Regulator Check Valve Set Automotive Tools 6013 is commonly used for

6013 is commonly used for automobile bodies

This is not a mig gun itself but merely an extension for an existing gun

National Cylinder Gas Machine Cutting Torch

cast steels

Hi-Vis ANSI Class II Vest Green Large

Regulator Check Valve Set Automotive Tools 6013 is commonly used forRegulator check valves fit on the end of the regulator before the welding hose. They prevent the reverse flow of gas back through the hose toward the tanks. This is a necessary safety measure since most cutting torches as sold without check valves on them to make the price more attractive. These are "B" sized check valves for 3 16, 1 4, 5 16 and 3 8 twin welding hose.