Variable Displacement Axial Piston Pump for Open Circuit
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The HL-A10VSO variable displacement pump is designed to bring efficient and high-pressure hydraulic power to your open-loop system. Whether you're handling heavy loads or operating under high pressure, this pump delivers smooth and reliable performance to keep your equipment running at its best.
- Displacement 18-140 cm³/rev
- Nominal pressure 280 bar
- Max. allowable pressure 350 bar
Technical Data
| Size | |||||||||
| Geometric displacement | Vgmax | cm³/rev | 18 | 28 | 45 | 71 | 100 | 140 | |
| Max. rotation speed | nomax | rpm | 3300 | 3000 | 2600 | 2200 | 2000 | 1800 | |
| Max. rotation speed (as inlet pressure Pabs increases and Vg < Vgmax) | nomax | rpm | 3900 | 3600 | 3100 | 2600 | 2400 | 2100 | |
| Max. flow | at no max | qvo max | L/min | 59.4 | 84 | 117 | 156 | 200 | 252 |
| at nE=1500rpm | L/min | 27 | 42 | 68 | 107 | 150 | 210 | ||
| Max. power Δp=280 bar | at no max | Po max | kW | 27.7 | 39 | 55 | 73 | 93 | 118 |
| at nE=1500rpm | kW | 12.6 | 20 | 32 | 50 | 70 | 98 | ||
| Torque at Vg max (Δp=280 bar) | Tmax | Nm | 80.1 | 125 | 200 | 316 | 445 | 623 | |
| Torque at Vg max (Δp=100 bar) | T | Nm | 28.6 | 54 | 72 | 113 | 159 | 223 | |
| Moment of inertia for drive shaft | J | kgm² | 0.00093 | 0,0017 | 0,0033 | 0,0083 | 0,0167 | 0,0242 | |
| Case volume | L | L | 0.4 | 0,7 | 1,0 | 1,6 | 2,2 | 3,0 | |
| Weight without hydraulic oil | m | kg | 12 | 15 | 21 | 33 | 45 | 60 | |
Features
- axial piston variable displacement pump Flow rate adjusts in proportion to drive speed and displacement, ensuring precise hydraulic control.
- ISO/SAE standard mounting flange Designed for seamless installation in your existing system.
- SAE flange connections Compatible with both metric and UNC-threaded bolts for secure assembly.
- dual housing drain ports Enhances installation flexibility and improves cooling.
- superior suction performance Keeps hydraulic fluid flowing efficiently, preventing cavitation.
- low-noise operation Minimizes vibration and noise levels, making your work environment more comfortable.
- long service life Built with high-quality materials to withstand demanding conditions.
- axial and radial load capability Engineered to handle heavy loads and ensure long-term durability.
- high power-to-weight ratio Compact and lightweight without compromising performance.
- fast response time Quickly adapts to system demands, providing smooth and efficient operation.
- through-drive capability Enables integration into multi-circuit systems, expanding functionality.
- Control Mode DR, DRG, DFR, DFR1, DFLR
Applications
Mining and Quarrying Equipment
Marine and Offshore Equipment
Metallurgical and Steelmaking Equipment
Construction Machinery
This axial piston pump is built for efficiency, durability, and precise control—contact us today to find the best fit for your system.

