Regulator Check Valve Set Other Home & Garden The control valve is solid

The control valve is solid brass

3/32 x 7 2% Thoriated Tungsten 10 pk

MB-3 (Size 3) – Suited for heavier brazing applications requiring more heat output

Reese Stainless Dual Bent Pin Lock for 1/2 and 5/8"

Cone style Welding Tip that fits D-50-C

Regulator Check Valve Set Other Home & Garden The control valve is solidRegulator 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.