Bosch Rexroth | AA10VO71DR31L-VSC92N00-TEST-CODE-000
AA10VO71DR/31L-VSC92N00 Test Code 000
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The AA10VO71DR/31L-VSC92N00 Test Code 000 variable pump belongs to the A10VSO Variable Pumps series and is produced by Bosch Rexroth for hydraulic automation systems that require adjustable flow. It offers a geometric displacement of 71 cm³ per revolution, defining the fluid volume transferred in each cycle. The design supports a nominal pressure of 280 bar and withstands a peak pressure of 350 bar for short periods. When the shaft turns at the maximum speed of 2200 rpm the pump can deliver 41.2 gpm, meeting the demand of medium power circuits. Rotation is fixed in the counter-clockwise direction, so drive coupling must follow that orientation. An ISO 3019-1 two-hole mounting flange positions the housing on standard power units, and the assembly weighs 73 lb which affects handling and bracket design.
The hydraulic connections are arranged for straightforward plumbing: a SAE J518 1 1/4 in inlet port brings oil into the pump, and a SAE J518 3/4 in pressure port sends pressurized flow to downstream components. A 3/4-16 UNF-2B case drain port routes internal leakage back to tank, and the housing pressure must be kept below 2 bar to protect the seals. FKM sealing material is used to withstand common hydraulic fluids and elevated temperatures found in industrial service. The drive side can accept up to 462 lb-ft of input torque, enabling direct coupling to engines or electric motors of matching capacity. Under continuous operation at 280 bar the torque requirement drops to 230 lb-ft, which helps in selecting an efficient prime mover for steady loads.
Technical Specifications
Case Drain Port
3/4-16 UNF-2B
Direction Of Rotation
Counter-Clockwise
Geometric Displacement
71 cm3/rev
Inlet Port
SAE J518 1 1/4 in
Max Case Drain Pressure
2 bar
Max Flow At Max Speed
41.2 gpm
Max Input Torque (s Shaft)
462 lb-ft
Max Speed At Vg Max
2200 rpm
Mounting Flange
ISO 3019-1 2-Hole
Nominal Pressure
280 bar
Peak Pressure
350 bar
Pressure Port
SAE J518 3/4 in
Sealing Material
FKM
Torque At 280 Bar
230 lb-ft
Weight
73 lb
1620 Old Apex Road
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