Variable Displacement Axial Piston Pump for Closed Circuit

Variable Displacement Axial Piston Pump for  Closed Circuit
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 140
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.

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