Industrial Hydraulics

with documentation and to your specific needs

including fabrication & testing, with support in troubleshooting & training.

L&H has 75 years of experience designing unique and complex systems. We are total solution providers.

• Single pump 1 gallon units to multi-pump 5000 gallon units
• In-house engineering to develop custom systems
  • 3D design and full documentation
  • Validation testing
  • Contamination control
• Power from 1/2 HP to 1700 HP
• Energy efficient designs using horsepower limiting pumps
  with load sense control
• Full integration of controls, operator interface, and system monitoring
• Sytronix – variable speed pump drives
  • Energy savings to 80%, noise reduction, reduced heat
    generation, multi-ethernet control
  • Drop-in pressure and motor speed control of variable
    piston pumps to 200 HP and 85 gpm
  • Full control of pressure

• Hydraulic power unit rebuild, rework, and modernization
• Energy savings – electronic pressure and flow pump control
• Upgrade systems to closed loop motion control of pressure, flow, speed, and position
• Improve filtration and heat removal
• Troubleshooting and diagnostics
• Simplify maintenance and minimize system downtime

• Consolidate valves and components
• Custom design for your application
• Flows up to 2,000 gpm with pressures up to 10,000 psi
• Integrated hydraulic valve manifolds, circuit manifolds and custom valve stands

• Filtration
  • Return, pressure, and off-line loops for any size flow
  • Monitor contamination, pressure drop, and filter life
  • Filtration and water removal carts
• Accumulators and accumulator stand assemblies
  • Diaphragm to 1 gallon and 10,000 psi
  • Bladder to 15 gallon and 10, 000 psi
  • Piston to 100 gallon and 10,000 psi
  • Accumulator safety blocks with relief and zero state dump valves

• Power – up to 300 HP 460 VAC 3 Phase
• Flow – up to 300 gpm
• Full instrumentation (pressure, flow, temperature, noise,
  speed, and position)
• FAT/ Witness testing on-site and output data for validation
• Digital test results

• Medium to Heavy-Duty NFPA tie rod cylinder options available from 1.5” through 24” bore sizes with pressure ratings ranging from 1800psi on Medium-Duty to 3,000psi on Heavy-Duty
• Variety of mounting styles available
• Choose from mill type cylinders, press cylinders, double-welded cylinders and custom designed cylinders
• Cylinder repair options available

• Wide range of high pressure pumps and motors to fit any industrial application
• Range of hydraulic pumps from internal and external gear pumps to axial piston pumps, gerotor pumps, vane pumps, radial piston pumps and electro-hydraulic pumps
• Range of hydraulic motors from external gear motors to axial piston motors, to Hägglunds radial piston motors