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Comparing Hydraulic Pumps

Comparing different types of hydraulic pumps and their maximum pressures and flow.

Hydraulic Pumps
Type of PumpMaximum Pressure
Maximum Flow
Centrifugal 20 3000
Gear 175 300 Positive displacement
Vane 175 500 Positive and variable displacement
Axial Piston - port-plate  300 500 Positive and variable displacement
Axial Piston - valved 700 650 Positive and variable displacement
In-line Piston 1000 100 Positive and variable displacement
  • 1 bar = 1x105 Pa = 14.5 psi
  • 1 l/s = 2.1 cfm = 15.9 gal (US)/min

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