The A10VSO variable pump is designed for operation with HLP mineral oil according to DIN 51524. Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the start project planning:
▶ 90220: Hydraulic fluids based on mineral oils and related hydrocarbons
▶ 90221: Environmentally acceptable hydraulic fluids
▶ 90222: Fire-resistant, water-free hydraulic fluids (HFDR/HFDU) (for permissible technical data,
see data sheet 90255)
▶ 90223: Fire-resistant, water-containing hydraulic fluids (HFAE, HFAS, HFB, HFC)
▶ 90225: Restricted technical data only for the operation
▶ with fire-resistant, water-free, and water-containing hydraulic fluids (HFDR, HFDU, HFB, HFC)- technical data
Notes on the selection of hydraulic fluid
The hydraulic fluid should be selected so that the operating temperature range’s operating viscosity is within the optimum range (νopt see selection diagram).
| Axial piston unit | Swashplate design, variable, nominal pressure 280 bar, maximum pressure 350 bar | |
| Operating mode | Pump, open circuit | |
| Size (NG) | Geometric displacement (18 28 45 71 88 100 140) | |
| Series | Series 3, index 1 （31） | |
| Direction of rotation | Viewed on driveshaft | clockwise （R） |
| counter-clockwise（L） | ||
| Sealing material | FKM (fluoroelastomer) | V |
| NBR (nitrile rubber) only if using HFA, HFB and HFC hydraulic fluids | P | |
| Driveshaft | standard shaft | S |
| similar to shaft “S” however for higher input torque | R | |
| permissible through-drive torque | P | |
| Mounting flange | 2-hole | A |
| 4-hole | B | |
| Working port | SAE flange port fastening at side, opposite | |
| thread, metric | ||
| Connectors for solenoids | Without connector (without solenoid, with hydraulic control only, without code) | |
| HIRSCHMANN connector – without suppressor diode |
Over the years, we have been committed to producing and researching the Rexroth Axial piston variable pump A10VSO Series 31. We not only provide high-quality machinery and accessories for sale on the market, but we also care about customers’ profits and the impact of machinery on the environment. If you want to know more details, please contact us immediately!
AA10VSO | Bosch Rexroth USA R902503000, A10VSO 140 DFR1 /31R-VPB12N00, 10 / 30 / >30, 10 / 30 / 40, RE-A92711. R902502736, A10VSO 18 DFR /31R-VKC62N00, 10 / >10, 10 / 40.
A10VSO-Series 32 – Variable displacement pumps | Bosch Variable displacement axial piston pump A10VSO, Series 32 in swashplate design is available for hydrostatic drives in an open circuit. The flow is proportional.
Bosch Rexroth Axial Piston Variable Pumps Type A10VSO Hydraulic variable pumps in axial piston swashplate design for hydrostatic drives in an open circuit. All-purpose medium pressure pump; Size: 18.