Bosch Rexroth | AA10VO60DFR152L-VSD62N00
AA10VO60DFR1/52L-VSD62N00
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The AA10VO60DFR1/52L-VSD62N00 variable displacement pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for hydraulic automation loops that need controlled flow. Its DFR1 control adjusts displacement in response to load so system pressure stays within limits. Continuous operation is rated for a nominal pressure of 4000 psi (280 bar), while short spikes can reach a peak pressure of 5100 psi (350 bar). The control spool holds a differential pressure of 200 psi (14 bar) to keep the swashplate stable, and a maximum differential setting of 320 psi (22 bar) provides extra margin when faster response is required. The inlet can accept absolute pressures up to 435 psi (30 bar), which suits boosted charge circuits. Flow travels from port S to port B, and the drive shaft turns counterclockwise, so piping and engine coupling must follow this rotation.
An SAE J744 mounting flange lets the pump bolt directly to standard power take-off housings, while SAE J518 port flanges support rigid tube connections; both ports sit on the side in Version 62 to keep hoses accessible inside tight frames. The pilot circuit consumes no more than 0.8 gpm (3 L/min), conserving auxiliary flow, and attaches through a 7/16-20 UNF-2B threaded pilot port for common test fittings. Case pressure should not exceed 7 psi (0.5 bar) above inlet to protect the shaft seal, and absolute case pressure must stay below 29 psi (2 bar) to maintain bearing lubrication. Because the design includes no through drive, this unit occupies the final position in a pump stack and cannot pass mechanical power to additional pumps.
Technical Specifications
Case Drain Above Inlet Max
7 psi (0.5 bar)
Case Drain Abs Max
29 psi (2 bar)
Control Type
DFR1
Differential Pressure Max Setting
320 psi (22 bar)
Differential Pressure Standard
200 psi (14 bar)
Flow Direction
S To B
Inlet Pressure, Abs Max
435 psi (30 bar)
Mounting Flange Standard
SAE J744
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
Pilot Fluid Consumption Max (dfr1)
0.8 gpm (3 L/min)
Pilot Port Thread
7/16-20 UNF-2B
Port Flanges Standard
SAE J518
Port Orientation
Side (Version 62)
Rotation
Counterclockwise (L)
Through Drive
None
1620 Old Apex Road
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