Non reset flashback arrestors Oxygen or acetylene/fuel or Set of two Product Information Non-resettable flash back arrestors for high flow oxy/fuel gas cutting & welding. They will withstand a series of minor flashbacks & will not react as a consequence of external heat. Can be connected in parallel for greater flow. Fuel gas is acetylene or propane gas, either can be used with the fuels flashback arrestor. Flashback arrestors are a safety essential and must be connected directly to the regulator, the hose is then connector to the flashback. Oxygen flashbacks are right hand thread, fuel flashbacks are left handed to prevent incorrect assembly.
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