Bosch Rexroth | AA10VO100DFR131R-PSC62K02
AA10VO100DFR1/31R-PSC62K02
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The AA10VO100DFR1/31R-PSC62K02 variable pump is manufactured by Bosch Rexroth as part of the A10VSO Variable Pumps series. It is intended for hydraulic automation where adjustable flow maintains stable actuator velocity. The DFR1 control type combines pressure and flow regulation to hold the outlet differential pressure at 14 bar. A displacement of 100 cm³ per revolution determines the volume moved by each shaft turn and guides motor sizing. At nominal speed the pump can deliver 200 L/min, while mechanical parts remain safe up to 2400 rpm. When running at maximum displacement the allowable speed falls to 2000 rpm to limit internal loading. A case volume of 2.2 L stores return oil and dampens pressure spikes, and the clockwise rotation direction matches standard right-hand prime movers.
The unit works continuously at 280 bar and withstands peaks of 350 bar during short overloads. A shaft torque capacity of 445 Nm must be considered when selecting couplings and drive components. Fluid enters through a 2 1/2 in SAE J518 suction port and exits via a 1 1/4 in SAE J518 pressure port to the circuit manifold. Pilot control signals reach the rotating group through a 7/16-20 UNF X port, and excess leakage is drained by a 1 1/16-12 UNF L/l1 port to avoid housing overpressure. The assembled pump weighs 49.5 kg without a through-drive section, so mounting brackets must handle that static load while isolating vibration.
Technical Specifications
Case Volume
2.2 L
Control Type
DFR1
Differential Pressure
14 bar
Displacement
100 cm3/rev
Drain Port L/l1
1 1/16-12 UNF
Max Flow At Nnom
200 L/min
Max Permissible Speed
2400 rpm
Max Speed At Vg Max
2000 rpm
Max Torque
445 Nm
Nominal Pressure
280 bar
Peak Pressure
350 bar
Pilot Port X
7/16-20 UNF
Pressure Port B
1 1/4 in SAE J518
Rotation Direction
Clockwise
Suction Port S
2 1/2 in SAE J518
Weight Without Through Drive
49.5 kg
1620 Old Apex Road
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