A10VSO71 Variable Displacement Axial Piston Pump
High-performance hydraulic solution for industrial appliions featuring compact design, high efficiency, and reliable performance.
Product Overview
The Rexroth A10VSO is an axial piston variable displacement hydraulic pump renowned for its compact design, high efficiency, and reliable performance. Widely used in engineering machinery, ships, and industrial equipment.
Technical Specifiions
Core Parameters
- Displacement: 28-140 cm³/rev (140 cubic centimeters per revolution)
- Rated Pressure: 32 MPa (320 bar)
- Maximum Pressure: 350 bar
- Applicable Medium: Hydraulic Oil
- Temperature Range: 30°C to 90°C
- Installation: Flange Mounting
Working Principle
Variable displacement achieved by changing the swashplate angle, enabling stepless adjustment of pressure and flow rate output.
Key Features
- High efficiency with advanced axial piston design
- Smooth operation and long service life
- Variable control for automatic or manual flow adjustment
- Energy-efficient operation reducing power loss
- Compact and lightweight design for easy installation
- Compatible with both open and closed hydraulic systems
Appliions
Ideal for equipment requiring stable and reliable hydraulic power sources:
- Marine: Deck machinery (anchors, winches), servo systems
- Construction Equipment: Concrete pump trucks, rollers, pavers
- Industrial Machinery: Automated production lines requiring efficient hydraulic drive
Product Configuration
Available in multiple versions and configurations:
Standard Versions
| Size (NG) |
18 |
28 |
45 |
71 |
88 |
100 |
140 |
| Standard Version |
Available |
Available |
Available |
Available |
Available |
Available |
Available |
| High-speed Version |
- |
- |
Available |
- |
Available |
- |
H |
Control Options
| Control Type |
Code |
| Two-point control, direct operated |
DG |
| Pressure controller hydraulic |
DR |
| Flow controller hydraulic (X-T open) |
DFR |
| Pressure-flow power control |
DFLR |
Hydraulic Fluid Requirements
Designed for operation with HLP mineral oil according to DIN 51524. Optimal operating viscosity range: 36 to 16 mm²/s.
Viscosity and Temperature Guidelines
| Operation |
Viscosity |
Temperature |
| Cold Start |
≤ 1600 mm²/s |
≥ -40°C |
| Continuous Operation |
400 to 10 mm²/s |
-25°C to +110°C |
| Short-term Operation |
≥ 7 mm²/s |
Maximum 115°C |
Note: Maximum component temperature should not exceed 115°C. Maintain cleanliness level of at least 20/18/15 according to ISO 4406.
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