pta-weldingThis specialized Plasma Transfer Arc welding unit is used in the application of a hard surfacing with a variety of different powders. The ID torch enables us to weld inside bushings of all types to increase endurance and acid resistance. Some typical applications for such equipment are Spiral Rollers, Anvils, Pump Castings, Pump Covers, Hardface Inside Housings, Piping, Valve Stem, Valve Seats, and many more…