... specially used for positioning, assembling and welding for steel pipe & flange, branch pipe & branch flange, ModelZH1013ZH1313ZH1613FunctionsPositioning & WeldingSize of main working table(mm)16500 ... wayNC & CNC systemUSEIdeal CNC equipment specially used for positioning ,assembling &welding between steelpipe and flange,branch pipe and branch flange. Pipe Flange Welding Machine