Bosch Rexroth | AA10VSO45DR31R-PKC62K01-TEST-CODE-001
AA10VSO45DR/31R-PKC62K01 Test Code 001
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The AA10VSO45DR/31R-PKC62K01 Test Code 001 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and serves as a variable-displacement source for hydraulic automation. Its displacement is 45 cm³ per revolution, establishing the fluid volume moved with each shaft turn. A nominal pressure limit of 280 bar supports steady circuit operation, while a nominal speed of 2600 rpm aligns with common industrial prime movers. Maximum flow reaches 117 L/min at full displacement to supply mid-sized actuator banks. The unit can transmit up to 55 kW at 280 bar, defining the power rating for the drive train. Case drainage is allowed up to 2 bar so internal leakage oil returns safely to tank. Inlet absolute pressure must stay above 0.8 bar and below 10 bar to avoid cavitation and maintain volumetric efficiency.
The pump tolerates peak pressure surges to 350 bar for short-term load spikes. A maximum speed of 3100 rpm permits higher flow when displacement is reduced for intermittent duty. Shaft loading is limited to 200 Nm of torque at 280 bar, setting the mechanical design point for couplings. Pilot Port X is threaded 7/16-20 UNF-2B to receive control signals for displacement or pressure override. Pressure Port B uses a 1 in SAE flange (ISO 6162-1) to route the main outlet flow, and Suction Port S is sized 1 1/2 in SAE in the same standard to admit reservoir fluid with minimal restriction. The drain port L/l1 with a 7/8-14 UNF-2B thread returns leakage oil to tank. A through-drive hub spline of 5/8 in, 9-tooth, 16/32 DP enables tandem mounting of an auxiliary pump without an external gearbox.
Technical Specifications
Case Drain Abs Pressure Max
2 bar
Displacement (per Rev)
45 cm³
Drain Port L/l1
7/8-14 UNF-2B
Inlet Abs Pressure Max
10 bar
Inlet Abs Pressure Min
0.8 bar
Max Flow (nnom, Vgmax)
117 L/min
Max Power (nnom, 280 Bar)
55 kW
Max Speed (vg<vgmax)
3100 rpm
Max Torque (280 Bar)
200 Nm
Nominal Pressure
280 bar
Nominal Speed (vgmax)
2600 rpm
Peak Pressure
350 bar
Pilot Port X
7/16-20 UNF-2B
Pressure Port B
1 in SAE (ISO 6162-1)
Suction Port S
1 1/2 in SAE (ISO 6162-1)
Through-drive Hub Spline
5/8 in 9T 16/32 DP
1620 Old Apex Road
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