Hydraulic Piston Pump, Model HL-A8V
(140cm³/rev variable displacement axial piston pump for closed circuit)
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