42.90 1.880 47.80 2.060 52.30 2.380 60.45 2.750 69.85 3.120 79.25

1.120 28.40 1.250 31.75 1.380 35.10 1.500 38.10 1.750 44.50 2.000 50.80 2.250 57.15

Overall Length

Hub Diameter

Face Diameter

in mm

in mm

1.690 42.90 2.000 50.80 2.250 57.15 2.880 73.15 3.120 79.25 3.750 95.30 4.500 114.3

1.380 35.10 1.690 42.90 2.000 50.80 2.500 63.50 2.880 73.15 3.620 91.90 4.120 104.6

Drilling Data

Number of Holes

4 4 4 4 4 8 8

in mm


0.880 22.40 0.880 22.40 1.000 25.40 1.120 28.40 1.250 31.75 1.120 28.40 1.250 31.75

3.500 88.90 3.750 95.30 4.250 108.0 5.120 130.0 5.750 146.1 6.750 171.5 7.750 196.9

Bolt Hole Diameter

Weight

kg/ piece 2.95 3.44 4.82 7.14 10.0 14.8 21.5


Aalco Tel. 01932 250100

Fax: 01932 250101


8-45

Flanges

ASME B16.47 Series A (MSS SP-44) Flanges

%OLQG

:HOG 1HFN

Class 150 lb Pipe

FlangeData

l e a iz n i S m e Overall o ip Diameter NP

22 26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData

WNF Flange Thickness min

Blind Flange Thickness min

Overall Length WNF

Diameter at Weld Bevel

Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

29.50 749.30 34.25 869.95

1.81 45.97 2.69 68.33

1.81 45.97 2.69 68.33

5.88 149.35 4.75 120.65

22.00 558.80 26.00 660.40

24.00 609.60 26.62 676.15

25.25 641.35 29.50 749.30

36.50 927.10 38.75 984.25 41.75 1060.5 43.75 1111.3 46.00 1168.4 48.75 1238.3 50.75 1289.1 53.00 1346.2 55.25 1403.4 57.25 1454.2 59.50 1511.3

2.81 71.37 2.94 74.68 3.19 81.03 3.25 82.55 3.56 90.42 3.44 87.38 3.56 90.42 3.81 96.77 4.00 101.60 4.06 103.12 4.25 107.95

2.81 71.37 2.94 74.68 3.19 81.03 3.25 82.55 3.56 90.42 3.44 87.38 3.56 90.42 3.81 96.77 4.00 101.60 4.06 103.12 4.25 107.95

4.94 125.48 5.38 136.65 5.69 144.53 5.88 149.35 6.19 157.23 6.19 157.23 6.44 163.58 6.75 171.45 7.00 177.80 7.31 185.67 7.56 192.02

28.00 711.20 30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40 38.00 965.20 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.00 1168.4 48.00 1219.2

28.62 726.95 30.75 781.05 32.75 831.85 34.75 882.65 36.75 933.45 39.00 990.60 41.00 1041.4 43.00 1092.2 45.00 1143.0 47.12 1196.9 49.12 1247.7

31.50 800.10 33.75 857.25 36.00 914.40 38.00 965.20 40.25 1022.4 42.25 1073.2 44.25 1124.0 47.00 1193.8 49.00 1244.6 51.00 1295.4 53.50 1358.9

Drilling Data

Number of Holes

20 24 28 28 28 32 32 32 36 36 40 40 44

Radius

Bolt Hole Diameter

Diameter of Circle of Holes

Fillet

in mm

in mm

in mm

1.38 35.05 1.38 35.05

27.25 692.15 31.75 806.45

0.38 9.65 0.38 9.65

1.38 35.05 1.38 35.05 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15 1.62 41.15

34.00 863.60 36.00 914.40 38.50 977.90 40.50 1028.7 42.75 1085.9 45.25 1149.4 47.25 1200.2 49.50 1257.3 51.75 1314.5 53.75 1365.3 56.00 1422.4

0.44 11.18 0.44 11.18 0.44 11.18 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70

Notes ASME B16.47 Series A flanges (> NPS 26) are MMS SP-44 flanges. MSS SP-44 also covers NPS 12 to NPS 24 flanges which are equivalent to ASME B16.5. MSS SP-44 is the only source for the NPS 22 flange dimensions above. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-46

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


%OLQG

:HOG 1HFN

Class 300 lb Pipe

FlangeData


22 26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

33.00 838.20 38.25 971.55

2.62 66.55 3.12 79.25

2.62 66.55 3.31 84.07

6.50 165.10 7.25 184.15

22.00 558.80 26.00 660.40

25.25 641.35 28.38 720.85

25.25 641.35 29.50 749.30

40.75 1035.1 43.00 1092.2 45.25 1149.4 47.50 120.50 50.00 1270.0 46.00 1168.4 48.75 1238.3 50.75 1289.1 53.25 1352.6 55.75 1416.1 57.75 1466.9

3.38 85.85 3.62 91.95 3.88 98.55 4.00 101.60 4.12 104.65 4.25 107.95 4.50 114.30 4.69 119.13 4.88 123.95 5.06 128.52 5.25 133.35

3.56 90.42 3.75 95.25 3.94 100.08 4.12 104.65 4.38 111.25 4.25 107.95 4.50 114.30 4.69 119.13 4.88 123.95 5.06 128.52 5.25 133.35

7.75 196.85 8.25 209.55 8.75 222.25 9.12 231.65 9.50 241.30 7.12 180.85 7.62 193.55 7.88 200.15 8.12 206.25 8.50 215.90 8.81 223.77

28.00 711.20 30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40 38.00 965.20 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.00 1168.4 48.00 1219.2

30.50 774.70 32.56 827.02 34.69 881.13 36.88 936.75 39.00 990.60 39.12 993.65 41.25 1047.8 43.25 1098.6 45.25 1149.4 47.38 1203.5 49.38 1254.3

31.50 800.10 33.75 857.25 36.00 914.40 38.00 965.20 40.25 1022.4 40.50 1028.7 42.75 1085.9 44.75 1136.7 47.00 1193.8 49.00 1244.0 51.25 1301.8

Drilling Data

Number of Holes

24 28 28 28 28 28 32 32 32 32 32 28 32

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

1.62 41.15 1.75 44.45

29.25 742.95 34.50 876.30

0.38 9.65 0.38 9.65

1.75 44.45 1.88 47.75 2.00 50.80 2.00 50.80 2.12 53.85 1.62 41.15 1.75 44.45 1.75 44.45 1.88 47.75 2.00 50.80 2.00 50.80

37.00 939.80 39.25 996.95 41.50 1054.1 43.50 1104.9 46.00 1168.4 43.00 1092.2 45.50 1155.7 47.50 1206.6 49.75 1263.7 52.00 1320.8 54.00 1371.6

0.44 11.18 0.44 11.18 0.44 11.18 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70

Notes ASME B16.47 Series A flanges (> NPS 26) are MMS SP-44 flanges. MSS SP-44 also covers NPS 12 to NPS 24 flanges which are equivalent to ASME B16.5. MSS SP-44 is the only source for the NPS 22 flange dimensions above. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-47

Flanges


%OLQG

:HOG 1HFN

Class 400 lb Pipe

FlangeData


22 26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

33.00 838.20 38.25 971.55

2.88 73.15 3.50 88.90

2.88 73.15 3.88 98.55

6.75 171.45 7.62 193.55

22.00 558.80 26.00 660.40

25.25 641.35 28.62 726.95

25.25 641.35 29.50 749.30

40.75 1035.1 43.00 1092.2 45.25 1149.4 47.50 1206.5 50.00 1270.0 47.50 1206.5 50.00 1270.0 52.00 1320.8 54.50 1384.3 56.75 1441.5 59.50 1511.3

3.75 95.25 4.00 101.60 4.25 107.95 4.38 111.25 4.50 114.30 4.88 123.95 5.12 130.05 5.25 133.35 5.50 139.70 5.75 146.05 6.00 152.40

4.12 104.65 4.38 111.25 4.56 115.82 4.81 122.17 5.06 128.52 4.88 123.95 5.12 130.05 5.25 133.35 5.50 139.70 5.75 146.05 6.00 152.40

8.12 206.25 8.62 218.95 9.12 231.65 9.50 241.30 9.88 250.95 8.12 206.25 8.50 215.90 8.81 223.77 9.18 233.17 9.62 244.35 10.12 257.05

28.00 711.20 30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40 48.00 1219.2 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.00 1168.4 48.00 1219.2

30.81 782.57 32.94 836.68 35.00 889.00 37.19 944.63 39.38 1000.3 39.50 1003.3 41.50 1054.1 43.62 1107.9 45.62 1158.7 47.75 1212.9 49.88 1267.0

31.50 800.10 33.75 857.25 36.00 914.40 38.00 965.20 40.25 1022.4 40.75 1035.1 43.00 1092.2 45.00 1143.0 47.25 1200.2 49.50 1257.3 51.50 1308.1

Drilling Data

Number of Holes

24 28 28 28 28 28 32 32 32 32 32 36 28

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

1.75 44.45 1.88 47.75

29.25 742.95 34.50 876.30

0.44 11.18 0.44 11.18

2.00 50.80 2.12 53.85 2.12 53.85 2.12 53.85 2.12 53.85 1.88 47.75 2.00 50.80 2.00 50.80 2.12 53.85 2.12 53.85 2.38 60.45

37.00 939.80 39.25 996.95 41.50 1054.1 43.50 1104.9 46.00 1168.4 44.00 1117.6 46.25 1174.8 48.25 1225.6 50.50 1282.7 52.75 1339.9 55.25 1403.4

0.50 12.70 0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22

Notes ASME B16.47 Series A flanges (> NPS 26) are MMS SP-44 flanges. MSS SP-44 also covers NPS 12 to NPS 24 flanges which are equivalent to ASME B16.5. MSS SP-44 is the only source for the NPS 22 flange dimensions above. Class 400 Series A dimensions at NPS 38 and larger also apply to Class 400 Series B flanges. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C + raised face, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-48

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


%OLQG

:HOG 1HFN

Class 600 lb Pipe

FlangeData


22 26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

34.25 869.95 40.00 1016.0

3.75 95.25 4.25 107.95

3.75 95.25 4.94 125.48

7.75 196.85 8.75 222.25

22.00 558.80 26.00 660.40

26.25 666.75 29.44 747.78

25.25 641.35 29.50 749.30

42.25 1073.2 44.50 1130.3 47.00 1193.8 49.00 1244.6 51.75 1314.5 50.00 1270.0 52.00 1320.8 55.25 1403.4 57.25 1454.2 59.50 1511.3 62.75 1593.9

