Introduction 

The HVOF 5220 gun is designed for the liquid fuel supersonic thermal spraying process and is considered the benchmark and classic equipment in the supersonic thermal spraying industry. This gun model is assembled with rugged parts to ensure durable and low-frequency maintenance quality. Different barrel options, quick and reliable replacement.

Customer Value 

Technical Parameters 

5220 gun wearing parts  

The 4inch/6inch and 8inch barrels are the most common for HVOF equipment.

Application, powder type, and spray parameters determine barrel selection.

The coaxial stabilizer assembly (P/N 600392) is the most critical part of the 5220 Gun. Fuel is atomized into fine droplets by the oxygen in

the coaxial stabilizer. VULCAN’s coaxial stabilizer is manufactured, assembled, and tested at our facility. The tests are performed on a calibrated AP-5000® system to internal

specifications.

The coaxial stabilizer assembly includes the main stabilizer body, adaptors,

fittings, check valves, coaxial tube assembly and spark plug assembly.

Test requirements on the coaxial stabilizer assembly include a check

and pass process at given flows on a calibrated console:

Check:                                            Pass:

• Pop-Back                                    • Pop-Back                     

• O² Back Pressure                         • Pressure Valves Remain Constant                          

• Combustion Back Pressure            • Stable Flame      

• Fuel Pressure                               • Smooth, Consistent starts

Coaxial stabiliser assembly

The combustion pressure heat tube assembly (P/N 600464) is a component for the 5220 gun connecting the combustion line to the coaxial stabilizer. If extreme heat passes through the stabilizer into the combustion line, this assembly reduces the temperature, prolonging the life of other components. VULCAN’s combustion pressure heat tube assembly is manufactured to the latest revision level avail able exclusively from VULCAN.

Combustion Pressure Heat Pipe Assemblies