1.The flashback arrestor is Made of high-quality solid brass material, sturdy and durable, with a long service life, and equipped with internal check valves for oxygen and acetylene. 2.Standard specification, suitable for 9/16-18 threads, B size. 3.The maximum bearing pressure of oxygen check valve is 10bar/290PSI The maximum bearing pressure of acetate check valve is 1.5bar/21PSI. 4.For installation between the torch and hoses, fits most the welding/cutting twin hoses. 5.The acetylene arrestor can also be used for Propane or Map gas. Package Included: 1 set Oxygen Acetylene Flashback Arrestors Set Torch .
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