Brake horsepower

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  1. This calculator can be used to determine the centrifugal pump brake horsepower (BHP) for a given flow rate (Q), head (H), specific gravity (S.G.), and efficiency (Eff). If you enter any four of these variables as inputs, the calculator will determine the fifth variable.

Input 4 of 5 variables to solve for the unknown.
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SymbolVariableInputUnits
BHPBrake Horsepower
QFlow Rate
TDHTotal Dynamic Head
S.G.Specific Gravity
EffEfficiency
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