Variable Displacement Axial Piston Pump for Closed Circuit
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The HL-A8V variable displacement pump is designed to handle high-load applications with precision and efficiency in closed-loop hydraulic systems. Built to meet the demands of industrial and heavy-duty machinery, it ensures consistent performance and optimal power delivery under varying operational conditions.
- Displacement 140 cm³/rev
- Nominal pressure 350 bar
- Max. allowable pressure 400 bar
Technical Data
| Size | ||||
| Displacement | Vg max | cm³/rev | 2*140 | |
| Vg min | cm³/rev | 0 | ||
| Gear ratio i = n input/n rotary groups | 1 | |||
| Input speed | at Vg max | nmax1 | rpm | 2100 |
| at Vg ≤ Vg max | nmax | rpm | 2450 | |
| Flow | at nmax and Vg max | qv max | L/min | 2*294 |
| Power | at nmax, Vgmax and Δp=350 bar | Pmax | kW | 294 |
| Input torque | at Vgmax and Δp=350 bar | Tmax | Nm | 1337 |
| Rotary stiffness (single rotary group) | Vg max to 0.5•Vg max | cTW | Nm/rad | 41408 |
| 0.5•Vg max to 0 (interpolated) | cTW | Nm/rad | 146677 | |
| Moment of inertia for rotary group | with power take-off, without attachment pump | JTW | kgm² | 0.0581 |
| without power take-off (PTO) | JTW | kgm² | 0.05 | |
| Angular acceleration (single rotary group) | α | rad/m² | 7500 | |
| Mass (approx.) | m | kg | 146 | |
Features
- Dual Variable Pump Design Two variable displacement pumps housed in a single unit maximize efficiency and reduce system complexity.
- Integrated Transfer Gearbox Allows direct mounting on prime movers with an SAE flange for a compact and effective setup.
- Proportional Flow Control Flow rate adapts in real-time to speed and displacement, ensuring smooth hydraulic operation.
- Versatile Control Options Multiple regulation modes allow fine-tuned performance for a wide range of applications.
- Compact and Maintenance-Friendly Designed for easy installation and servicing, minimizing downtime.
- Built for High-Pressure Applications Engineered to handle impact loads and extreme working conditions, ensuring long-term durability.
- Control Mode LL, SR
Applications
Construction Machinery
This axial piston pump brings the precision, reliability, and adaptability your hydraulic system requires. Contact us today to find the best configuration for your application.