4.38 111.25 4.50 114.30 4.62 117.35 4.75 120.65 4.88 123.95 6.00 152.40 6.25 158.75 6.62 168.15 6.81 172.97 7.06 179.32 7.44 188.98

5.19 131.83 5.50 139.70 5.81 147.57 6.06 153.92 6.38 162.05 6.12 155.45 6.38 162.05 6.75 171.45 7.00 177.80 7.31 185.67 7.69 195.33

9.25 234.95 9.75 247.65 10.25 260.35 10.62 269.75 11.12 282.45 10.00 254.00 10.38 263.65 11.00 279.40 11.38 289.05 11.81 299.97 12.44 315.98

28.00 711.20 30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40 38.00 965.20 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.00 1168.4 48.00 1219.2

31.62 803.15 33.94 862.08 36.12 917.45 38.31 973.07 40.62 1031.75 40.25 1022.35 42.25 1073.2 44.38 1127.3 46.50 1181.1 48.62 1235.0 50.75 1289.1

31.50 800.10 33.75 857.25 36.00 914.40 38.00 965.20 40.25 1022.35 41.50 1054.10 43.75 1111.3 46.00 1168.4 48.25 1225.6 50.25 1276.4 52.50 1333.5

Drilling Data

Number of Holes

24 28 28 28 28 28 28 28 32 28 32 32 32

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

1.88 47.75 2.00 50.80

30.62 777.75 36.00 914.40

0.44 11.18 0.50 12.70

2.12 53.85 2.12 53.85 2.38 60.45 2.38 60.45 2.62 66.55 2.38 60.45 2.38 60.45 2.62 66.55 2.62 66.55 2.62 66.55 2.88 73.15

38.00 965.20 40.25 1022.4 42.50 1079.5 44.50 1130.3 47.00 1193.0 45.75 1162.1 47.75 1212.9 50.50 1282.7 52.50 1333.5 54.75 1390.7 57.50 1460.5

0.50 12.70 0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22 0.56 14.22


Aalco Tel. 01932 250100

Fax: 01932 250101


8-49

Flanges


%OLQG

:HOG 1HFN

Class 900 lb Pipe

FlangeData


26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

42.75 1085.9 46.00 1168.4

5.50 139.70 5.62 142.75

6.31 160.27 6.75 171.45

11.25 285.75 11.75 298.45

26.00 660.40 28.00 711.20

30.50 774.70 32.75 831.85

29.50 749.30 31.50 800.10

48.50 1231.9 51.75 1314.5 55.00 1397.0 57.50 1460.5 57.50 1460.5 59.50 1511.3 61.50 1562.1 64.88 1648.0 68.25 1733.6 70.25 1784.4

5.88 149.35 6.25 158.75 6.50 165.10 6.75 171.45 7.50 190.50 7.75 196.85 8.12 206.25 8.44 214.38 8.88 225.55 9.19 233.43

7.18 182.37 7.62 193.55 8.06 204.72 8.44 214.38 8.50 215.90 8.81 223.77 9.12 231.65 9.56 242.82 10.06 255.52 10.38 263.65

12.25 311.15 13.00 330.20 13.75 349.25 14.25 361.95 13.88 352.55 14.31 363.47 14.62 371.35 15.38 390.65 16.18 410.97 16.50 419.10

30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40 38.00 965.20 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.00 1168.4 48.00 1219.2

35.00 889.00 37.25 946.15 39.62 1006.4 41.88 1063.8 42.25 1073.2 44.38 1127.3 46.31 1176.3 48.62 1235.0 50.88 1292.4 52.88 1343.2

33.75 857.25 36.00 914.40 38.00 965.20 40.25 1022.4 43.25 1098.6 45.75 1162.1 47.75 1212.9 50.00 1270.0 52.50 1333.5 54.50 1384.3

Drilling Data

Number of Holes

20 20 20 20 20 20 20 24 24 24 24 24

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

2.88 73.15 3.12 79.25

37.50 952.50 40.25 1022.4

0.44 11.18 0.50 12.70

3.12 79.25 3.38 85.85 3.62 91.95 3.62 91.95 3.62 91.95 3.62 91.95 3.62 91.95 3.88 98.55 4.12 104.65 4.12 104.65

42.75 1085.9 45.50 1155.7 48.25 1225.6 50.75 1289.1 50.75 1289.1 52.75 1339.9 54.75 1390.7 57.62 1463.6 60.50 1536.7 62.50 1587.5

0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22 0.75 19.05 0.81 20.57 0.81 20.57 0.88 22.35 0.88 22.35 0.94 23.88


8-50

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

ASME B16.47 Series B (API 605) Flanges

%OLQG

:HOG 1HFN

Class 75 lb Pipe

FlangeData

l e a z i in S m e Overall o p Diameter N iP

26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

30.00 762.00 32.00 812.80

1.31 33.27 1.31 33.27

1.31 33.27 1.31 33.27

2.31 58.67 2.44 61.98

26.06 661.92 28.06 712.72

26.62 676.15 28.62 726.95

27.75 704.85 29.75 755.65

34.00 863.60 36.00 914.40 38.00 965.20 40.69 1033.5 42.69 1084.3 44.69 1135.1 46.69 1185.9 49.25 1251.0 51.25 1301.8 53.25 1352.6

1.31 33.27 1.38 35.05 1.38 35.05 1.44 36.58 1.50 38.10 1.50 38.10 1.56 39.62 1.69 42.93 1.75 44.45 1.81 45.97

1.31 33.27 1.44 36.58 1.50 38.10 1.67 42.42 1.75 44.45 1.75 44.45 1.88 47.75 1.94 49.28 2.00 50.80 2.12 53.85

2.56 65.02 2.75 69.85 2.88 73.15 3.38 85.85 3.50 88.90 3.62 91.95 3.75 95.25 4.12 104.65 4.25 107.95 4.38 111.25

30.06 763.52 32.06 814.32 34.06 865.12 36.06 915.92 38.06 966.72 40.06 1017.5 42.06 1068.3 44.06 1119.1 46.06 1169.9 48.06 1220.7

30.62 777.75 32.62 828.55 34.62 879.35 36.81 934.97 38.81 985.77 40.81 1036.57 42.81 1087.37 44.88 1139.95 46.88 1190.75 48.88 1241.55

31.75 806.45 33.75 857.25 35.75 908.05 38.00 965.20 40.00 1016.0 42.0 01066.8 44.00 1117.6 46.25 1174.8 48.25 1225.6 50.25 1276.4

Drilling Data

Number of Holes

36 40 44 48 52 40 40 44 48 36 40 44

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

0.75 19.05 0.75 19.05

28.50 723.90 30.50 774.70

0.31 7.87 0.31 7.87

0.75 19.05 0.75 19.05 0.75 19.05 0.88 22.35 0.88 22.35 0.88 22.35 0.88 22.35 1.00 25.40 1.00 25.40 1.00 25.40

32.50 825.50 34.50 876.30 36.50 927.10 39.06 992.12 41.06 1042.9 43.06 1093.7 45.06 1144.5 47.38 1203.5 49.38 1254.3 51.38 1305.1

0.31 7.87 0.31 7.87 0.31 7.87 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65

Notes ASME B16.47 Series B flanges are API 605 flanges. API 605 has been cancelled. Class 400 Series A dimensions at NPS 38 and larger also apply to Class 400 Series B flanges. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-51

Flanges


%OLQG

:HOG 1HFN

Class 150 lb Pipe

FlangeData

l e a z i in S m e Overall o p Diameter N iP

26 28 30 32 34 36 38 40 42 44 46 48

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

in mm

30.94 785.88 32.94 836.68

1.62 41.15 1.75 44.45

1.75 44.45 1.88 47.75

3.50 88.90 3.75 95.25

26.06 661.92 28.06 712.72

26.94 684.28 28.94 735.08

28.00 711.20 30.00 762.00

34.94 887.48 37.06 941.32 39.56 1004.8 41.62 1057.1 44.25 1124.0 46.25 1174.8 48.25 1225.6 50.25 1276.4 52.81 1341.4 54.81 1392.2

1.75 44.45 1.81 45.97 1.94 49.28 2.06 52.32 2.12 53.85 2.19 55.63 2.31 58.67 2.38 60.45 2.44 61.98 2.56 65.02

2.00 50.80 2.12 53.85 2.25 57.15 2.31 58.67 2.50 63.50 2.62 66.55 2.69 68.33 2.81 71.37 2.94 74.68 3.06 77.72

3.94 100.08 4.25 107.95 4.34 110.24 4.62 117.35 4.88 123.95 5.06 128.52 5.25 133.35 5.38 136.65 5.69 144.53 5.88 149.35

30.06 763.52 32.06 814.32 34.06 865.12 36.06 915.92 38.12 968.25 40.12 1019.0 42.12 1069.8 44.12 1120.6 46.12 1171.4 48.12 1222.2

31.00 787.40 33.06 839.72 35.12 892.05 37.19 944.63 39.25 996.95 41.31 1049.3 43.38 1101.9 45.38 1152.7 47.44 1205.0 49.50 1257.3

32.00 812.80 34.00 863.60 36.25 920.75 38.25 971.55 40.25 1022.4 42.50 1079.5 44.50 1130.3 46.50 1181.1 48.62 1234.9 50.75 1289.1

Drilling Data

Number of Holes

36 40 44 48 40 44 40 44 48 52 40 44

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

0.88 22.35 0.88 22.35

29.31 744.47 31.31 795.27

0.38 9.65 0.38 9.65

0.88 22.35 0.88 22.35 1.00 25.40 1.00 25.40 1.12 28.45 1.12 28.45 1.12 28.45 1.12 28.45 1.25 31.75 1.25 31.75

33.31 846.07 35.44 900.18 37.69 957.33 39.75 1009.7 42.12 1069.8 44.12 1120.6 46.12 1171.4 48.12 1222.2 50.56 1284.2 52.56 1335.0

0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.38 9.65 0.44 11.18 0.44 11.18 0.44 11.18 0.44 11.18

Notes ASME B16.47 Series B flanges are API 605 flanges. API 605 has been cancelled. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-52

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges


%OLQG

:HOG 1HFN

Class 300 lb Pipe

FlangeData

l e a iz in S m e Overall o p Diameter N iP in mm 34.12 26 866.65 36.25 28 920.75

30 32 34 36 38 40 42 44 46 48

39.00 990.60 41.50 1054.1 43.62 1107.9 46.12 1171.4 48.12 1222.2 50.12 1273.0 52.50 1333.5 54.50 1384.3 57.50 1460.5 59.50 1511.3

