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The AA10VSO100DFLR/31R-PKC62N00 pump belongs to the A10VSO Variable Pumps series and is produced by Bosch Rexroth for closed-loop hydraulic automation circuitry. Designed as a variable displacement axial piston unit, it supplies adjustable flow to actuators while regulating system states through its DFLR pressure/flow/power control. The displacement is 100 cm³ per revolution, allowing a predictable volume transfer with each shaft turn, and clockwise rotation aligns the shaft with standard right-hand prime movers. Continuous duty is supported at 4,100 psi, while a peak of 5,100 psi accommodates short-term transients. At the nominal pressure the drive must deliver 125 hp, and 328 lb-ft of torque is required at the pump shaft. Rated mechanical speed reaches 2,000 rpm so the unit can match common industrial motor outputs without excessive overspeed.
Maximum theoretical flow reaches 52.8 gpm when the pump operates at full displacement and rated speed, enabling medium-size circuits to move oil efficiently. A permissible overspeed limit of 2,400 rpm applies when displacement is reduced, giving designers extra margin during rapid load changes. The internal case holds 0.580 gal of fluid, which stabilizes temperature and provides splash lubrication for rotating groups. Installation uses an ISO 3019-1 two-hole C-flange to fit directly onto standard bell housings, and SAE UNC flanged working ports are placed on opposite sides for straight-through piping. NBR sealing material is supplied to resist standard mineral hydraulic oils, while the build code indicates no through-drive so additional pumps cannot be piggy-backed to this unit. These construction details simplify mounting and ensure reliable service in power unit assemblies.
Case Volume
0.580 gal (2.2 L)
Control Type
DFLR Pressure/Flow/Power
Direction Of Rotation
Clockwise (R)
Displacement
100 cm³/rev (6.10 in³/rev)
Max Flow
52.8 gpm (200 L/min)
Max Perm Speed (vg<max)
2400 rpm
Max Speed (vg Max)
2000 rpm
Maximum Pressure
5100 psi (350 bar)
Mounting Flange
ISO 3019-1 2-hole (C)
Nominal Pressure
4100 psi (280 bar)
Power At 4100 Psi (nnom)
125 HP (93 kW)
Sealing Material
NBR (code P)
Through Drive
None (N00)
Torque At 4100 Psi
328 lb-ft (445 Nm)
Working Ports
SAE Flange UNC, Laterally Opposite (62)
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