... energy etcApplicable scopeApply to tube diameter from16mm-300mm, tube-pipe,tube-elbow,the tube - flanges, tube-valves, carbon steel, alloy ... one or several welding headSuitable for various kinds of pipe-pipe joint and various groove form ;Wire unit according to working ... integration design, mobile freedom, equipped with small toolbox and argon gas bottle seat.Main technical Specification Rated input ...