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm 3.50 88.90 3.50 88.90

in mm 3.50 88.90 3.50 88.90

in mm 5.69 144.53 5.88 149.35

in mm 26.19 665.23 28.19 716.03

in mm 27.62 701.55 29.75 755.65

in mm 29.00 736.60 31.00 787.40

3.69 93.73 4.06 103.12 4.06 103.12 4.06 103.12 4.38 111.25 4.56 115.82 4.69 119.13 5.00 127.00 5.06 128.52 5.06 128.52

3.69 93.73 4.06 103.12 4.06 103.12 4.06 103.12 4.38 111.25 4.56 115.82 4.69 119.13 5.00 127.00 5.12 130.05 5.31 134.87

6.22 157.99 6.62 168.15 6.81 172.97 7.12 180.85 7.56 192.02 7.81 198.37 8.06 204.72 8.44 214.38 8.75 222.25 8.81 223.77

30.25 768.35 32.25 819.15 34.25 869.95 36.25 920.75 38.25 971.55 40.25 1022.4 42.31 1074.7 44.31 1125.5 46.31 1176.3 48.31 1227.1

32.00 812.80 34.00 863.60 36.12 917.45 38.00 965.20 40.00 1016.0 42.00 1066.8 44.00 1117.6 46.19 1173.2 48.38 1228.9 50.31 1277.9

33.25 844.55 35.50 901.70 37.50 952.50 39.75 1009.7 41.75 1060.5 43.88 1114.6 46.00 1168.4 48.00 1219.2 50.00 1270.0 52.25 1327.2

Drilling Data

Number of Holes

32 36 36 32 36 32 36 40 36 40 36 40

Radius

Bolt Hole Diameter


Fillet

in mm 1.38 35.05 1.38 35.05

in mm 31.62 803.15 33.75 857.25

in mm 0.56 14.22 0.56 14.22

1.50 38.10 1.62 41.15 1.62 41.15 1.75 44.45 1.75 44.45 1.75 44.45 1.88 47.75 1.88 47.75 2.00 50.80 2.00 50.80

36.25 920.75 38.50 977.90 40.62 1031.7 42.88 1089.2 44.88 1140.0 46.88 1190.8 49.00 1244.6 51.00 1295.4 53.75 1365.3 55.75 1416.1

0.56 14.22 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75 0.62 15.75

Notes ASME B16.47 Series B flanges are API 605 flanges. API 605 has been cancelled. Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard). WNF = Weld Neck Flange. The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-53

Flanges


%OLQG

:HOG 1HFN

Class 400 lb, 600 lb and 900 lb Pipe

FlangeData

l e a z i in S m e Overall o p Diameter N iP in mm

Raised Face

HubData



Overall Length WNF


Hub Diameter

Face Diameter

in mm

in mm

in mm

in mm

in mm

in mm

3.50 88.90 3.75 95.25 4.00 101.60 4.25 107.95 4.38 111.25 4.69 119.13

3.50 88.90 3.75 95.25 4.00 101.60 4.25 107.95 4.38 111.25 4.69 119.13

5.88 149.35 6.25 158.90 6.69 169.93 7.06 179.32 7.38 187.45 7.88 200.15

26.00 660.40 28.00 711.20 30.00 762.00 32.0 0812.80 34.00 863.60 36.00 914.40

27.12 688.85 29.12 739.65 31.25 793.75 33.25 844.55 35.38 898.65 37.50 952.50

28.00 711.20 30.00 762.00 32.25 590.55 34.38 873.25 36.50 927.10 38.62 980.95

4.38 111.25 4.56 115.82 4.94 125.48 5.12 130.05 5.56 141.22 5.75 146.05

4.38 111.25 4.56 115.82 5.00 127.00 5.31 134.87 5.68 144.27 5.94 150.88

7.12 180.85 7.50 190.50 8.06 204.72 8.50 215.90 9.19 233.43 9.56 242.82

26.00 660.40 28.00 711.20 30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40

27.50 698.50 29.62 752.35 31.75 806.45 33.88 860.55 36.00 914.40 38.12 968.25

28.62 726.95 30.88 784.35 33.12 841.25 35.25 895.35 37.50 952.50 39.75 1009.7

40.25 1022.4 43.50 1104.9

5.31 134.87 5.81 147.57

6.06 153.92 6.56 166.62

10.19 258.83 10.88 276.35

26.00 660.40 28.00 711.20

29.25 742.95 31.38 797.05

30.00 762.00 32.25 819.15

46.50 1181.1 48.75 1238.3 51.75 1314.5 53.00 1346.2

6.12 155.45 6.31 160.27 6.75 171.45 6.81 172.97

6.93 176.02 7.31 185.67 7.68 195.07 7.94 201.68

11.38 289.05 11.94 303.28 12.56 319.02 12.81 325.37

30.00 762.00 32.00 812.80 34.00 863.60 36.00 914.40

33.50 850.90 35.75 908.05 37.88 962.15 40.00 1016.0

34.50 876.30 36.50 927.10 39.00 990.60 40.50 1028.7

Drilling Data

Number of Holes

Radius

Bolt Hole Diameter


Fillet

in mm

in mm

in mm

1.50 38.10 1.62 41.15 1.62 41.15 1.75 44.45 1.75 44.45 1.88 47.75

30.75 781.05 33.00 838.20 35.25 895.35 37.50 952.50 39.50 1003.3 42.00 1066.8

0.44 11.18 0.50 12.70 0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22

1.75 44.45 1.88 47.75 2.00 50.80 2.12 53.85 2.38 60.45 2.38 60.45

31.75 806.45 34.00 863.60 36.50 927.10 38.75 984.25 41.50 1054.1 43.50 1104.9

0.50 12.70 0.50 12.70 0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22

2.62 66.55 2.88 73.15

35.50 901.70 38.25 971.55

0.44 11.18 0.50 12.70

3.12 79.25 3.12 79.25 3.38 85.85 3.12 79.25

40.75 1035.1 43.00 1092.2 45.50 1155.7 47.25 1200.2

0.50 12.70 0.50 12.70 0.56 14.22 0.56 14.22

Class 400 26 28 30 32 34 36

33.50 850.90 36.00 914.40 38.25 971.55 40.75 1035.1 42.75 1085.9 45.50 1155.7

28 24 28 28 32 28

Class 600 26 28 30 32 34 36

35.00 889.00 37.50 952.50 40.25 1022.4 42.75 1085.9 45.75 1162.1 47.75 1212.9

28 28 28 28 24 28

Class 900 26 28 30 32 34 36

20 20 20 20 20 24

Notes ASME B16.47 Series B flanges are API 605 flanges. API 605 has been cancelled. Refer to ASME B16.47 Series A dimensions for sizes NPS 38 and larger (see pages 8-48 to 8-50). Dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. WNF = Weld Neck Flange. Flat face flanges may be provided at full thickness, C + raised face, or with raised face removed (the latter is nonstandard). The large end of the hub may be straight or tapered. For ring joint facings see page 8-6. For weld end bevel see page 8-5. For tolerances see page 8-4.

8-54

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

BS 3293 : 1960 British Standard BS 3293 : 1960 - Carbon Steel Pipe Flanges (over 24 inches nominal size) for the Petroleum Industry, covers Class 150 lb to 600 lb weld neck and slip on flanges.

Dimensions and Tolerances Tolerances on flange dimensions (BS 3293 : 1960) Tolerance

Dimension

in

Weld Neck and Slip On Flanges (pages 8-56 to 8-59)

G (raised face diameter) C (flange thickness) D (overall length) E (outside diameter at welding end of weld neck hub) B (inside diameter of weld neck flange) B (inside diameter of slip on flange)

Ring Joint Facing on Weld Neck and Slip On Flanges (see below)

L (depth of groove) M (width of groove) K (pitch diameter of groove)

mm

±1/64

±0.40 +4.76, -0 ±3.18 +3.97, -0.79 +3.18, -1.59 +1.59, -0

+3/16, -0 ±1 / 8 +5/32, -1/32 +1/8, -1/16 +1/16, -0 +1/64, -0 ±0.008 ±0.005

+0.40, -0 ±0.20 ±0.13

Ring Joint Facings - BS 3293

Note Values for minimum flange thickness, C, and overall length, D, are detailed in the flange tables. For ring joint tolerances see above. R = 1/16 in (0.40 mm) max, corner radius at bottom of groove.

Ring joint facing dimensions - BS 3293 Class (lb) 150

300

400

600

Nominal Pipe Size (NPS) 26

26

26

28

28

28

30

30

30

32

32

32

34

34

34

36

36

36

Raised Face g n i r e /R b e v m Face o u Pitch o r N Diameter Diameter min G in in mm mm 7 8 31 / 291/2 R93 809.6 749.3 7 33 /8 311/2 R94 860.4 800.1 361/8 333/4 R95 917.6 857.2 3 36 38 /4 R96 914.4 984.2 3 38 40 /4 R97 965.2 1035.0 43 401/4 R98 1092.2 1022.3

Groove

Weight

kg/piece Depth in mm 1/2 12.7 1 /2 12.7 1 /2 12.7 9 /16 14.3 9 /16 14.3 9 /16 14.3

Width in mm 25/32

19.8 /32 19.8 25 /32 19.8 29 /32 23.0 29 /32 23.0 29 /32 23.0 25

Class 300 lb

Class 400 lb

Class 600 lb

WNF Slip on 298 270 360 333 412 376 465 425 536 492 595 548

WNF Slip on 349 304 409 364 465 419 539 482 608 540 689 621

WNF Slip on 446 417 518 482 570 537 697 622 735 670 800 764

Note Weights are based on manufacturer’s data and are approximate.

