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Liquid Nitriding

Liquid nitriding is a subcritical surface enhancement process with one of the longest track records of success of any case hardening technology.

PVD Coatings

PVD coatings involve the deposition of thin (2-10 microns; 0.0001" – 0.0004") films on the surface of tools and components.

Engineered Bushings

HEF bushings are recognized worldwide for their excellent frictional and anti-seizure properties, and ability to withstand high loads.

Hydraulic & Pneumatic equipment

Pump Components: Diverse range of components used in centrifugal; axial; vane; lobe; screw and spindle pumps.

  • Spindles
  • Vanes
  • Lobes
  • Gears
  • Screws
  • Plungers
  • Seals

Valve components: Diverse range of components used in Gate, Ball, Plug, Needle and Butterfly valves.

  • Actuator sub-components
  • Seals
  • Seats
  • Stems
  • Balls
  • Glands
DLC Coatings for Hydraulic & Pneumatic equipment

Advantages of applying the appropriate PVD / DLC coating

  • Excellent sliding wear resistance: superior seal performance for leakage free operations
  • Low PVD coating temperature and 2-4 micron coating thickness: ideally suited for high tolerance pump and valve components - typically used in high-pressure pumping applications.
  • Reduced friction levels:
    • Lower energy consumption
    • Lower operating torque for valve actuation
    • Ability to operate effectively in low lubrication conditions
  • Improved abrasion resistance when handling erosive liquids and slurries
DLC Coatings for Hydraulic & Pneumatic equipment