Bosch Rexroth | AA10VSO45DR31R-PPA12K01-TEST-CODE-000
AA10VSO45DR/31R-PPA12K01 Test Code 000
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The AA10VSO45DR/31R-PPA12K01 Test Code 000 is a variable displacement pump in the A10VSO Variable Pumps series from Bosch Rexroth. It supplies hydraulic circuits with controlled flow and pressure for automation tasks that use axial piston technology. The pump has a geometric displacement of 45 cm³ per revolution, so each shaft turn moves that volume of oil. At nominal speed and full displacement it delivers up to 30.9 gpm, supporting rapid actuator cycles. System limits are guided by a nominal pressure of 4100 psi, while short-term peaks can reach 5100 psi. Proper inlet conditions require at least 12 psi absolute on the suction side. Fluid enters through a 1 ½-inch suction port and leaves through a 1-inch pressure port, both sized to limit velocity losses. Clockwise rotation is specified to match standard right-hand prime movers.
Dynamic behavior is set by two speed ceilings: 3100 rpm when displacement is reduced and 2600 rpm at maximum swashplate angle, values that protect internal parts from excessive load. Output torque reaches 148 lb-ft at the 4100 psi working point, providing a clear sizing guide for the drive motor. The case volume is 0.264 gal, giving space for oil expansion and damping. A 7/8-14 UNF-2B drain port vents leakage oil, and the passage may see up to 30 psi. Control pressure enters through a 7/16-20 UNF-2B pilot port that supports remote regulation. Installed weight with a through-drive adapter is 55 lb, which influences mounting design. These figures define the pump’s operating envelope for machine tools, presses, and other closed-loop hydraulic equipment.
Technical Specifications
Case Volume
0.264 gal (1.0 l)
Drain Port (l/l1)
7/8-14 UNF-2B
Geometric Displacement
45 cm3/rev (2.75 in3)
Max Case Drain Pressure
30 psi (2 bar)
Max Flow At Nnom (vg Max)
30.9 gpm (117 l/min)
Max Speed At Vg < Vg Max
3100 rpm
Max Speed At Vg Max
2600 rpm
Maximum Pressure
5100 psi (350 bar)
Min Inlet Abs Pressure
12 psi (0.8 bar)
Nominal Pressure
4100 psi (280 bar)
Pilot Port (x)
7/16-20 UNF-2B
Pressure Port (b)
1 in
Rotation Direction
Clockwise
Suction Port (s)
1 1/2 in
Torque At 4100 Psi (vg Max)
148 lb-ft (200 Nm)
Weight With Through Drive
55 lb (25.1 kg)
1620 Old Apex Road
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