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8-55

Flanges

Weld Neck and Slip On Flanges - BS 3293

Class 150 lb Pipe

FlangeData

HubData

Raised Face

Drilling Data

l e a z i n i S WNF WNF / Slip on WNF Slip on Flange Diameter Slip on Face m e Overall Inside Overall Overall o ip Diameter Thickness at Weld Hub Diameter Number Diameter Length Length of NP Bevel Diameter Holes in in in in in in in in mm mm mm mm mm mm mm mm 2 5 26 341/4 261/4 33/8 281/2 291/4 26 24 50.8 127.0 85.7 660.4 869.9 666.7 723.9 742.9 1 1 1 1 7 3 1 28 2 4 16 16 16 4 4 36 / 28 / 2 / 5 / 3 / 30 / 31 / 28 28

30 32 34 36 38 40 42 44 46 48

927.1 383/4 984.2 413/4 1060.4 433/4 1111.2 46 1168.4 483/4 1238.2 503/4 1289.0 53 1346.2 551/4 1403.3 571/4 1454.2 591/2 1511.1

717.6 301/4 768.3 321/4 819.1 341/4 869.9 361/4 920.7 381/4 971.5 401/4 1022.3 421/4 1073.2 441/4 1123.9 461/4 1174.7 481/4 1225.5

52.4 21/8 54.0 21/4 57.1 25/16 58.7 23/8 60.3 23/8 60.3 21/2 63.5 25/8 66.7 25/8 66.7 211/16 68.3 23/4 69.9

128.6 51/8 130.2 51/4 133.3 55/16 134.9 53/8 136.5 53/8 136.5 51/2 139.7 55/8 142.9 55/8 142.9 511/16 144.5 53/4 146.1

87.3 31/2 88.9 35/8 92.1 311/16 93.7 33/4 95.2 33/4 95.2 37/8 98.4 4 101.6 4 101.6 1 4 /16 103.2 41/8 104.8

711.2 30 762.0 32 812.8 34 863.6 36 914.4 38 965.2 40 1016.0 42 1066.8 44 1117.6 46 1168.4 48 1219.2

781.0 323/4 831.8 35 889.0 37 939.8 391/4 996.9 413/4 1060.4 433/4 1111.2 46 1168.4 48 1219.2 50 1270.0 521/4 1327.2

793.7 333/4 857.2 353/4 908.0 373/4 958.8 401/4 1022.3 421/4 1073.1 441/4 1123.9 47 1193.8 49 1244.6 51 1295.4 531/2 1358.9

28 28 32 32 32 36 36 40 40 44

Radius

Weight

Bolt Hole Diam.


Fillet

kg/ piece

in mm 13/8 34.9 13/8

in mm 313/4 806.4 34

in mm 1 /4 6.35 1 /4

WNF Slip On 118 107 134

34.9 13/8 34.9 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3 15/8 41.3

863.6 36 914.4 381/2 977.9 401/2 1028.7 423/4 1085.8 451/4 1149.3 471/4 1200.1 491/2 1257.3 513/4 1314.4 533/4 1365.2 56 1422.4

6.35 1 /4 6.35 5 /16 7.94 5 /16 7.94 5 /16 7.94 3 /8 9.53 3 /8 9.53 3 /8 9.53 7 /16 11.11 7 /16 11.11 7 /16 11.11

122 153 138 190 170 212 184 242 211 284 249 311 272 358 313 376 331 399 349 440 381

Notes For weld neck flanges, dimension B is to be specified by the purchaser. It corresponds to the pipe inside diameter. For slip on flanges, the hub may be cylindrical or have a draft of < 7 ° on the outside surface. WNF = Weld Neck Flange. Weights are based on manufacturer’s data and are approximate. For ring joint facings see page 8-55. For tolerances see page 8-55.

8-56

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Flanges


Class 300 lb Pipe

FlangeData

l e a iz n i S WNF / Slip on Flange Slip on m e Overall Inside o ip Diameter Thickness Overall Diameter NP Length

26 28 30 32 34 36

in mm 381/4 971.5 403/4 1035.0 43 1092.2 451/4 1149.3 471/2 1206.5 50 1270.0

in mm 261/4 666.7 281/4 717.6 301/4 768.3 321/4 819.1 341/4 869.9 361/4 920.7

in mm 31/8 79.4 33/8 85.7 35/8 92.1 37/8 98.4 4 101.6 1 4 /8 104.8

Raised Face

HubData

in mm 71/4 184.1 73/4 196.8 81/4 209.5 83/4 222.2 91/8 231.8 91/2 241.3

Drilling Data

Radius

Weight

Bolt Hole Diam.


Fillet

kg/ piece

in mm 13/4 44.4 13/4 44.4 17/8 47.6 2 50.8 2 50.8 1 2 /8 54.0

in mm 341/2 876.3 37 939.8 391/4 996.9 411/2 1054.1 431/2 1104.9 46 1168.4

in WNF mm Slip On 3 279 /8 251 9.53 7 340 /16 313 11.11 7 390 /16 354 11.11 7 435 /16 395 11.11 1 504 /2 460 12.7 1 560 /2 513 12.7

Slip on WNF Hub Diam. Diam. at Weld at Small Bevel End

Hub Face Diameter Diameter Number of Holes

in mm 261/4 666.7 281/4 717.5 301/4 768.3 321/4 819.1 345/16 871.5 365/16 922.3

in mm 283/8 720.7 301/2 774.7 329/16 827.2 3411/16 881.1 367/8 936.6 39 990.6

in mm 271/16 687.4 291/8 739.7 313/16 792.2 331/4 844.6 355/16 896.9 373/8 949.3

in mm 291/2 749.3 311/2 800.1 333/4 857.2 36 914.4 38 965.2 401/4 1022.3

28 28 28 28 28 32


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8-57

Flanges


Class 400 lb Pipe

FlangeData

l e a iz n i S WNF / Slip on Flange Slip on m e Overall Inside o ip Diameter Thickness Overall Diameter NP Length

26 28 30 32 34 36

in mm 381/4 971.5 403/4 1035.0 43 1092.2 451/4 1149.3 471/2 1206.5 50 1270.0

in mm 261/4 666.7 281/4 717.6 301/4 768.3 321/4 819.1 341/4 869.9 361/4 920.8

in mm 31/2 88.9 33/4 95.2 4 101.6 1 4 /4 107.9 43/8 111.1 41/2 114.3

Raised Face

HubData

in mm 75/8 193.7 81/8 206.4 85/8 219.1 91/8 231.8 91/2 241.3 97/8 250.8

WNF Diam. at Weld Bevel

Slip on Hub Hub Face Diam. Diameter Diameter at Small End

in mm 265/16 668.3 285/16 719.1 305/16 769.6 323/8 822.3 343/8 873.1 367/16 925.5

in mm 275/16 693.7 293/8 746.1 311/2 800.1 339/16 852.5 355/8 904.9 373/4 958.8

in mm 285/8 727.1 3013/16 782.6 3215/16 836.6 35 889.0 373/16 944.6 397/8 1012.9

in mm 291/2 749.3 311/2 800.1 333/4 857.2 36 914.4 38 965.2 401/4 1022.3

Drilling Data

Radius

Weight

Bolt Hole Diam.


Fillet

kg/ piece

in mm 17/8 47.6 2 50.8 21/8 54.0 21/8 54.0 21/8 54.0 21/8 54.0

in mm 341/2 876.3 37 939.8 391/4 996.9 411/2 1054.1 431/2 1104.9 46 1168.4

in WNF mm Slip On 7 340 /16 295 11.11 1 399 /2 354 12.7 1 454 /2 408 12.7 1 522 /2 465 12.7 9 590 /16 522 14.29 9 669 /16 601 14.29

Number of Holes

28 28 28 28 28 32


8-58

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Flanges


Class 600 lb Pipe

FlangeData

l e a iz in S WNF / WNF Slip on Flange Slip on Diam. m e Overall Inside o ip Diameter Thickness Overall at Weld Diameter NP Length Bevel

26 28 30 32 34 36

in mm 40 1016.0 421/4 1073.1 441/2 1130.3 47 1193.8 49 1244.6 513/4 1314.4

in mm 261/4 666.7 281/4 717.6 301/4 768.3 321/4 819.1 341/4 869.9 361/4 920.7

in mm 41/4 107.9 43/8 111.1 41/2 114.3 45/8 117.5 43/4 120.6 47/8 123.8

Raised Face

HubData

Slip on Hub Diam. at Small Lend

Hub Face Diameter Diameter

in in in in mm mm mm mm 83/4 267/16 2713/16 297/16 222.2 671.52 706.4 747.7 91/4 281/2 2915/16 315/8 234.9 723.9 760.4 803.3 93/4 301/2 321/16 3315/16 247.6 774.7 814.4 862.0 101/4 321/2 343/16 361/8 260.3 825.5 868.4 917.6 105/8 349/16 365/16 385/16 269.9 877.9 922.3 973.1 111/8 369/16 387/16 405/8 976.3 282.6 928.7 1031.9

in mm 291/2 749.3 311/2 800.1 333/4 857.2 36 914.4 38 965.2 401/4 1022.3

Drilling Data

Radius

Weight

Bolt Hole Diam.


Fillet

kg/ piece

in mm 2 50.8 1 2 /8 54.0 21/8 54.0 23/8 60.3 23/8 60.3 25/8 66.7

in mm 36 914.4 38 965.2 401/4 1022.3 421/2 1079.5 441/2 1130.3 47 1193.8

in mm /16 14.29 5 /8 15.88 11 /16 17.46 11 /16 17.46 3 /4 19.05 3 /4 19.05

WNF Slip On 437 408 508 472 559 526 680 605 717 652 780 744

Number of Holes

28 28 28 28 28 28

9


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8-59

Flanges

BS 4504 Circular Flanges - General British Standard BS 4504 : Section 3.1 : 1989 - Circular Flanges for Pipes, Valves and Fittings (PN Designated), Specification for Steel Flanges. This covers flanges in nominal pressure ranges PN 2.5 to PN 40 and nominal sizes up to DN 4000 (see table below). BS 4504 substantially agrees with ISO 7005-1 : 1992 (E) Part 1 : Steel Flanges. BS 4504 : 1969 is still commonly used. This older standard allows for manufacture from bar, whereas the latest standard specifies that forging or plate are to be used, which can be significantly more expensive. There are minor differences in dimensions between the two versions. The following tables are based on the later version. Summary of flanges covered by BS 4504 : Section 3.1 CodeNo. 101

102

104

Description Plate flange for welding (see page 8-65) Loose plate flange with weld-on plate collar or for lapped pipe end (Weld-on plate collar = Code 1321 Lapped pipe end = Code 1331) Loose plate flange with weld-neck collar (Weldneck collar = Code 1341)

105

Blank flange (see page 8-70)

111

Weld-neck flange (see page 8-66)

112

Hubbed slip-on flange for welding (see page 8-68)

113 121

Hubbed threaded flange (see page 8-69) Integral flange

PNRange PN2.5 PN 6, 10, 16, 25, 40

DNRange DN 10 toDN 2000 DN 10 to DN 600

PN 6, 10, 16, 25, 40

DN 10 to DN 600

PN 6, 10, 16, 25, 40

DN 10 to DN 600

PN 2.5, 6 PN 10, 16 PN 25, 40 PN 2.5, 6, 10, 16 PN25 PN40 PN6 PN 10, 16, 25, 40

DN 10 to DN 2000 DN 10 to DN 1200 DN 10 to DN 600

PN 6, 10, 16, 25, 40 PN 6, 10, 16, 25 PN40

DN 10 to DN 20002 DN 10 toDN1000 DN10toDN600 DN10toDN300 DN 10 to DN 600 DN 10 to DN 150 DN 10 to DN 2000 DN10toDN600

Notes Flanges > DN 2000, are not covered in this summary. Dimensions: Nominal sizes, DN followed by a numerical designation of size (a convenient round number for reference purposes), are used as defined in ISO 6708. Pressure Ratings: Nominal pressures, i.e. PN followed by a numerical designation of size (a convenient round number for reference purposes), are used as defined in ISO 7268. 1 Dimensions for these flanges are not covered in this summary. 2 The DN range for weld neck flanges extends to DN 4000 for PN 2.5, to DN 3600 for PN 6, and to DN 3000 for PN 10.

