Bosch Rexroth | AA10VO60DFR152L-VSD61N00
AA10VO60DFR1/52L-VSD61N00
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The AA10VO60DFR1/52L-VSD61N00 variable pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for hydraulic automation systems. It converts mechanical energy into regulated flow, and the DFR1 pressure/flow control keeps delivery matched to circuit demand. A differential pressure setting of 200 psi (14 bar) determines the compensator offset that triggers flow reduction. Nominal operating pressure is 4000 psi (280 bar), while a peak rating of 5100 psi (350 bar) covers short-duration transients. The specified direction of flow is S to B, which identifies suction and discharge sides. Inlet absolute pressure must remain between 12 psi (0.8 bar) and 435 psi (30 bar) to avoid cavitation or over-pressurization. Fluid temperature may reach 239 °F (115 °C), defining the thermal limit for seals and bearings.
Two case drain ports are provided so excess leakage oil can leave the housing without restriction, and case drain pressure is limited to 29 psi (2 bar) to protect shaft seals. Short-term viscosity limits range from 10 mm²/s to 1600 mm²/s, guiding fluid selection during cold starts or elevated load cycles. The mounting flange follows SAE J744, giving dimensional compatibility with common hydraulic prime movers. Pressure and return connections use port flanges built to SAE J518, allowing straightforward hose and tube attachment. Service ports are located at the rear under Version 61, which simplifies access when the pump is installed against a bulkhead. No through drive is fitted under code N00, meaning the unit cannot transfer mechanical power to an additional pump.
Technical Specifications
Case Drain Ports
2
Case Drain Pressure Max
29 psi (2 bar)
Control Type
DFR1 (Pressure/Flow Control)
Differential Pressure Setting
200 psi (14 bar)
Direction Of Flow
S To B
Inlet Absolute Pressure Max
435 psi (30 bar)
Inlet Absolute Pressure Min
12 psi (0.8 bar)
Max Fluid Temperature
239 F (115 C)
Max Viscosity (short Term)
1600 mm2/s
Min Viscosity (short Term)
10 mm2/s
Mounting Flange Standard
SAE J744
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
Port Flange Standard
SAE J518
Service Port Location
Rear (Version 61)
Through Drive
None (N00)
1620 Old Apex Road
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