Bosch Rexroth | AA10VSO100DFR31R-VKC62K07
AA10VSO100DFR/31R-VKC62K07
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The AA10VSO100DFR/31R-VKC62K07 pump belongs to the A10VSO Variable Pumps series and is produced by Bosch Rexroth for closed-loop hydraulic automation. A DFR hydraulic pressure and flow controller adjusts the swashplate to regulate output according to system demand. The unit displaces 100 cm³ per revolution, providing medium delivery rates while maintaining a clockwise direction that aligns with right-hand prime movers. At its nominal speed of 2000 rpm it operates continuously at 280 bar, and this combination yields a maximum flow of 200 l/min for cylinders and motors. HLP mineral oil complying with DIN 51524-2 is the specified working fluid to ensure stable viscosity and component lubrication. Cold start capability extends to −25 °C (−13 °F) so equipment can be engaged in sub-zero environments without damage.
The hydraulic circuit can tolerate brief excursions to a peak pressure of 350 bar, giving headroom for transient load spikes. If additional throughput is required, the pump can run up to 2400 rpm, and at 280 bar that speed range supports a power draw of 93 kW and a corresponding shaft torque of 445 Nm. Thermal design allows continuous service up to +110 °C (+230 °F) so the unit remains stable near hot engines or radiators. Suction lift is limited to 800 mm (31.5 in), guiding reservoir placement to prevent cavitation. FKM seals are fitted to withstand elevated temperatures and mineral oil exposure, completing the specification set for reliable industrial duty.
Technical Specifications
Cold Start Min Temperature
−25 °C (−13 °F)
Control Type
DFR (Hydraulic Pressure/Flow)
Direction Of Rotation
Clockwise (R)
Displacement
100 cm³/rev
Hydraulic Fluid
HLP Mineral Oil (DIN 51524-2)
Max Flow At Nominal Speed
200 l/min (52.8 gpm)
Max Operating Temperature
+110 °C (+230 °F)
Max Permissible Speed
2400 rpm
Max Power At 280 Bar
93 kW (125 HP)
Max Suction Height
800 mm (31.5 in)
Max Torque At 280 Bar
445 Nm (328 lb-ft)
Nominal Pressure
280 bar (4100 psi)
Nominal Speed
2000 rpm
Peak Pressure
350 bar (5100 psi)
Seal Material
FKM
1620 Old Apex Road
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