Designations/Marking Marking. All flanges are marked with BS number, code number, PN, DN, material designation, manufacturers name or trade mark, cast number or melt identification, thread identification, An example follows:

BS 4504/111/B - PN 16 - DN 400 - B4 - XXX - 12345 Cast Number or melt identification Manufacturer’s name or trade mark Material designation Nominal size, DN Nominal Pressure, PN Flange face type (A - H) Flange code number British standard number

8-60

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Flanges

BS 4504 Circular Flanges - General Dimensions and Tolerances Dimension

Range

Eccentricity of machined facing diameters

D

Flange Facings (see page 8-63)

(type B facing height)

b(typeCandEfacingheight) b(typeGfacingheight) b(typeHfacingheight,outer) c(typeDandFfacingheight) d(typeHfacingheight,inner) BandE(facingdiameters) CandD(facingdiameters)

DN100 2mm 3mm 4mm 5mm 6mm All All All All All All All All, turning

Facing types A, B, E and F Surface Finish

All, other than turning FacingtypesC,D, G and H

Flange Drilling Details (see page 8-64)

All

B (diameter of bolt circle) Centre to centre of adjacent bolt holes

A (outside diameter)

All C (flange thickness, machined on both faces)

C (flange thickness, machined on front face)

B (outside diameter of hub at welding end)

Weld Neck Flanges, Code 111 (see page 8-66)

F (hub diameter)

D (length through hub)

Slip on, Code 112 (see page 8-68) and Threaded, Code 113 (see page 8-69) Flanges

E (slip on flange hub diameter) B (threaded flange hub diameter)

B (slip on bore diameter)

Blank Flanges, Code 105 (see page 8-70)

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D (length through hub) B (flange thickness) C (unmachined centre portion)

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Bolt sizes M10 to M24 Bolt sizes M27 to M45 Bolt sizes M10 to M24 Bolt sizes M27 to M45 < DN 150 > DN 150 < DN 500 > DN 500 < DN 1200 > DN 1200 < DN 1800 > DN 1800 < 18 mm thickness > 18 mm < 50 mm thickness > 50 mm thickness < 18 mm thickness > 18 mm < 50 mm thickness > 50 mm thickness DN 125 < DN 1200 >DN 1200 < DN 50 > DN 50 < DN 150 > DN 150 < DN 300 > DN 300 < DN 600 > DN 600 < DN 1200 < DN 80 > DN 80 < DN 250 > DN 250 < DN 50

Tolerance mm 1.0 2.0 +0,-1.0 +0,-2.0 +0,-3.0 +0,-4.0 +0,-5.0 +0.5,-0 +0,-0.5 +0.2,-0 +0,-0.5 +0.5,-0 +0,-0.5 +0.5,-0 Ra = 3.2 µm min 12.5 µm max Ra = 3.2 µm min 6.3 µm max Ra = 0.8 µm min 3.2 µm max ±0.9 ±1.4 ±0.45 ±0.7 ±2.0 ±3.0 ±5.0 ±7.0 ±10.0 ±1.0 ±1.0 ±1.0 +2.0, -1.0 +4.0, -1.5 +7.0, -2.0 +3.0,-0 +4.5, -0 +6.0, -0 +0, -2.0 +0, -4.0 +0, -6.0 +0, -8.0 +0, -10.0 ±1.5 ±2.0 ±3.0 +1.0, -0

> DN 50 < DN 150 +2.0, -0 +4.0, -.0 > DN 150 < DN 300 +8.0, -0 > DN 300 < DN 600 +12.0, -0 > DN 600 < DN 1200 +16.0, -0 > DN 1200 < DN 1800 +20.0, -0 > DN 1800 +0.5, -0 < DN 100 +1.0, .0 > DN 100 < DN 400 +1.5, .0 > DN 400 < DN 600 >DN600 +3.0,-0 Same as Weld Neck D Same as C for all other flanges Maximum specified


8-61

Flanges

BS 4504 Circular Flanges - General Weld Neck Flange - Welding Ends

Welding end for Wall Thickness (t) from 5 mm to 22.2 mm

Welding end for Wall Thickness (t) > 22.2 mm

Flange Facings - BS 4504 BS 4504 flange facing types A to H are defined below. The dimensions vary with pipe size (DN) and pressure rating (PN) as detailed in the following table.

8-62

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Flanges

BS 4504 Circular Flanges - General Flange facing dimensions (BS 4504) Face Dimensions

mm DN

10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000 1200 1400 1600 1800 2000

.5 2 N P

0 1 N P

6 N P

6 1 N P

5 2 N P

0 4 N P mm

mm

35 3 5 4 0 4 0 4 0 40

34

35

24

40 4 0 4 5 4 5 4 5 45

39

40

29

mm 23

mm 2

28

mm

4

2

mm

3

4

mm

mm

-

5

2

3

2

-

mm

5

50

50

58

58

58 58 5 0

51

36

35

2

4

3

2

41°16'

5

60 70

60 70

68 78

68 78

68 68 5 7 78 78 6 5

58 66

43 51

42 50

2 2

4 4

3 3

2 2

41°16' 41°16'

5 5

80

80

88

88

88 88 7 5

76

61

60

3

41°16'

5

90 90 102 102 102 102 87 110 1 10 1 22 1 22 1 22 122 109 128 1 28 1 38 1 38 1 38 138 120 148 148 158 158 162 162 149

88 110

73 95

4

72 94

121 150

106 129

105 128

3

3 4

3

4

3

2 3

2 3

3

4 4.5

3 3.5

mm

41°16' 5 2 41°16' 5 2 41°16' 5 2.5 32°15' 6

178

178

188

188

188 188 175

176

155

154

3

4.5

3.5

2.5

32°15'

6

202 258 312

202 258 312

212 268 320

212 268 320

218 218 203 278 285 259 335 345 312

204 260 313

183 239 292

182 238 291

3 3 3

4.5 4.5 4.5

3.5 3.5 3.5

2.5 2.5 2.5

32°15' 32°15' 32°15'

6 6 6

365 365 370 378 395 410 363 415 4 15 4 30 4 38 4 50 465 421 465 4 65 4 82 4 90 5 05 535 473

364 422 474

343 395 447

342 394 446

4 4 4

4.5 5 5

3.5 4 4

2.5 32°15' 6 3 27°24' 7 3 27°24' 7

520 5 20 5 32 5 50 5 55 560 523 570 5 70 5 85 6 10 6 15 615 575

524 576

497 549

496 548

4 4

5 5

4 4

3 3

670 6 70 6 85 7 25 7 20 735 675

676

649

648

5

5

4

775 880 7 8 75 80 8 9 00 05 7 9 95 00 8 9 20 30 -980 9 80 1005 1000 1030 -

778 883 988

751 856 961

750 855 960

5 5 5

5 5 5

4 4 4

777 882 987

3 3 3

27°24' 27°24'

7 7

27°24'

7

27°24' 7 27°24' 7 27°24' 7

3

1080 1080 1110 1115 1140 1280 1295 1330 1330 1350 1480 1510 1535 1530 1560

-

1092 1292 1492

1094 1294 1494

1062 1060 1262 1260 1462 1460

5 5 5

6 6 6

5 5 5

4 4 4

28°39' 28°39' 28°39'

8 8 8

1690 1710 1760 1750 1780

-

1692

1694

1662

1660

5

6

5

4

28°39'

8

1890 1920 1960 1950 1985 2090 2125 2170 2150 2210

-

1982 2092

1894 2094

1862 2062

1860 2060

5 5

6 6

5 5

4 4

28°39' 28°39'

8 8

Manufacture ❍ Materials. Flange codes 111 112 and 113 are manufactured from a forging or steel casting. Stainless steel forgings conforming to ASTM

A 182, have an additional requirement for grade F304L and F316L that carbon content (by ladle analysis) shall be 0.030% max. Forgings to BS 1503 and comparable ASTM standard grades specified in BS 4504 are as listed in the following table.

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BS and ASTM forging grades in BS 4504 BS 1503 Grade

ASTM A 182 Grade

304S11 304S31 304S51 347S31 347S51 321S31 321S51 316S11 316S31 316S51 310S31

F304L F304 F304H F347 F347H F321 F321H F316L F316 F316H F310


8-63

Flanges

Flange Drilling Details - BS 4504 .

Bolt Holes DN

PN mm

350

400

450 Bolt Holes DN

PN mm

10 15 20 25 32 40 50 65 80 100 125 150

200

250

300

8-64

2.5&6 10,16, 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10 & 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40

75 90 80 95 95 90 105 105 100 115 115 120 140 140 130 150 150 140 165 165 160 185 185 190 200 200 210 220 235 240 250 270 265 285 300 320 340 360 375 375 395 405 425 450 440 445 460 485 515

mm 50 60 55 65 65 65 75 75 75 85 85 90 100 100 100 110 110 110 125 125 130 145 145 150 160 160 170 180 190 200 210 220 225 240 250 280 295 310 320 335 350 355 370 385 395 400 410 430 450

mm 11 14 11 14 14 11 14 14 11 14 14 14 18 18 14 18 18 14 18 18 14 18 18 18 18 18 18 18 22 18 18 26 18 22 26 18 22 26 30 18 22 26 30 33 22 22 26 30 33

No. 4

Bolt size

M10 4 M12 4 M10 4 M12 4 M12 4 M10 4 M12 4 M12 4 M10 4 M12 4 M12 4 M12 4 M16 4 M16 4 M12 4 M16 4 M16 4 M12 4 M16 4 M16 4 M12 4/8 M16 8 M16 4 M16 8 M16 8 M16 4 M16 8 M16 8 M20 8 M16 8 M16 8 M24 8 M16 8 M20 8 M24 8 M16 8/12 M20 12 M24 12 M27 12 M16 12 M20 12 M24 12 M27 12 M30 12 M20 12 M20 12 M24 16 M27 16 M30

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500

600

700

800

900

1000

1200

1400

1600

1800

2000

Fax: 01932 250101

mm

mm

Bolt size

No.

