Cutting Torch Check Valves Purox 045 wire on Tweco style

045 wire on Tweco style #3 and #4 mig welding guns

"A" sized fittings are common on port a torch outfits & jewelry torches

The elastic bands flexible &amp

42 and 43 plasma torches

The are resin bonded for long life and water resistant

Cutting Torch Check Valves Purox 045 wire on Tweco styleCutting torch check valves fit on the end of the torch between the torch and twin 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.