Regulator Check Valve Set Automotive Tools National Cylinder Gas Machine Cutting

National Cylinder Gas Machine Cutting Torch

Hi-Vis ANSI Class II Vest Green Large

or Natural Gas

or ranchers

Marquette model M12222 is a 15' Euro Mig Welding Gun Extension

Regulator Check Valve Set Automotive Tools National Cylinder Gas Machine CuttingRegulator 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.