2.5&6 10 16 25 40 2.5&6 10 16

490 505 520 555 580 540 565 580

445 460 470 490 510 495 515 525

22 22 26 33 36 22 26 30

12 16 16 16 16 16 16 16

M20 M20 M24 M30 M33 M20 M24 M27

25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 2.5&6 10 16 25 2.5 & 6 10 16 25 2.5 & 6 10 16 25 2.5 6 10 16 25 2.5 6 10 16 25 2.5 6 10 16 25 2.5 6 10 16 25 2.5 6 10 16 25

620 660 595 615 640 670 685 645 670 715 730 755 755 780 840 845 890 860 895 910 960 975 1015 1025 1085 1075 1115 1125 1185 1175 1230 1255 1320 1375 1405 1455 1485 1530 1575 1630 1675 1685 1755 1790 1830 1915 1930 1975 1990 2045 2115 2130 2185 2190 2265 2325 2345 2425

550 585 550 565 585 600 610 610 620 650 660 670 705 725 770 770 795 810 840 840 875 920 950 950 990 1020 1050 1050 1090 1120 1160 1170 1210 1320 1340 1380 1390 1420 1520 1560 1590 1590 1640 1730 1760 1820 1820 1860 1930 1970 2020 2020 2070 2130 2180 2230 2230 2300

36 39 22 26 30 36 39 22 26 33 36 42 26 30 36 39 48 26 30 36 42 30 33 39 48 30 33 39 48 30 36 42 56 30 33 39 48 56 30 36 42 48 62 30 36 48 56 62 30 39 48 56 70 30 42 48 62 70

16 16 16 20 20 20 20 20 20 20 20 20 20 20 20 20 20 24 24 24 24 24 24 24 24 24 28 28 28 28 28 28 28 32 32 32 32 32 36 36 36 36 36 40 40 40 40 40 44 44 44 44 44 48 48 48 48 48

M33 M36 M20 M24 M27 M33 M36 M20 M24 M30 M33 M39 M24 M27 M33 M36 M45 M24 M27 M33 M39 M27 M30 M36 M45 M27 M30 M36 M45 M27 M33 M39 M52 M27 M30 M36 M45 M52 M27 M33 M39 M45 M56 M27 M33 M45 M52 M56 M27 M36 M45 M52 M64 M27 M39 M45 M56 M64


Flanges

Plate Flanges (Code 101) - BS 4504 .

DN

PN

DN mm

10 15 20 25 32 40 50 65 80 100 125 150

200

250

2.5,6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40

75 90 90 80 95 95 90 105 105 100 115 115 120 140 140 130 150 150 140 165 165 160 185 185 190 200 200 210 220 235 240 250 270

2.5&6 10&16 25&40 2.5&6 10&16 25 40 2.5&6 10 16 25 40

265 285 300 320 340 360 375 375 395 405 425 450

Aalco Tel. 01932 250100

mm 12 14 14 12 14 14 14 16 16 14 16 16 16 18 18 16 18 18 16 20 20 16 20 22 18 20 24 18 22 26 20 22 28 20 24 30 22 24 32 36 24 26 29 35 42

PN

mm 18.0

mm 300

22

27.5

350

34.5

400 43.5

49.5

450

61.5

77.5

500

90.5

600 116.0

141.5

170.5

221.5

276.5

Fax: 01932 250101

700 800 900 1000 1200 1400 1600 1800 2000

mm

2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5 2.5 2.5

440 445 460 485 515 490 505 520 555 580 540 565 580 620 660 595 615 640 670 685 645 670 715 730 755 755 780 840 845 890 860 975 1075

24 26 32 38 48 26 28 35 42 54 28 32 38 46 60 30 36 42 50 66 30 38 46 56 72 32 42 52 68 84 36 38 40

2.5 2.5 2.5 2.5 2.5 2.5

1175 1375 1575 1790 1990 2190

42 44 48 51 54 58

mm 327.5

359.5 359.0 359.5

411.0

462.0

513.5

616.5

d ie fi c e p s e b o T

r e s a h c r u p y b

Notes Dimension B is the flange thickness with or without a raised face. For drilling details see page 8-64. For tolerances see page 8-61. For facing types and dimensions see page 8-62.


8-65

Flanges

Weld Neck Flanges (Code 111) - BS 4504

DN PN

DN PN mm mm mm mm mm mm mm mm

2.5,6 75 10 90 10 16 90 25 90 40 90 2.5,6 80 10 95 15 16 95 25 95

20

25

32

40

50

65

80

8-66

40 9590 2.5,6 10 105 16 105 25 105 40 105 2.5,6 100 10 115 16 115 25 115 40 115 2.5,6 120 10 140 16 140 25 140 40 140 2.5,6 130 10 150 16 150 25 150 40 150 2.5,6 140 10 165 16 165 25 165 40 165 2.5,6 160 10 185 16 185 25 185 40 185 2.5,6 190 10 200 16 200 25 200 40 200

12 28 14 35 17.214 35 16 35 16 35 12 30 14 35 21.314 35 16 38 16 14 38 32 16 38 26.9 16 38 18 40 18 40 14 35 16 38 33.7 16 38 18 40 18 40 14 35 16 40 42.4 16 40 18 42 18 42 14 38 16 42 48.3 16 42 18 45 18 45 14 38 18 45 60.3 18 45 20 48 20 48 14 38 18 4 5 76.1 18 45 22 52 22 52 16 42 20 50 88.9 20 50 24 5 8 24 58

26 28 28 6 28 28

1.8 1.8 1.8 3 1.8 1.8

30 32 326 32

2 2 2 3 2

32

38 2

39 639 40 40

2.3 2.3 2.3 4 2.3 2.3

42 46 646 46 46

2.6

55

2.6

62

250

2.6 2.6 2.6 5 2.6 2.6

74 74 874 74 74 9 88

300

2.9 2.9 2.9 5 2.9 2.9

92 10 92 92

350

2.9 2.9

92 2.9 6 2.9 2.9 102 10 110 110

Aalco Tel. 01932 250100

200

2.6 2.6 5 2.6 2.6

64 764 64 64

12 110

150

2.6 2.6 4 2.6 2.6

56 656 56 56

mm mm mm mm mm mm mm mm 2.5,6 210 16 45 10 220 20 5 2 100 16 220 114.320 52 25 235 24 65 40 235 24 65 2.5,6 240 18 48 10 250 22 5 5 125 16 250 139.722 55 25 270 26 68

400

3.2 3.2 3.2 6

110

450 3.2

3.2

40 270 2.5,6 265 10 285 16 285 25 300 40 300 2.5,6 320 10 340 16 340 25 360 40 375 2.5,6 375 10 395 16 405 25 425 40 450 2.5,6 440 10 445 16 460 25 485 40 515 2.5,6 490 10 505 16 520 25 555 40 580 2.5,6 540 10 565 16 580 25 620 40 660 2.5,6 595 10 615 16 640 25 670 40 685

Fax: 01932 250101

26 1868 48 22 55 168.322 55 28 75 28 75 20 55 24 6 2 219.124 62 30 80 34 88 22 60 26 6 8 273 26 70 32 8 8 38 105 22 62 26 6 8 323.928 78 34 9 2 42 115 22 62 26 6 8 355.630 82 38 100 46 125 22 65 26 7 2 406.432 85 40 110 50 135 24 65 28 7 2 457 34 87 42 110 50 135

10

130 130 130 12 134 134 10 155 158 158 12 162 162 184 184 12 184 190 190 15 236 234 234 16 244 244 15 290 288 16 288 296 18 306 15 342 342 16 342 350 18 362 15 385 390 16 390 398 20 408 15 438 440 16 444 452 20 462 15 492 488 16 490 500 20 500

3.6 3.6 3.6 6 3.6 3.6 4 4 46 4 4

4.5

4.5 4.5 8 4.5 4.5 5.6 5.6 5.6 8 6.3 6.3 6.3 6.3 10 6.3 7.1 7.1 7.1 7.1 10 7.1 8 8 7.1 7.1 10 8 8 8.8 7.1 7.1 10 8 8.8 11 7.1 7.1 12 8 8.8 12.5


Flanges

Weld Neck Flanges (Code 111) - BS 4504

DN PN mm mm mm mm mm mm mm mm 2.5,6 645 10 670 500 16 715 25 730 40 755 2.5,6 755 10 780 16 840 25 845 40 890 2.5 860 6 860 700 10 895 16 910 25 960 2.5 975 6 975 800 10 1015 16 1025 25 1085 2.5 1075 6 1075 900 10 1115 16 1125 25 1185 2.5 1175 6 1175 1000 10 1230 16 1255 25 1320 2.5 1375 1200 6 1405 10 1455 16 1485 2.5 1575 1400 6 1630 10 1675 16 1685 2.5 1790 1600 6 1830 10 1915 16 1930 2.5 1990 1800 6 2045 10 2115 16 2130 2.5 2190 6 2 265 2000 10 2325 16 2345

600

24 68 28 7 5 508 34 90 44 125 52 140

15 16 546

538 540

20 562

7.1 7.1 12 8

558

10 14.2

16 640 7.1 2824 8 070 640 7.1 18 610 36 95 650 12 8.8 46 125 660 11 20 60 150 666 16 24 70 740 -1 16 24 70 740 7.1 711 30 8 0 746 12 8 18 36 100 750 8.8 46 125 20 760 12.5 26 70 842 -1 16 24 70 842 7.1 813 32 9 0 1 8 848 12 8 38 105 20 848 10 50 1 35 2 2 8 64 14.2 26 70 942 -1 16 26 70 942 7.1 914 34 95 948 12 10 20 40 110 948 10 54 145 24 968 16 26 70 1045 -1 16 26 70 1045 7.1 1016 34 95 20 1050 1210 42 1 20 2 2 1056 10 58 1 55 2 4 1070 17.5 26 70 16 1245 16 -1 28 90 20 1248 8 1220 38 1 15 2 5 1256 1211 48 1 30 3 0 1260 12.5 26 70 16 1445 16 -1 32 90 20 1452 8 1420 42 1 20 2 5 1460 1212 52 1 45 3 0 1465 14.2 26 80 1645 16 -1 20 34 90 1655 9 1620 46 1 30 2 5 1666 1214 58 1 60 3 5 1668 16 26 80 1845 16 -1 20 36 100 1855 10 1820 50 1 40 3 0 1866 1515 62 1 70 3 5 1870 17.5 26 80 22 2045 16 -1 38 110 25 2058 11 2020 54 1 50 3 0 2070 1516 66 1 90 4 0 2072 20

Notes For drilling details see page 8-64. For tolerances see page 8-61. For facing types and dimensions see page 8-62. 1 To be specified by the purchaser.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-67

Flanges

Slip On Flanges (Code 112) - BS 4504

DN

PN

DN mm

10 15 20 25 32 40 50 65 80 100

6 75 10&16 9 0 25&40 9 0 6 80 10&16 9 5 25&40 9 5 6 90 10&16 105 25&40 105 6 100 10&16 115 25&40 115 6 120 10&16 140 25&40 140 6 130 10&16 150 25&40 150 6 140 10&16 165 25&40 165 6 160 10&16 185 25&40 185 6 190 10&16 200 25&40 200 6 210 10&16 220 25&40 235 6 240

