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A10VSO series 31 Variable Axial piston pumps , Open circuit Medium pressure pump

Place of Origin China
Brand Name Bosch Rexroth
Certification GS, RoHS, CE, ISO9001
Model Number A10VSO71DFR1
Minimum Order Quantity 1 pcs
Price discussible
Packaging Details Wooden box
Delivery Time 5days
Payment Terms L/C, T/T, D/P, Western Union, Paypal, Money Gram
Supply Ability 500pieces/Year

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Product Details
Features Excellent Suction Performance Sizes 18 To 140
Nominal Pressure 280 Bar Maximum Pressure 350 Bar
Function Axial Piston Variable Pump Performance Open Circuit
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Product Description

A10VSO series 31 Variable Axial piston pumps , Open circuit Medium pressure pump

Control device

Filtration of the hydraulic fluid
Finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit.
A cleanliness level of at least 20/18/15 is to be maintained according to ISO 4406.
At very high hydraulic fluid temperatures (maximum 110 °C, measured at port L, L1), at least a cleanliness level of 19/17/14 according to ISO 4406 is necessary.
Please contact us if the above classes cannot be observed.

DFR/DFR1 – Pressure flow controller
In addition to the pressure controller function (see page 11), a variable orifice (e.g. directional valve) is used to adjust the differential pressure upstream and downstream of the orifice. This is used to control the pump flow.
The pump flow is equal to the actual hydraulic fluid quantity required by the consumer. With all controller combinations, the Vg reduction has priority.
  Basic position in depressurized state:Vg max.
  Setting range1) to 280 bar.
  For pressure controller data see page 11

Technical data

Size 18 (A10VSO).

Sizes 28 to 140 (A10VO).

Nominal pressure 280 bar.

Maximum pressure 350 bar.

Open circuit.


Variable pump with axial piston rotary group in swashplate design for hydrostatic drives in open circuit.

The flow is proportional to the drive speed and displacement.

The flow can be infinitely varied by adjusting the swashplate angle.

2 drain ports.

Excellent suction performance.

Low noise level.

Long service life.

Favorable power/weight ratio.

Versatile controller range.

Short control time.

The through drive is suitable for adding gear pumps and axial piston pumps up to the same size, i.e., 100% through drive.



A10VSO series 31 Axial piston variable pumpA10VSO series 31 Axial piston variable pump