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Hydraulic Pump - Required Shaft Power

Contents

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Shaft power for a hydraulic pump delivering a given flow at a specific pressure - P = Q·p/η.

Formula

$$ P_{shaft} = \frac{Q \cdot p}{\eta \cdot 600} $$

Symbol legend

SymbolMeaningUnitSource
$Q$Volumetric flowL/minpump spec
$p$Working pressurebarrelief setting
$\eta$Overall efficiency-maker data

Sources

  • Bosch Rexroth Marine Hydraulic Handbook.