welding gun, Gas cooled (QQ), water cooled (QS) and WP series are ... more than 60 specifications. we can supply many type welding gun.Features: 1) Water cooled2) Rated cyclic duration factor: 60%3 ... ) Airproof performance: no leakage under 0.1MPa6) Many models availbale for your wide choice: QS-150A, QS-160A,QS-200A, QS ... -300A, WP-9, WP-17, WP-26FPacking: Carton TIG Welding Gun for welding machine