Centrifugal Pump Minimum Flow Rate Calculator

A sub-class of dynamic axisymmetric work-absorbing turbomachinery are Centrifugal pumps. Generally used for water, sewage, petroleum and petrochemical pumping. A centrifugal pump aids in transporting fluids by conversion of rotational energy, often from a motor, to energy in a moving fluid. Calcuate minimum rate of fluid flow in a centrifugal pump using this online Centrifugal Pump Minimum Flow Rate Calculator based on specific heat capacity, specific gravity of the fluid and power input.

Calculate Minimum Flow Rate of Centrifugal Pump

BHP
Btu/lb °F
kg/m3
gpm

A sub-class of dynamic axisymmetric work-absorbing turbomachinery are Centrifugal pumps. Generally used for water, sewage, petroleum and petrochemical pumping. A centrifugal pump aids in transporting fluids by conversion of rotational energy, often from a motor, to energy in a moving fluid. Calcuate minimum rate of fluid flow in a centrifugal pump using this online Centrifugal Pump Minimum Flow Rate Calculator based on specific heat capacity, specific gravity of the fluid and power input.

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Formula:

q = (PBHP / 2.95) x cp x SG Where, q = Centrifugal Pump Minimum Flow Rate PBHP = Power Input cp = Specific Heat Capacity SG = Specific Gravity of the Fluid

Example:

If the power input is 25 BHP, specific heat capacity is 33 Btu/lb °F and specific gravity of fluid is 10 kg/m3

Solution,

q = (PBHP / 2.95) x cp x SG
= (25 / 2.95) x 33 x 10
= 2796.61 gpm

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