&16 250 125 10 25&40 270

150

6 265 10&16 285 25&40 300

mm

mm

mm

mm

12

20

25

18.0 14 16

20 22 12

22 14 16

30 30 20

20 22

24 40 24 45 26 45 24 50 24 52 28 52 26 60 26 60 30 60 26 70 26 70 32 70 28 80 28 84 34 84 32 100 32 104 38 104 34 110 34 118 40 118 40 130 40 140 44 1 45 44 160

141.5 22 26

44 48

170.5 22 28

200

30

14 27.5 16 18 14 34.5 16 18 14 43.5 16 18 14 49.5 16 18 14 61.5 18 20 14 77.5 18 22 16 90.5 20 24 16 116.0 20 24 18

18

mm 3

35 35

44 44 75

168 170 185 195 190

PN

mm

3

250 4

4

300 5

5

5

350

400

6

450 6

6

500

6

600

8

-

6 10&16 25 40 6 10 16 25 40 6 10 16 25 40 10 16 25 40 10 16 25 40 10 16 25 40 10 16 25 40 10

320 340 360 375 375 395 405 425 450 440 445 460 485 515 505 520 555 580 565 580 620 660 615 640 670 685 670 715 730 755 780

16 25 40

840 845 890

-

-

-

mm 221.5

276.5

327.5

359.5 359.0 359.5

411.0

462.0

513.5

mm 20 24 30 34 22 26 26 32 38 22 26 28 34 42 26 30 38 46 26 32 40 50 28 34 42 50 28 34 44 52 28

616.5 36 46 60

-

-

-

mm

mm

44 240 44 246 52 256 52 260 44 295 46 298 46 298 60 310 60 312 44 355 46 350 46 350 67 364 67 380 53 400 57 400 72 418 72 424 57 456 63 456 78 472 78 478 63 502 68 502 84 520 84 522 67 559 73 559 90 580 90 576 75 658 83 658 1 00 684 1 00 686

mm 8

10

10

10

10

12

12

12

-

Notes The hubs of slip on (code 112) flanges are parallel or have a draft <7 degrees. For drilling details see page 8-64. For tolerances see page 8-61. For facing types and dimensions see page 8-62.

8-68

Aalco Tel. 01932 250100

Fax: 01932 250101


Flanges

Threaded Flanges (Code 113) - BS 4504 .

DN

PN

DN mm

10 15 20 25 32 40 50 65 80 100

6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 6 16 40

75 90 90 80 95 95 90 105 105 100 115 115 120 140 140 130 150 150 140 165 165 160 185 185 190 200 200 210 220 235

mm 25 30 30 30 35 35 40 45 45 50 52 52 60 60 60 70 70 70 80 84 84 100 104 104 110 118 118 130 140 145

mm 12 14 16 12 14 16 14 16 18 14 16 18 14 16 18 14 16 18 14 18 20 14 18 22 16 20 24 16 20 24

mm 20 20 22 20 20 22 24 24 26 24 24 28 26 26 30 26 26 32 28 28 34 32 32 38 34 34 40 40 40 44

PN

mm

mm 3

125

3

150

4

200

4

250

5

300

5

6 16 40 6 16 40 6 16 40 6 16 40 6 16 40 16 40 16 40 16 40 16 40 16 40 16 16 16 16

350 400

5

6

450 500 600

6

6

700 800 900 1000 -

-

mm

mm

240 160 250 168 270 170 265 185 285 195 300 200 320 240 340 246 375 260 375 295 405 298 450 312 440 355 460 350 515 380 520 400 580 424 580 456 660 478 640 502 685 522 715 559 755 576 840 658 890 686 910 760 1025 8 64 1125 9 68 1255 1 072

-

-

-

-

18 22 26 18 22 28 20 24 34 22 26 38 22 28 42 30 46 32 50 34 50 34 52 36 60 36 38 40 42

mm 44 44 48 44 44 52 44 44 52 44 46 60 44 46 67 57 72 63 78 68 84 73 90 83 100 83 90 94 100

mm 6

8

8

10

10 10 10 12 12 12 12 12 12 12

-

Notes -

Threaded flange (code 113) threads are tapered or parallel. BS 21 or ANSI/ASME B1.20.1 threads may be specified (see Section 10). The hubs of threaded (code 113) flanges are parallel or have a draft <7 degrees. For drilling details see page 8-64. For tolerances see page 8-61. For facing types and dimensions see page 8-62.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-69

Flanges

Blank Flanges (Code 105) - BS 4504 .

DN

PN mm

300

350

400

450 DN

PN mm

10 15 20 25 32 40 50 65 80 100 125 150

200

250

8-70

2.5,6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25&40 2.5&6 10&16 25 40 2.5&6 10 16 25 40

75 90 90 80 95 95 90 105 105 100 115 115 120 140 140 130 150 150 140 165 165 160 185 185 190 200 200 210 220 235 240 250 270 265 285 300 320 340 360 375 375 395 405 425 450

mm 12 14 16 12 14 16 14 16 18 14 16 18 14 16 18 14 16 18 14 18 20 14 18 22 16 20 24 16 20 24 18 22 26 18 22 28 20 24 30 34 22 26 26 32 38

Aalco Tel. 01932 250100

mm -

500

-

600

-

700

-

800 -

55 55 55 70 70 70 90 90 90 115 115 115 140 140 140 190 190 190 190 235 235 235 235 235

900

1000

1200 1400 1600 1800 2000

mm

mm

2.5&6 10 16 25 40 2.5&6 10 16 25

440 445 460 485 515 490 505 520 555

22 26 28 34 42 22 26 30 38

285 285 285 285 285 325 325 325 325

40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5&6 10 16 25 40 2.5

580 540 565 580 620 660 595 615 640 670 685 645 670 715 730 755 755 780 840 845 890 860

46 22 26 32 40 50 24 28 34 42 54 24 28 36 45 56 34 34 44 54 70 36

325 375 375 375 375 375 425 425 425 425 425 475 475 475 475 475 575 575 575 575 575 -

6 10 16 2.5 6 10 16 2.5 6 10 16 2.5 6 10 16 2.5 6 10 16 2.5 6 2.5

860 895 910 975 975 1015 1025 1075 1075 1115 1125 1175 1175 1230 1255 1375 1405 1455 1485 1575 1630 1790

38 38 48 38 42 42 52 40 46 46 58 42 52 52 64 44 60 60 76 48 68 51

6 2.5 6 2.5 6

1830 1990 2045 2190 2265

76 54 84 58 92

-

670 670 -

770 770 860 860 960 960 1160 1160 -

-

-

Notes Dimension B is the range thickness with or without a raised face. Dimension C is the maximum diameter of the centre portion of a blank flange face which need not be machined. For drilling details see page 8-64. For tolerances see page 8-61. For facing types and dimensions see page 8-62.

Fax: 01932 250101


Flanges

BS 10 : 1962 British Standard BS 10 : 1962 - Specification for Flanges and Bolting for Pipes, Valves, and Fittings. This covers plain, boss, integrally cast or forged, and welding neck type flanges, in ten tables. Although BS 10 is obsolescent, it remains in use for the dimensions of light duty, economy stainless steel flanges in applications where corrosion resistance and/or hygiene, rather than high pressures and temperatures, are the primary considerations. The following tables detail the applicable standard dimensions from Tables D, E, F and H of BS 10.

Flange Based on Tables D and BS E of BSE10 : 1962 Common Dimensions BS 10 Table D Dimensions 10 Table Dimensions Flange Size Designation Overall Bolt Diameter Overall Bolt Diameter Flange Flange Number Number (Nominal Diameter Circle of Diameter Circle of Thickness Thickness of of Bore of of Flange Diameter Bolts of Flange Diameter Bolts Bolts Bolts Pipe) in in in in in in in in in 1

/2

3

/4 1

33/4 4

3

/16

25/8

4

1

/2

3

/16

27/8

4

1

/2

33/4 4

41/2

3

/16

31/4

4

1

/2

41/2

1

/4

25/8

4

1

/2

1

/4

27/8

4

1

/2

9

/32

31/4

4

1

/2

/16

37/16

4

1

/2

37/8

4

1

/2

4

5

/8

/32

41/2 5

4

5

/8

/16

53/4

4

5

/8

8

5

/8

/2

61/2 7

8

5

/8

/16

81/4

8

5

/8

91/4

8

3

/4

11/4

43/4

1

/4

37/16

4

1

/2

43/4

5

11/2 2

51/4 6

1

/4

37/8

4

1

/2

11

5

/16

4

5

/8

21/2 3

61/2

5

/16

41/2 5

51/4 6

4

5

/8

61/2

13

71/4 8

7

71/4 8

3

/8

53/4

4

5

/8

3

/8

4

5

/8

3

/8

4

5

/8

5

81/2 10

61/2 7

1

/2

81/4

8

5

6

11

1

/2

91/4

8

7

12

1

/2

101/4

8

131/4

1

/2

9

5

/8

10

141/2 16

5

12

18

13

31/2 4

/32

3

15

/8

/32

/8

81/2 10

9

5

/8

11

11

8

5

/8

12

3

/4

101/4

8

3

/4

111/2

8

5

/8

131/4

3

/4

111/2

8

3

/4

8

5

/8

3

/4

3

/4

123/4 14

12

8

141/2 16

13/16

/8

123/4 14

3

/4

3

/4

16

3

/4

18

7

/8

191/4

3

/4

171/4

12

3

/4

191/4

1

171/4

12

7

/8

14

203/4

7

/8

181/2

12

7

/8

203/4

11/8

181/2

12

7

/8

15

213/4

7

/8

191/2

12

7

/8

213/4

11/4

191/2

12

7

/8

16

7

/8

201/2

12

7

/8

201/2

12

7

/8

12

7

/8

13/8

7

/8

251/4

1

12

7

/8

251/4

13/8

213/4 23

12

18

213/4 23

223/4 24

11/4

17

223/4 24

16

7

/8

19

261/2

1

24

12

7

/8

261/2

11/2

24

16

7

/8

20

11/8

251/4

16

7

/8

251/4

16

11/8

261/2

16

7

/8

273/4 29

11/2

21

273/4 29

15/8

261/2

16

/8 1

22

30

11/8

271/2

16

13/4

271/2

16

1

1

1

3

1

1 /8 11/4

28 /2 293/4

1 /4 17/8

28 /2 293/4

16 16

1 11/8

23 24

31 321/2

1

12

16 16

1 1

30 1

31

321/2

1

/16

7

/8

1

16

12 12

7

Note Bolt hole diameters are as follows: For 1/2 in and 5/8 in bolts, the bolt hole shall be1/16 in larger than the bolt diameter. For 3/4 in bolts and larger, the bolt hole shall be not more than 1/8 in larger than the bolt diameter.

