Centrifugal Pumps - Minimum Flow

Minimum continuous flow to prevent flashing in centrifugal pumps. Calculates the minimum water flow through the pump based on power input, specific heat of fluid, and specific gravity to prevent vaporization within the pump casing.

Calculator

Inputs

Power Input (BHP) (BHP)

Specific Heat of Fluid (Btu/lb °F)

Specific Gravity of Fluid (dimensionless)

Results

Minimum Flow Rate-- gpm

Input Parameter	Value	Unit
Power Input (PBHP)	inputs.pbhp	BHP
Specific Heat of Fluid (cp)	inputs.cp	Btu/lb °F
Specific Gravity of Fluid (SG)	inputs.sg	dimensionless
Minimum Flow Rate (q)	inputs.pbhp / (2.95 * inputs.cp * inputs.sg)	gpm