... vessel, ship, food machinery, atomic energy etcApplicable scopeApply to tube diameter from16-300mm, tube-pipe,tube-elbow, Tube ... and characteristicsWelding head have five specifications, according to dimensional condition and product range can choose one ... conditions limits, cooling fully, reliable convenientMain technical Specification Rated input voltage380vRated welding voltageTIG welding, 22.6VRated ...