Bosch Rexroth | AA10VSO140DRG31R-PKD62N00
AA10VSO140DRG/31R-PKD62N00
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The AA10VSO140DRG/31R-PKD62N00 is part of the A10VSO Variable Pumps series manufactured by Bosch Rexroth for hydraulic automation circuits. Its displacement is 140 cm³ per revolution, establishing the volume transferred each shaft turn. A nominal pressure rating of 280 bar supports continuous duty, while a peak limit of 350 bar tolerates short spikes. At maximum displacement the pump reaches 252 L/min when driven at 1800 rpm, supplying high flow to actuators. A minimum inlet pressure of 0.8 bar prevents cavitation at the SAE J518 2 1/2-inch suction port, and delivery exits through a SAE J518 1 1/4-inch pressure port.
The housing mounts with a SAE J744 four-hole D-flange for secure alignment to the prime mover. Case oil returns through 1 1/16-12 UN-2B drain ports, and case pressure must remain below 2 bar to protect seals. A DRG compensator maintains a 20 bar differential so the swashplate modulates flow, aided by a 1.5 L/min pilot oil feed. The control line attaches at a 9/16-18 UNF-2B port that accepts pressures up to 350 bar, equal to the pump’s peak capability. When the displacement is reduced the shaft can accelerate to 2100 rpm, extending speed range beyond the 1800 rpm limit applied at full stroke.
Technical Specifications
Case Drain Ports (l/l1)
1 1/16-12 UN-2B
Displacement
140 cm³/rev
Drg Differential Pressure (std)
20 bar
Drg Pilot Oil Flow
1.5 L/min
Max Case Drain Pressure (abs)
2 bar
Max Flow (n=1800 Rpm)
252 L/min
Max Permitted Speed (<vg Max)
2100 rpm
Max Speed (vg=vg Max)
1800 rpm
Minimum Inlet Pressure (abs)
0.8 bar
Mounting Flange
SAE J744 4-Hole (D)
Nominal Pressure
280 bar
Peak Pressure
350 bar
Pilot Port X Max Pressure
350 bar
Pilot Pressure Port (x)
9/16-18 UNF-2B
Pressure Port (b)
SAE J518 1 1/4 in
Suction Port (s)
SAE J518 2 1/2 in
1620 Old Apex Road
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