Bosch Rexroth | AA10VSO71DFR131R-PKC92K01-S1353
AA10VSO71DFR1/31R-PKC92K01-S1353
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The AA10VSO71DFR1/31R-PKC92K01-S1353 pump is part of the A10VSO Variable Pumps series from Bosch Rexroth and is intended to supply controlled hydraulic flow in automated systems. Its geometric displacement is 71 cm³ per revolution, establishing the theoretical volume delivered each shaft turn. At 1800 rpm the unit yields 128 L/min so it can service medium-duty actuator groups, while a maximum of 156 L/min is available at 2200 rpm for higher demand cycles. Continuous operation with the swashplate at full displacement is limited to 2200 rpm, but the shaft can reach 2600 rpm when the displacement is reduced, giving designers flexibility in speed-to-flow ratios. The drive train may transmit up to 73 kW at 2200 rpm, supporting compact power packs, and the rotating group can deliver 316 N·m of torque at 280 bar to move high-load cylinders. For pressure trials or low-load commissioning, 113 N·m at 100 bar is sufficient, reducing energy draw.
Internal characteristics further define installation limits. A case volume of 1.6 L provides oil for bearing lubrication and heat absorption, while the DFR1 pressure compensator is preset to a differential of 14 bar so the pump responds quickly to load changes. Inlet conditions must stay below 10 bar and above an absolute 0.8 bar to prevent cavitation and seal damage, and fluid leaving the case drain must not exceed 2 bar absolute to maintain bearing life. Control lines are rated for 350 bar at the pilot port, matching the 350 bar allowance on the working ports for consistent system pressure. The assembly weighs 38 kg with a through-drive adaptor, a consideration for mounting brackets and handling equipment.
Technical Specifications
Case Volume
1.6 l
Dfr1 Δp Standard Setting
14 bar
Flow @ 1800 Rpm
128 l/min
Geometric Displacement
71 cm³/rev
Max Case Drain Pressure (abs)
2 bar
Max Flow @ 2200 Rpm
156 l/min
Max Inlet Pressure
10 bar
Max Power @ 2200 Rpm
73 kW
Max Speed (reduced Vg)
2600 rpm
Max Speed (vg Max)
2200 rpm
Max Torque @ 280 Bar
316 Nm
Min Inlet Pressure (abs)
0.8 bar
Pilot Port Max Pressure
350 bar
Torque @ 100 Bar
113 Nm
Weight With Through Drive
38 kg
Working Port Max Pressure
350 bar
1620 Old Apex Road
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