Improve quality, save money and reduce downtime by repairing instead of replacing equipment

By extending equipment life with coatings that rebuild diameters and reduce future wear and corrosion, while having all the work performed under one roof.

HOW?

HFW has the unique ability to combine thermal spray coatings and weld overlays with precision machining, precision finishing and assembly.

These capabilities give us the capacity to repair and manufacture parts beyond mend.

Typical repair applications include:

• Centrifuges
  • Scrolls/Bowls/Heads
• Pumps (Vacuum / Liquid)
  • Rotors/ Cases/ Various Components
• Gearbox Covers
  • Repair worn bores
• Bearing Housings
  • Thrust and Radial, plus Seal Housings
• Mixers/ Agitators
  • Shafts/ Paddles/ Blades/ Complete Assemblies
• Valves
  • Guides/ Bodies/ Stems
• Compressors
  • Reciprocating- Cylinders/ Piston Rods/ Pistons
  • Turbo- Shafts/ Rotor Assemblies

Application Example: Vacuum Pump

After pump disassembly and cleaning our scope was as follows…

• Shaft and Rotor Assembly- Machine drive, seal and packing sleeve diameters and machine to prepare cone fits of rotor for coating.  Thermal spray with Hastelloy C and finish.
• Cones- Thermal spray with Hastelloy C and finish grind to assure proper fit with rotor.
• Heads- Pressure test, machine inboard face and pilot diameter for coating and thermal spray with Hastelloy C and finish.
• Assembly- Assemble complete including bearings, seals, gaskets and packing along with dynamic balancing and painting as required.