Bosch Rexroth | AA10VO85DFR52L-VUC62N00
AA10VO85DFR/52L-VUC62N00
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The AA10VO85DFR/52L-VUC62N00 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and delivers adjustable hydraulic flow for automation tasks. It works in an open circuit so fluid is drawn from a reservoir and returned after use without recirculating through the case. A counterclockwise rotation suits left-hand prime movers, and flow is specified from port S to port B to define line routing. Continuous duty is supported by a nominal pressure of 4000 psi, while a peak limit of 5100 psi covers brief load spikes. The DFR control maintains a 200 psi differential between outlet and load-sense lines, keeping displacement stable under varying demand. Maximum inlet pressure is 435 psi to prevent cavitation when the supply is boosted, and operation can continue down to a minimum inlet pressure of 12 psi when tank head is low.
Two case drain ports are provided so internal leakage can be returned with minimal backpressure, and the drain line must stay below 29 psi absolute to protect seals. Both the inlet and pressure ports use the SAE J518 flange pattern, simplifying hose selection and mounting. All service connections are arranged on the side of the housing under orientation code 62 N00, which helps in compact machine layouts. The X pilot port is threaded 7/16-20 UNF-2B, allowing easy attachment of remote pressure or load-sense valves. No through drive is installed, so the unit ends the shaft train without passing torque to additional pumps. FKM sealing resists high-temperature oils and common additives, extending service intervals.
Technical Specifications
Case Drain Ports
2
Case Drain Pressure Max (abs)
29 psi (2 bar)
Dfr Differential Pressure
200 psi (14 bar)
Direction Of Flow
S To B
Direction Of Rotation
Counterclockwise (L)
Inlet Port Standard
SAE J518
Maximum Inlet Pressure (abs)
435 psi (30 bar)
Minimum Inlet Pressure (abs)
12 psi (0.8 bar)
Nominal Pressure
4000 psi (280 bar)
Operating Mode
Open Circuit
Peak Pressure
5100 psi (350 bar)
Pilot Port X Thread
7/16-20 UNF-2B
Ports Orientation
Side (62 N00)
Pressure Port Standard
SAE J518
Sealing Material
FKM (V)
Through Drive
None (N00)
1620 Old Apex Road
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