... soldering torch consumable for welding spare parts long/short back cap for WP-18 TIG welding torch1 ... series and specifications of welding nozzles,tips,shield cup,,tips are available in our company 4.We ... water cooled etc. Including torch head, back cap, cup gasket, collet, collet body, gas lens body, cable ... , ER309, ER316, ER316L etc) insulatorcutting long/short back cap for WP-18 TIG welding torch