Hydraulic Pumps Types Pressure Flow

Reference data and engineering information about hydraulic pumps types pressure flow for hydraulics and pneumatics applications.

hydraulicpumpstypespressure

Overview

Engineering reference data for Hydraulic Pumps Types Pressure Flow in hydraulics pneumatics.

$P = \frac{F}{A}$

Pressure is equal in all directions.

$F_2 = F_1 \frac{A_2}{A_1}$

Force amplification by area ratio.

6 rows

Comparison of common hydraulic pump types and their typical performance ranges.
Type of Pump	Maximum Pressure(bar)	Maximum Flow(l/min)	Comment
Centrifugal	20	3000
Gear	175	300	Positive displacement
Vane	175	500	Positive & variable displacement
Axial Piston - port-plate	300	500	Positive & variable displacement
Axial Piston - valved	700	650	Positive & variable displacement
In-line Piston	1000	100	Positive & variable displacement

Source: engineeringtoolbox.com

$1 \text{ bar} = 1 \times 10^5 \text{ Pa} = 14.5 \text{ psi}$ $1 \text{ l/s} = 2.1 \text{ cfm} = 15.9 \text{ gal (US)/min}$