1.spot welding gun 2.150A for mixed gas. 3.60% duty cycle. ... 6-12L/min. portable spot welding gun and welding accessories for binzel type, tweco type, bernard type, etc1, rating ... :2, 180A for CO2.3, 150A for mixed gas4, 60% duty cycle5,wire sizes ... , and trade names or trademarks, are for identification and convenience ONLY. spot welding gun and welding accessories with CE