Bosch Rexroth | AA10VSO100DFLR31R-PPA12N00
AA10VSO100DFLR/31R-PPA12N00
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The AA10VSO100DFLR/31R-PPA12N00 variable pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and supplies hydraulic actuators with adjustable flow for automated machinery. A geometric displacement of 6.10 in³ per revolution sets the fixed volume moved per shaft turn so designers can match system flow demands. When driven at 1800 rpm and set to maximum displacement, the pump delivers 47.6 gpm, which suits medium-capacity circuits that need constant delivery. Its maximum speed of 2000 rpm lets the unit reach higher flow without mechanical overstress, provided the inlet conditions remain within limits. A nominal pressure rating of 4100 psi allows continuous operation while safeguarding internal components. Suction conditions are controlled by a maximum inlet pressure of 145 psi and a minimum of 12 psi absolute, ensuring the rotating group stays fully flooded. The suction port uses a 2 1/2 in connection under ISO 6162-1 to accommodate large hoses with low velocity losses, and the case drain pressure must stay below 30 psi absolute to protect shaft seals.
The same pump supports 52.8 gpm at 2000 rpm for applications that need peak flow during short duty cycles. A maximum pressure capability of 5100 psi covers intermittent overloads, and a permitted pressure ramp of 232060 psi per second allows rapid control responses without cavitation. The pilot port tolerates up to 5100 psi so remote compensators can modulate displacement at full system pressure, and the thread on that port is 7/16-20 UNF-2B for standard hydraulic fittings. At 2000 rpm and 4100 psi the shaft absorbs 125 HP, information required when sizing prime movers. Output torque reaches 328 lb-ft at the same pressure, a figure useful for coupling selection and torsional analysis. Working fluid leaves through a 1 1/4 in port built to ISO 6162-2, which balances flow capacity with compact manifold dimensions.
Technical Specifications
Case Pressure Max
30 psi (2 bar) abs
Displacement (geometric)
6.10 in³/rev (100 cm³/rev)
Flow At 1800 Rpm (vg Max)
47.6 gpm (180 l/min)
Flow At 2000 Rpm (vg Max)
52.8 gpm (200 l/min)
Max Rate Of Pressure Change
232060 psi/s (16000 bar/s)
Max Speed At Vg Max
2000 rpm
Maximum Inlet Pressure (suction)
145 psi (10 bar)
Maximum Pressure
5100 psi (350 bar)
Minimum Inlet Pressure (suction)
12 psi (0.8 bar) abs
Nominal Pressure
4100 psi (280 bar)
Pilot Port Max Pressure
5100 psi (350 bar)
Pilot Port Thread
7/16-20 UNF-2B
Power At 2000 Rpm (4100 Psi)
125 HP (93 kW)
Suction Port Size
2 1/2 in (ISO 6162-1)
Torque At 4100 Psi
328 lb-ft (445 Nm)
Working Port Size
1 1/4 in (ISO 6162-2)
1620 Old Apex Road
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