O-ring Ø17.5×1.5mm is a consumable component, which is used in TIG torches Ergo 201/221/401. The gasket, with an outer diameter of 17.5 mm and a thickness of 1.5 mm, ensures the tightness of connections, preventing leaks of gases and liquids. Thanks to its high resistance to chemical and mechanical agents, this o-ring is indispensable in maintaining the correct operation of welding equipment, guaranteeing its reliability and long-term operation.