Bosch Rexroth | A10VSO71DFLR31R-PPA12N00
A10VSO71DFLR/31R-PPA12N00
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The A10VSO71DFLR/31R-PPA12N00 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and serves as a variable-displacement unit for hydraulic automation. It provides a displacement of 71 cm³ per revolution so the circuit receives a defined oil volume each shaft turn. Clockwise rotation ensures compatibility with right-hand prime movers, and the rated speed of 2200 rpm is intended for continuous duty. At this speed the pump supplies 156 L/min, delivering steady flow to cylinders or motors. A nominal pressure of 280 bar supports routine system loads, while the shaft must transmit 73 kW under that condition. The corresponding output torque reaches 316 Nm, information needed for coupling selection. A case volume of 1.6 L stores internal leakage oil to aid cooling and reduce aeration.
Further interface limits guide installation and protection measures. The pump withstands pressure surges up to 350 bar, and a maximum permissible speed of 2600 rpm allows temporary flow increases. An SAE J518 2-in suction port minimizes inlet restriction, whereas discharge leaves through an SAE J518 1-in pressure port sized for standard manifolds. The pilot port accepts control oil to 350 bar so external valves can adjust the swashplate without extra reducers, and this port uses a 7/16-20 UNF-2B thread for common fittings. Case drainage returns through a 7/8-14 UNF-2B connection that routes oil back to the tank. The pump weighs 35.2 kg without a through drive, a figure considered when designing supports and handling procedures.
Technical Specifications
Case Volume
1.6 L
Direction Of Rotation
Clockwise
Displacement
71 cm³/rev
Drain Port Thread
7/8-14 UNF-2B
Max Flow @ 2200 Rpm
156 L/min
Max Permissible Speed
2600 rpm
Maximum Pressure
350 bar
Nominal Pressure
280 bar
Pilot Port Max Pressure
350 bar
Pilot Port Thread
7/16-20 UNF-2B
Power @ 280 Bar (nnom)
73 kW
Pressure Port Size
SAE J518 1 in
Rated Speed (vg Max)
2200 rpm
Suction Port Size
SAE J518 2 in
Torque @ 280 Bar
316 Nm
Weight Without Through Drive
35.2 kg
1620 Old Apex Road
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