Oxygen and acetylene return stop assembly. Regulator end 9/16 18 wires

Durable Material: The flash arrester is made of pure copper, making it sturdy and durable.

Operating Pressure: The maximum pressure of the oxygen check valve is 20 bar/290 psi. The maximum pressure of the acetylene check valve is 1.5 bar/21 psi.

Features: The air inlet and outlet threads of the flash arrester are 9/16-18 B.

Check Valve: The one-way valve design ensures that gas flows in only one direction instead of backflow, preventing accidents.

Note: For installation between the regulator and the hoses. The acetylene filter in this kit can also be used for propane or MACP gas.