Comparing Hydraulic Pumps

Type of Pump	Maximum Pressure (bar)	Maximum Flow (l/min)	Comment
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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