Commonly Used Reference Materials

API 610 Pump Classifications and Standards

Fluid Properties

Material Standards and Properties

Common Equations

1 Barrel = 42 gallons

Gallons Per Minute = Barrels Per Day × .0292
GPM = BPD × .0292

Horsepower = Torque in Inch Pounds × (Revolutions Per Minute) ÷ 63,025
HP = ((Torque in Inch Pounds) × RPM) ÷ 63,025

1 US Liquid Gallon = 231 Cubic Inches
1 US Liquid Gallon = 231 Inches^3

1 US Liquid Gallon = 0.13368 Cubic Feet
1 US Liquid Gallon = 0.13368 Feet^3

1 US Liquid Gallon = 3.78541 Liters
1 Liter = 0.26417 US Liquid Gallons

1 Cubic Foot = 7.84 US Liquid Gallons
1 Foot^3 = 7.84 US Liquid Gallons

1 Cubic Foot = 28.31685 Liters
1 Foot^3 = 28.31685 Liters

Cubic Feet Per Day = Cubic Feet Per Minute × 1440
Feet^3 Per Day = (Feet^3 Per Minute) × 1440

Cubic Feet Per Minute = Cubic Feet Per Day ÷ 1440 Minutes Per Day
Feet^3 Per Minute = (Feet^3 Per Day) ÷ 1440 Minutes Per Day

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