HVOF Coating Service
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High Velocity Oxy Fuel (HVOF) devices are a subset of flame spray. There are two distinct differences between conventional flame spray and HVOF. HVOF utilizes confined combustion and an extended nozzle to heat and accelerate the powdered coating material. Typical HVOF devices operate at hypersonic gas velocities, i.e. greater than MACH 5. The extreme velocities provide kinetic energy which help produce coatings that are very dense and very well adhered in the as-sprayed condition.BENEFITS :- Low porosity (10000 psi) Uniform repeatability Low operating cost Higher particle velocities Stable deposition rate Controlled coating thickness Safety interlocks TYPICAL HVOF APPLICATIONS :- Hydro Power – Pelton, Seat, Runner, Francis turbine etc. Thermal Power – Boiler tube, ID Fan, Barrel etc. Aerospace – Landing gear Paper Industry – Rolls General – Shafts, Bearing, Rollers, Rings, Valves – Ball Valve, Gate Valve etc.