A10VSO71DFLR Tandem Constant Power Axial Piston Pump

A10VSO71DFLR Tandem Constant Power Axial Piston Pump

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

I. Product Overview

The A10VSO71DFLR is a high-performance axial piston variable pump from the German brand Rexroth, featuring a swashplate structural design and specifically tailored for hydrostatic drive systems within open circuits. This pump has a tandem configuration, integrating two pump bodies driven by a common drive shaft, enabling constant power output and meeting the demands for high pressure, high efficiency, and precise control.

II. Product Features

1. Constant Power Control: The DFLR control method indicates that the pump has constant power control functionality, automatically adjusting the output flow rate based on load variations to maintain a constant output power and enhance system energy efficiency.

2. Swashplate Structure: Utilizing a swashplate design, it achieves stepless variable displacement by adjusting the swashplate inclination angle, with the flow rate proportional to the drive speed and displacement. It offers fast response times and high control precision.

3. High Pressure Capacity: The nominal pressure can reach up to 32 MPa (some sources mention a maximum operating pressure of up to 350 bar), enabling it to withstand high-load working conditions.

4. Low Noise and Long Lifespan: Optimized design reduces operational noise while enhancing wear resistance and durability, extending the service life.

5. Strong Drive Shaft Load Capacity: The drive shaft can withstand both axial and radial loads, ensuring pump stability and reliability.

6. High Power-to-Weight Ratio: It delivers greater power within a limited space, meeting the demand for high-performance pumps in engineering projects.

7. Through-Shaft Drive Capability: Supports through-shaft drive, allowing it to be combined with gear pumps or axial piston pumps of the same specifications to form compound pumps, expanding the application scope.

III. Technical Specifications

• Model: A10VSO71DFLR (specific models may vary based on application requirements, such as A10VSO71DFLR/31R-PPA12N00, etc.)

• Nominal Displacement: 71 ml/r

• Nominal Pressure: 32 MPa (some sources mention a maximum operating pressure of 350 bar)

• Control Method: DFLR (constant power control)

• Rotation Direction: Clockwise when viewed from the drive shaft (R)

• Series: 31 Series

• Operating Temperature: 30-90℃

• Suitable Medium: Hydraulic oil

• Material: Cast iron

IV. Application Areas

The A10VSO71DFLR tandem constant power axial piston pump is widely applied in the following fields:

• Industrial Machinery: Hydraulic systems for machine tools, metallurgical machinery, forging machinery, etc.

• Construction Machinery: Hydraulic systems for excavators, loaders, cranes, etc.

• Mining Machinery: Hydraulic systems for crushers, screeners, coal mining machines, etc.

• Other Fields: Such as ship hoisting devices, oil pressure-controlled drilling rigs, injection molding machines, steel and aluminum processing equipment, etc.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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