welding gun, Gas cooled (QQ), water cooled (QS) and WP ... with more than 60 specifications. we can supply many type welding gun.Features: 1) Water cooled2) Rated cyclic duration factor: ... choice: QS-150A, QS-160A,QS-200A, QS-250A, QS-300A, QS-350A, QS-400A, QS-500A, QS-600A, QQ- ... 100A, QQ-150A, QQ-160A, QQ-200A, QQ-250A, QQ-300A, WP-9, WP-17, WP-26FPacking: Carton TIG Welding Gun for welding machine