... MANPOWER INPUT;4.AUTOMATION LEVEL HIGH; 5.SAVE Orbital Automatic Pipe Welding Machine(GTAW/TIG) Spec & Model: PAAWM-1HC/03C/06C/ ... vessel, shipping, food machine, atomic power, etc.Scope of applicable: O.D. φ16mm~φ230mm, and pipe-pipe, pipe-elbow, pipe-flange, pipe-valve body etc ... mode: water-cool Technical Description Standard Type Diameter of pipe:Φ16-40,Φ36-90,Φ70-160,,Φ140-230Wall thickness of ...