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MICROJET SYSTEM HVCW High Velocity Wire Spraying

The GMA MICROJET is a New Generation High Velocity Combustion Wire Spray System (HVOFW) which provides supersonic spray velocities, combined with improved heating and melting of the wire particles.
9 Shock Diamonds characteristic of a supersonic flame are visible in the flame. The HVCW technique has great opportunities where near porosity free high quality coatings at the most economical cost is the requirement.
“Recent finds have shown that coating obtained from HVCW technique are similar to or comparable to other High Velocity Spraying Process"

Lower Porosity

High Hardness

High Bond Strength

Excellent Wear Resistance

Good Surface Finish - as sprayed

Thick Coatings (if required)

High Deposition Rate

Fine Finishing Capability

Flow meter Gas flow control

Flash-back arrestors

Safety cooling system

Electric wire feeder Crouzet type or Airmotor

The operating cost of High Velocity combustion wire spray is lowest, compared to other HVOF & Plasma Spray Technique with highest spray rate and quality results.

The system consists of the following main parts:

A complete flame spray installation requires equipment to supply and control compressed air, oxygen, fuel gas and metallizing wire.


The Wire Reel Stand

The Gas Control Unit & Air Control Unit.

The Hose Kit

The Wire Feed Control Unit (pull)

The Gas Flowmeter

The MICROJET GMA Metal Spray Gun