Bosch Rexroth | AA10VSO10DR152R-PSA14N00
AA10VSO10DR1/52R-PSA14N00
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The AA10VSO10DR1/52R-PSA14N00 pump is manufactured by Bosch Rexroth in the A10VSO Variable Pumps series for closed-loop hydraulic automation where regulated oil flow is needed. Its geometric displacement is 10.5 cm³ per revolution, letting the drivetrain move 15 l/min at 1500 rpm and 37 l/min at the nominal speed. When spun at the maximum 3600 rpm the unit maintains steady delivery for cylinders and motors. System pressure is held at the 250 bar nominal level, which draws 16 kW and produces 42 Nm of drive-shaft torque at that pressure differential. Acceptable inlet conditions range from 0.8 bar absolute to 5 bar absolute to prevent cavitation under fluctuating reservoir levels.
The casing tolerates 2 bar internal pressure, allowing the housing to stay sealed when return lines are restricted, and lubrication oil exits through drain port L threaded M16×1.5. Supply oil enters through suction port S threaded M27×2, while high-pressure output leaves via working port B of the same M27×2 size so hose fittings remain consistent across the installation. Pilot port X with an M14×1.5 thread enables proportional displacement control from external valves, giving rapid response to load changes. The assembly endures short-term peaks up to 315 bar, providing a safety margin above the nominal setting and protecting downstream components from transients. Total weight is 8 kg, allowing one technician to mount or replace the pump without lifting gear.
Technical Specifications
Case Pressure Max
2 bar
Drain Port L (metric)
M16×1.5
Flow At 1500 Rpm
15 l/min
Flow At Nnom (vg Max)
37 l/min
Geometric Displacement
10.5 cm³/rev
Inlet Pressure Max (s)
5 bar abs
Inlet Pressure Min (s)
0.8 bar abs
Max Speed (vg Max)
3600 rpm
Maximum Pressure
315 bar
Nominal Pressure
250 bar
Pilot Port X (metric)
M14×1.5
Power At Nnom (Δp=250 Bar)
16 kW
Suction Port S (metric)
M27×2
Torque At Δp=250 Bar
42 Nm
Weight (approx.)
8 kg
Working Port B (metric)
M27×2
1620 Old Apex Road
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