Hydraulic Piston Pump, Model HL-A4VSG
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(40-500cm³/rev variable displacement axial piston pump for closed circuit)
The HL-A4VSG variable displacement pump is designed for closed-loop hydraulic systems, delivering precise control and high-pressure power output for industrial equipment and construction machinery.
- Displacement 40-500 cm³/rev
- Nominal pressure 350 bar
- Max. allowable pressure 400 bar
Technical Data (Size 40 - 180)
| Size | ||||||
| Displacement | Vgmax | cm³/rev | 40 | 71 | 125 | 180 |
| Max. rotation speed | nmax | rpm | 3700 | 3200 | 2600 | 2400 |
| Max. flow | at n=nmax | L/min | 148 | 227 | 325 | 432 |
| at n=1500rpm | L/min | 60 | 107 | 186 | 270 | |
| Max. power Δp=350 bar | at n=nmax | kW | 86 | 132 | 190 | 252 |
| at n=1500rpm | kW | 35 | 62 | 109 | 158 | |
| Max. torque | Δp=350 bar | Nm | 223 | 395 | 696 | 1002 |
| Torque | Δp=100 bar | Nm | 64 | 113 | 199 | 286 |
| Weight | approx. | kg | 47 | 60 | 100 | 116 |
Technical Data (Size 250 - 500)
| Size | |||||
| Displacement | Vgmax | cm³/rev | 250 | 355 | 500 |
| Max. rotation speed | nmax | rpm | 2200 | 2000 | 1800 |
| Max. flow | at n=nmax | L/min | 550 | 710 | 900 |
| at n=1500rpm | L/min | 375 | 533 | 750 | |
| Max. power Δp=350 bar | at n=nmax | kW | 321 | 414 | 525 |
| at n=1500rpm | kW | 219 | 311 | 438 | |
| Max. torque | Δp=350 bar | Nm | 1391 | 1976 | 2783 |
| Torque | Δp=100 bar | Nm | 398 | 564 | 795 |
| Weight | approx. | kg | 214 | 237 | 352 |
| Size | Displacement (cm³/rev) | Max. speed (rpm) | Max. Flow (L/min) | Max. Power(kw) Δp=350 bar | ||
| n=nmax | n=1500rpm | n=nmax | n=1500rpm | |||
| 40 | 3700 | 148 | 60 | 86 | 35 | |
| 71 | 3200 | 227 | 107 | 132 | 62 | |
| 125 | 2600 | 325 | 186 | 190 | 109 | |
| 180 | 2400 | 432 | 270 | 252 | 158 | |
| 250 | 2200 | 550 | 375 | 321 | 219 | |
| 355 | 2000 | 710 | 533 | 414 | 311 | |
| 500 | 1800 | 900 | 750 | 525 | 438 | |
Features
- Engineered for High-Performance Applications Designed for industrial and mobile equipment requiring accurate pressure and flow control.
- Axial Piston Variable Displacement Pump Uses a swashplate mechanism for infinitely adjustable displacement.
- Flow Proportional to Speed and Displacement Ensures smooth and consistent hydraulic output.
- Handles High Operating Pressure Supports pressures up to 35 MPa, making it suitable for demanding conditions.
- Exceptional Suction Performance Optimized for continuous and stable operation.
- Compact and Lightweight Design Reduces system footprint while maintaining high power output.
- Low-Noise Operation Designed to minimize vibration and enhance efficiency.
- Hydrostatic Balanced Shoes Improve durability and wear resistance.
- Fast Response Control Provides rapid system adjustments for dynamic applications.
- Integrated Swashplate Angle Indicator Allows for precise monitoring and adjustments.
- Control Mode DR, DP, FR, DFR, LR2, MA, HM, HS, EO, HD, DFE1
Applications
Mining and Quarrying Equipment
Marine and Offshore Equipment
Metallurgical and Steelmaking Equipment
To boost the efficiency and reliability of your closed-circuit hydraulic system, consider this advanced axial piston pump. Contact us today to find the right solution for your application.