Hydraulic Pump Power

Input kW required for a hydraulic pump delivering flow Q at pressure Δp.

Hydraulics

FlowL/minPressure risebarOverall efficiency -

Shaft input: 49.41kW

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

P = \frac{Q \cdot \Delta p}{600 \cdot \eta}

Symbol	Meaning	Unit
$Q$	Flow	L/min
$Δp$	Pressure rise	bar
$η$	Overall efficiency

Source: ISO 4409 - Hydraulic fluid power

In short

Input kW required for a hydraulic pump delivering flow Q at pressure \u0394p.

Learn the theory Marine Auxiliary Engines and Generators