TPN inner hole Weld Head

TPN weld head is specially designed for inner hole TIG welding. TPN19 can weld tube ID ≥ 19mm carbon steel and stainless steel without wire feeding. TPN25 can weld tube ID ≥ 25mm carbon steel and stainless steel without wire feeding or add wire after autogenous welding. They are compatible with HUAHENG iOrbital4000 and iOrbital5000 powersource to apply in various industries.