1.spot welding gun 2.150A for mixed gas. 3.60% duty cycle. 4. ... . 5.gas flow rate:6-12L/min. portable spot welding gun and welding accessories for binzel type, tweco type, bernard type ... ,MB501D,MB601D,MB602,MB61GD.8,welding torch,3M,4M,5M.9,we use best quality cables.10, there is no way ...