20 Pump Size Calculations

Jignesh.Parmar, www.electricalnotes.wordpress.c

CALCULATE MOTOR-PUMP SIZE :Pump Detail: Static Suction Head: (h1) Static Discharge Head: (h2)

0 50

Meter

0.0127 0.0127 1000 900 1

Meter

Meter

Is Pump Inlet Diameter equal to Outlet Diameter: Enter Pump Inlet Diameter: Enter Pump Outlet Diameter: Density of Liquid: (D) Required Amount of Liquid at perticular Height Required Time for getting Liquid at perticular Height

Meter Kg/m3

Flow Rate: (Q)

0.015

M3/Sec

Inlet Velocity: (v1)

118.47

M3/Sec

Outlet Velocity: (v2)

118.47

M3/Sec

Velocity Head Inlet: (Vhi) Velocity Head Outlet: (Vho)

715.37 715.37

Meter Meter

Difference in Velocity Head: (h3)

0.00

Meter

Total Head:

50.00

Meter

Frction Loass in Pipe

30%

Actual Total Head (After Friction Losses): (H)

65

Meter

Pump Hydraulic Power: (ph)

10

Kw

Pump Efficiency: (nP)

80%

Motor/ Pump Shaft Power: (ps) Motor Efficiency: (nM)

Kw

90%

Safety Margin (As per Americal Petroleum Institute (API):

Required Motor Size:

Liquid Acetic Acid Acetone Acetonitrile Alcohol, ethyl (ethanol) Alcohol, methyl (methanol) Alcohol, propyl Ammonia (aqua) Aniline Automobile oils Beer (varies) Benzene Benzil Brine Bromine Butyric Acid

12

1

13

Tem(°C) 25 25 20 25 25 25 25 25 15 10 25 15 15 25 20

Kw

Density(Kg/m3) 1049 784.6 782 785.1 786.5 800 823.5 1019 880 - 940 1010 873.8 1230 1230 3120 959

Butane n-Butyl Acetate n-Butyl Alcohol n-Butylhloride Caproic acid Carbolic acid Carbon disulfide Carbon tetrachloride Carene Castor oil Chloride Chlorobenzene Chloroform Chloroform Citric acid Coconut oil Cotton seed oil Cresol Creosote Crude oil, 48o API Crude oil, 40o API Crude oil, 35.6o API Crude oil, 32.6o API Crude oil,alifornia Crude oil, Mexican Crude oil, Texas Cumene Cyclohexane Cyclopentane Decane Diesel fuel oil 20 to 60 Diethyl ether o-Dichlorobenzene Dichloromethane Diethylene glycol Dichloromethane Dimethyl Acetamide N,N-Dimethylformamide Dimethyl Sulfoxide Dodecane Ethane Ether Ethylamine Ethyl Acetate Ethyl Alcohol Ethyl Ether Ethylene Dichloride Ethylene glycol Freon (Fluorine) refrigerant R-11 Fluorine refrigerant R-12 Fluorine refrigerant R-22 Formaldehyde Formic acid 10%oncentration Formic acid 80%oncentration Freon - 11

25 20 20 20 25 15 25 25 25 25 25 20 20 25 25 15 15 25 15 60oF 60oF 60oF 60oF 60oF 60oF 60oF 25 20 20 25 15 20 20 20 15 20 20 20 20 25 -89 25 16 20 20 20 20 25 25 25 25 45 20 20 21

599 880 810 886 921 956 1261 1584 857 956.1 1560 1106 1489 1465 1660 924 926 1024 1067 790 825 847 862 915 973 873 860 779 745 726.3 820 - 950 714 1306 1326 1120 1326 942 949 1100 754.6 570 713.5 681 901 789 713 1253 1097 1476 1311 1194 812 1025 1221 1490

Freon - 21 Fuel oil Furan Furforol Gasoline, natural Gasoline, Vehicle Gas oils Glucose Glycerine Glycerol Heating oil Heptane Hexane Hexanol Hexene Hydrazine Iodine Ionene Isobutyl Alcohol Iso-Octane Isopropyl Alcohol Isopropyl Myristate Kerosene Linolenic Acid Linseed oil Machine oil Mercury Methane Methanol Methyl Isoamyl Ketone Methyl Isobutyl Ketone Methyl n-Propyl Ketone Methyl t-Butyl Ether N-Methylpyrrolidone Methyl Ethyl Ketone Milk Naphtha Naphtha, wood Napthalene Nitric acid Ocimene Octane Oil of resin Oil of turpentine Oil, lubricating Olive oil Oxygen (liquid) Paraffin Palmitic Acid Pentane Pentane Perchlor ethylene Petroleum Ether Petrol, natural Petrol, Vehicle

21 60oF 25 25 60oF 60oF 60oF 60oF 25 25 20 25 25 25 25 25 25 25 20 20 20 20 60oF 25 25 20 -164 20 20 20 20 20 20 20 15 15 25 25 0 25 15 20 20 20 20 -183 25 20 25 20 20 60oF 60oF

1370 890 1416 1155 711 737 890 1350 - 1440 1259 1126 920 679.5 654.8 811 671 795 4927 932 802 692 785 853 820.1 897 929.1 910 13590 465 791 888 801 808 741 1030 805 1020 - 1050 665 960 820 1560 798 698.6 940 870 900 800 - 920 1140 800 851 626 625 1620 640 711 737

Phenol Phosgene Phytadiene Pinene Propane Propane, R-290 Propanol Propylenearbonate Propylene Propylene glycol Pyridine Pyrrole Rape seed oil Resorcinol Rosin oil Sea water Silane Silicone oil Sodium Hydroxide (caustic soda) Sorbaldehyde Soya bean oil Stearic Acid Sulfuric Acid 95%onc. Sulfurus acid Sugar solution 68 brix Sunflower oil Styrene Terpinene Tetrahydrofuran Toluene Trichlor ethylene Triethylamine Trifluoroacetic Acid Turpentine Water, heavy Water - pure Water - sea Whale oil o-Xylene

25 0 25 25 -40 25 25 20 25 25 25 25 20 25 15 25 25 15 25 15 25 20 -20 15 20 25 25 20 20 20 20 20 25 11.6 4 77oF 15 20

1072 1378 823 857 493.5 494 804 1201 514.4 965.3 979 966 920 1269 980 1025 718 760 1250 895 924 - 928 891 1839 1490 1338 920 903 847 888 867 1470 728 1489 868.2 1105 1000 1022 925 880

mar, www.electricalnotes.wordpress.com

P SIZE

CALCULATE MOTOR-PUMP SIZE 0.04 9 150 1 9.8 80%

kg/cm2

8.96 89.6 91.4

kg/cm2

Kw Kw

Safety Margin

37.3 46.6 1.15

Required Motor Size:

54

Suction Pressure:(Ps) Discharge Pressure:(Pd) Volumetric Flow:(Q) Specific Gravity:(SG) Gravity of Fluid:(g) Pump Efficiency:(η)

kg/cm2 m3/jam m/s2

0.9 60

Differential Pressure: Differential Head: Required Differential Head:(H) Water Head Pressure (WHP): Pump's Brake Horse Power (BHP):

Meter Meter

Kw

18 HP

0.0127 0.00635

54

OR-PUMP SIZE

WHP=(SGxgxQxH)/3600 BHP=WHPxn

72 HP