Check Valves prevent reverse flow of gases which can cause dangerous mixtures. Use of check valves between the torch and the regulator at all times is strongly recommended. They are easily attached to any regulator outlets with standard 9/16" connections. Sold in pairs: one for fuel regulator, one for oxygen regulator.
Ideal for use with jewelry making torches
Prevents reverse flow of gases
Attach to regular outlets with standard 9/16 inch connectors
Includes 2 valves
One valve for fuel regulator and one for oxygen regulator
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