Bosch Rexroth | AA10VSO140LA6DS32R-VKD72U99E-SO413
AA10VSO140LA6DS/32R-VKD72U99E SO413
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The AA10VSO140LA6DS/32R-VKD72U99E SO413 pump is part of the A10VSO Variable Pumps series manufactured by Bosch Rexroth for adjustable-flow hydraulic automation. Its displacement is 140 cm³ per revolution (8.54 in³/rev), defining volume moved each shaft turn. The unit turns clockwise to match the specified drive direction. When set to full displacement it can operate at up to 1800 rpm, while reducing the swashplate angle permits a maximum of 2100 rpm. At 1800 rpm it delivers 66.6 gpm (252 L/min), so circuit flow can be predicted precisely. Supplying this flow at 280 bar requires 158 hp (118 kW) from the prime mover, and the shaft must transmit 453 lb-ft (623 Nm) of torque under the same load. Installation weight is 132 lb (60 kg).
The hydraulic circuit can be designed around a nominal pressure of 280 bar, with transient peaks allowed up to 350 bar when shock loads occur. The suction side uses a 2 1/2 in SAE J518 port and must receive at least 0.8 bar absolute to keep the pistons flooded. Delivery leaves through a 1 1/4 in SAE J518 pressure port that accommodates the rated flow. Internal leakage exits through a 1 1/16-12 UN-2B case drain, and housing pressure must stay below 2 bar absolute. The working fluid may reach 115 °C (239 °F) without exceeding thermal limits. These values define the external connections and operating window required for stable service.
Technical Specifications
Case Drain Port Size
1 1/16-12 UN-2B
Case Pressure (abs Max)
2 bar (29 psi)
Direction Of Rotation
Clockwise (R)
Displacement
140 cm³/rev (8.54 in³/rev)
Flow At 1800 Rpm
66.6 gpm (252 L/min)
Fluid Temp (max)
115 °C (239 °F)
Inlet Pressure (abs Min)
0.8 bar (12 psi)
Max Speed (reduced Vg)
2100 rpm
Max Speed (vg Max)
1800 rpm
Nominal Pressure
280 bar
Peak Pressure
350 bar
Power At 1800 Rpm (280 Bar)
158 HP (118 kW)
Pressure Port (b) Size
1 1/4 in (SAE J518)
Suction Port (s) Size
2 1/2 in (SAE J518)
Torque At 280 Bar
453 lb-ft (623 Nm)
Weight
132 lb (60 kg)
1620 Old Apex Road
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