Aalco Tel. 01932 250100

Fax: 01932 250101


8-71

Flanges

BS 10 : 1962 Flange Dimensions Based on Tables F and H of BS 10 : 1962 Common

BS 10 Table F Dimensions

BS 10 Table H Dimensions

Flange Size Designation Overall Bolt Number Diameter Overall Bolt Number Diameter Flange Flange (Nominal Diameter Circle of of Diameter Circle of of Thickness Thickness Bore of of Flange Diameter Bolts Bolts of Flange Diameter Bolts Bolts Pipe) 1 3 1 1 5 4 4 /2 33/4 /8 25/8 /2 41/2 /2 31/4 /8 3 3 1 1 5 4 4 4 /4 /8 27/8 /2 41/2 /2 31/4 /8 3 5 9 5 1 4 4 43/4 /8 37/16 /8 43/4 /16 37/16 /8 1 5 11 5 4 4 11/4 51/4 /2 37/8 /8 51/4 /16 37/8 /8 11/2 2

51/2 61/2

1/2 5

/8

41/8 5

4 4

5/8 5

51/2 61/2

/4

41/8 5

4 4

5/8 5

21/2 3

71/4 8

5

/8

53/4

8

5

/8

5

/8

8

5

/8

31/2 4

81/2 9

3

/4

61/2 7

71/4 8

3

/4

53/4

8

5

/8

7

/8

61/2 7

8

5

8

5

/8

7

3

/4

71/2

8

5

/8

81/2 9

/8

8

5

/8

71/2

8

5

5

11

7

/8

91/4

8

3

/4

11

/8

11/8

91/4

8

3

6

12

7

/8

101/4

12

3

/4

/4

12

11/8

101/4

12

3

7

131/4

7

111/2

12

3

8

11/8

123/4 14

12

9

141/2 16

/8 1

/4

/4

131/4

11/4

111/2

12

3

/4

3

/4

11/4

3

/4

7

/8

13/8

123/4 14

12

12

141/2 16

12

7

10

17

11/8

15

/8

12

7

/8

17

13/8

15

12

7

12

191/4

11/4

171/4

16

/8

191/4

15/8

171/4

16

16

/8 1

13

203/4

13/8

181/2

203/4

13/4

181/2

16

/8 1

14

213/4

13/8

15

11/2

16

223/4 24

191/2

16

1

213/4

16

1

16

1

223/4

17/8 2

191/2

201/2

201/2

16

15/8

1

213/4 23

20

21/8

213/4 23

20

17

251/4

13/4

18

261/2

13/4

24

19

13/4

251/4

20

20

273/4 29

2

261/2

24

21

30

2

271/2

/8

7

1

24

11/16 3

/8 1

/8

7

1

251/4

21/4

11/8

261/2

23/8

24

11/8

21/2

251/4

20

11/8

11/8

273/4 29

25/8

261/2

24

11/8

24

11/8

30

23/4

271/2

24

11/8

281/2

24

11/8

293/4

24

11/4

303/4

24

11/4

20 20

1

22

31

21/8

281/2

24

11/8

31

23

321/2

21/4

293/4

24

11/4

321/2

23/4 3

24

331/2

21/4

303/4

24

11/4

331/2

3

20 20

1 11/8

Note Bolt hole diameters are as follows: For 1/2 in and 5/8 in bolts, the bolt hole shall be 1/16 in larger than the bolt diameter. For 3/4 in bolts and larger, the bolt hole shall be not more than 1/8 in larger than the bolt diameter.

8-72

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Flanges

Pressure/Temperature Ratings The following tables (based on ANSI B16.5-1996 and B16.47-1996) provide pressure/ temperature ratings for stainless steel materials used for flanges. Refer to Section 4 for further details regarding ASTM A 182. Also, the chemical analyses of ASTM A 240 grades are included in Section 1. 0DWHULDOV+ NominalDesignation

Forgings A 182 Gr. F3041 A 182 Gr. F304H

18Cr-8Ni

Plates A 240 Gr. 3041 A 240 Gr. 304H

Note 1 At temperatures over 1000°F, use only when the carbon content is 0.04% or higher.

Pressure/temperature ratings Temperature °F °C -20to100 -29to37.8 300 149 500 260 700 371 850 454 1000 538 1150 566 1300 704 1400 760 1500 816

150lb 275 205 170 110 65 20 -

300lb 720 540 465 425 395 320 200 85 50 25

Working Pressures by Classes, psig 400lb 600lb 900lb 1500lb 2500lb 960 1440 2160 3600 6000 720 1080 1620 2700 4500 620 930 1395 2330 3880 565 850 1275 2125 3540 530 790 1190 1980 3300 430 640 965 1605 2675 265 400 595 995 1655 115 170 255 430 715 65 95 145 240 400 35 55 80 135 230

Note psig = pounds per square inch gauge (0 psig = 14.7 psi absolute)

0DWHULDOV+ NominalDesignation

Forgings A 182 Gr. F3161 A 182 Gr. F316H -

16Cr-12Ni-2Mo 18Cr-13Ni-3Mo

Plates A 240 Gr. 3161 A 240 Gr. 316H A 240 Gr. 3171

Note 1 At temperatures over 1000°F, use only when the carbon content is 0.04% or higher.


150lb 275 215 170 110 65 20 -

300lb 720 560 480 430 420 350 235 115 75 40



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8-73

Flanges

Pressure/Temperature Ratings 0DWHULDOV// NominalDesignation 16Cr-12Ni-2Mo 18Cr-8Ni

Forgings A 182 Gr. F316L A 182 Gr. F304L1

Plates A 240 Gr. 316L A 240 Gr. 304L1

Note 1 Not to be used over 800°F.

Pressure/temperature ratings Temperature °F °C -20to100 -29to37.8 300 149 500 260 700 371 850 454

150lb 230 175 145 110 65

300lb 600 455 380 345 320

Working Pressures by Classes, psig 400lb 600lb 900lb 1500lb 800 1200 1800 3000 605 910 1360 2270 510 765 1145 1910 460 685 1030 1715 430 645 965 1610

2500lb 5000 3780 3180 2860 2680


0DWHULDOV+ NominalDesignation

Forgings A 182 Gr. F3212 A 182 Gr. F321H1

18Cr-10Ni-Ti

Plates A 240 Gr. 3212 A 240 Gr. 321H 1

Notes 1 At temperatures over 1000°F, use only if the material is heat treated by heating to a minimum temperature of 2000°F. 2 Not to be used over 1000°F.

Pressure/temperature ratings Temperature °F °C 150lb -20to100 -29to37.8 275 300 149 230 500 260 170 700 371 110 850 454 65 1000 538 20 1150 566 1300 704 1400 760 1500 816 -

300lb 720 595 515 465 445 355 235 110 65 40



8-74

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Flanges

Pressure/Temperature Ratings 0DWHULDOV++ NominalDesignation

Forgings

Plates

A 182 Gr. F3472 A 182 Gr. F347H1 A 182 Gr. F3482 A 182 Gr. F348H1

18Cr-10Ni-Cb

A 240 Gr. 3472 A 240 Gr. 347H1 A 240 Gr. 3482 A 240 Gr. 348H1

Notes 1 At temperatures over 1000°F, use only if the material is heat treated by heating to a minimum temperature of 2000°F. 2 Not to be used over 1000°F. .

Pressure/temperature ratings Temperature °F °C 150lb -20to100 -29to37.8 275 300 149 230 500 260 170 700 371 110 850 454 65 1000 538 20 1150 566 1300 704 1400 760 1500 816 -

300lb 720 615 540 495 485 365 275 95 55 35



0DWHULDOV6+ NominalDesignation

Forgings

23Cr-12Ni

Plates A 240 Gr. 309S 1,2,3 A 240 Gr. 309H

-

Notes 1 At temperatures over 1000°F, use only when the carbon content is 0.04% or higher. 2 For temperatures above 1000°F, use only if the material solution is heat treated to the minimum temperature specified in the specification but not lower than 1900°F, and quenching in water or rapidly cooling by other means. 3 This material should be used for service temperatures 1050°F and above only when assurance is provided that grain size is not finer than ASTM 6. .

Pressure/temperature ratings Temperature °F °C -20to100 -29to37.8 300 149 500 260 700 371 850 454 1000 1150 1300 1400 1500

538 566 704 760 816

150lb 260 220 170 110 65 20 -

300lb 670 570 505 455 425 335 170 80 45 25

Working Pressures by Classes, psig 400lb 600lb 900lb 1500lb 895 1345 2015 3360 760 1140 1705 2875 670 1010 1510 2520 610 910 1370 2280 565 850 1275 2125 450 230 105 60 30

670 345 160 90 50

1010 515 235 135 70

2500lb 5600 4740 4200 3800 3540

1680 2800 860 1430 395 660 225 370 120 200


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8-75

Flanges

Pressure/Temperature Ratings 0DWHULDOV6+ NominalDesignation

Forgings

Plates A 240 Gr. 310S1,2,3 A 240 Gr. 310H

A 182 Gr. F3101,3

25Cr-20Ni

Notes 1 At temperatures over 1000°F, use only when the carbon content is 0.04% or higher. 2 For temperatures above 1000°F, use only if the material is heat treated by heating it to a temperature of at least 1900°F and quenching in water or rapidly cooling by other means. 3 Service temperatures of 1050°F and above should only be used when assurance is provided that grain size is not finer than ASTM 6. .


150lb 260 220 170 110 65 20 -

300lb 670 570 505 455 425 345 190 75 45 25



0DWHULDOV))) NominalDesignation

Forgings A 182 Gr. F44 A 182 Gr. F511 A 182 Gr. F531

20Cr-18Ni-6Mo 22Cr-5Ni-3Mo-N 25Cr-7Ni-4Mo-N

Plates A 240 Gr. S31254 A 240 Gr. S31803 1 A 240 Gr. S32750 1

Note 1 This steel may become brittle after service at moderately elevated temperatures. Not to be used over 600°F.

Pressure/temperature ratings Temperature °F °C -20to100 -29to37.8 300 149 500 260 700 371 750 399

150lb 290 230 170 110 95

300lb 750 665 575 540 530

Working Pressures by Classes, psig 400lb 600lb 900lb 1500lb 1000 1500 2250 3750 885 1330 1995 3325 770 1150 1730 2880 725 1085 1625 2710 710 1065 1595 2660

2500lb 6250 5540 4800 4520 4430


8-76

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Flanges PDF File

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