Bosch Rexroth | AA10VO71DRG31R-PSC92N00
AA10VO71DRG/31R-PSC92N00
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The AA10VO71DRG/31R-PSC92N00 is produced by Bosch Rexroth within the A10VSO Variable Pumps series and supplies hydraulic energy for automated machinery. A displacement of 71 cm³ per revolution defines how much fluid is delivered each shaft turn. The splined drive shaft conforming to ISO 3019-1 allows secure torque transfer to the prime mover. Clockwise rotation establishes compatibility with standard right-handed drive trains. A maximum speed of 2200 rpm lets the unit support fast cycle requirements. With a maximum flow of 156 L/min, the pump can feed large actuators without auxiliary boosters. Nominal operating pressure is 280 bar, which sets the continuous working limit for circuit design. Delivered mechanical capacity reaches 73 kW so motor sizing can match that power demand.
The remote pressure DRG control adjusts outlet pressure from a distance to suit variable duty cycles. A differential pressure setting of 20 bar gives the control valve the needed margin for stable regulation. Peak pressure capability of 350 bar tolerates short overload events without damage. Torque requirement is 113 Nm at 100 bar, informing coupling selection for low pressure work. At 280 bar the torque rises to 316 Nm, highlighting the need for robust drive components at full load. The case drain has a maximum absolute pressure of 2 bar, preventing seal stress in return lines. Side-mounted service ports simplify hose routing in compact power packs. There is no through drive, so the pump cannot cascade additional units in series. The assembly weighs 33 kg, influencing support bracket design during installation.
Technical Specifications
Case Drain Pressure Max
2 bar (abs)
Control Type
DRG (Remote Pressure)
Differential Pressure (drg)
20 bar
Direction Of Rotation
Clockwise
Displacement
71 cm3/rev
Drive Shaft Type
Splined (ISO 3019-1)
Max Flow
156 L/min
Max Power
73 kW
Nominal Pressure
280 bar
Peak Pressure
350 bar
Service Ports Location
Side
Speed Max (vg Max)
2200 rpm
Through Drive
None
Torque At 100 Bar
113 Nm
Torque At 280 Bar
316 Nm
Weight
33 kg
1620 Old Apex Road
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