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The A10VSO10DR/52R-PUC64N00 variable pump is part of the A10VSO Variable Pumps series produced by Bosch Rexroth for adjustable hydraulic power in open-circuit systems. It supplies flow to actuators while maintaining defined pressure limits suited to industrial automation. The pump operates in an open circuit, and it sustains a nominal pressure of 280 bar for continuous duty. When transient loads occur, the design accepts a peak pressure of 350 bar without damage. Pressure port B is rated for a maximum of 350 bar so line components downstream can be matched accordingly. Pilot port X also tolerates up to 350 bar, enabling direct control connections. Suction port S is limited to 10 bar to avoid cavitation at the inlet.
Clockwise shaft rotation is specified for this model, and the internal channels route flow from port S to port B to match that rotation. A DR pressure control regulates displacement so system pressure remains stable under variable demand. During regulation, pilot oil consumption does not exceed 3 L/min, keeping auxiliary power loss low. The case drain circuit sees a maximum absolute pressure of 2 bar, which protects shaft seals from overload. There is no through drive, identified by code N00, so the housing terminates the shaft after the primary coupling. These parameters define installation requirements and ensure predictable behavior in closed-loop machine controllers.
Case Drain Pressure Max
2 bar (abs)
Control Type
DR (Pressure Control)
Direction Of Flow
S To B
Direction Of Rotation
Clockwise (R)
Nominal Pressure
280 bar
Operation Mode
Open Circuit
Peak Pressure
350 bar
Pilot Oil Consumption Max
3 L/min
Pilot Port X Max Pressure
350 bar
Pressure Port B Max Pressure
350 bar
Suction Port S Max Pressure
10 bar
Through Drive
None (N00)
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