Hydrostatic Closed Loop

Hydrostatic Closed Loop

The LHY Powertrain HPV-02 Series is a high-pressure closed-loop axial piston pump designed for demanding applications like construction, agriculture, and mining.

Key Specs:
Displacement: 54.7 cc – 281.9 cc/rev
Max Pressure: 500 bar
Speed Range: 2,300 – 4,150 rpm
Torque: 374 – 1,929 Nm
Power Output: Up to 485 kW

Features:
Compact & High Power Density
Fast Dynamic Response & Precise Servo Control
Integrated High-Pressure Relief & Boost Valves
Multiple Control Options: Mechanical, Hydraulic, Electro-Hydraulic
Tandem/Multiple Pump Configurations Available

Advantages
  • Compact Design
  • High Power Density
  • Dynamic Response
  • High Reliability
  • Long Service Life
  • Noise-Optimized
  • Precise And Load-Independent
Design Characterstics
  • Axial Piston Pump In Swashplate Design For High Pressure Closed Loop Systems 
  • Clockwise Or Counter Clockwise Rotation
  • Exact And Rugged Servo Control Devices (Mechanical, Hydraulic, Electro-Hydraulic) 
  • Integrated High Pressure Relief Valves With Make-Up Function
  • Integrated Low Pressure Relief Valves For Boost, Control And Cooler Circuits
  • Replaceable Cartridge Filter
  • SAE High Pressure Ports
  • SAE Mounting Flange With ANSI Or SAE Spline Shaft
  • Trough Shaft SAE A, B, B-B And C
  • Charge Pressure Pumps For Internal And External Suction, Integrated Cold Start Relief Valve Optional
  • Optional Tandem And Multiple Pumps
Controls & Control Options
Controls
  • M1R Mechanical Lever
  • H1 Hydraulic Pilot
  • E1 Electro-Hydraulic
  • E2 Electro-Hydraulic With Enable Function
  • E5 Electro-Hydraulic, 3 Position
  • CA Speed Related Hydraulic Mechanical With Torque-/Power Limiter

Control Options

  • Power Limiter
  • Pressure Cut-Off

Technical Data
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LHY Hydrostatic Closed Loop Pumps