... MANPOWER INPUT;4.AUTOMATION LEVEL HIGH; 5.SAVE Orbital Automatic Pipe Welding Machine(GTAW/TIG) Spec & Model: PAAWM-1HC/03C/06C ... petrochemical, Boiler, refrigeration, medical, voyage, pressure vessel, shipping, food machine, atomic power, etc.Scope of applicable: O.D. φ16mm~φ230mm ... alloy steel, stainless steel and so on materials butt welding of wire feeding or no wire feeding autolysis. Technical ...