Oxygen Flashback Arrestor, Flashback arrestors with different size and flow rate, and different connections A flashback arrestor[1] or flash arrestor is a gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line. High Flow Flashback Arresters— High-flow arresters give you twice the airflow rate compared to standard flashback arresters when they’re used at the same inlet pressure. g hoses, regulators and gas cylinders). Mar 5, 2026 ยท A flashback arrestor prevents gas from flowing backward toward the source, reducing the risk of flame flashbacks and explosions during welding or cutting. It protects the user and equipment from damage or explosions. Its durable construction and combined flame arrestor and non-return valve ensure safe, dependable performance when mounted directly at the torch. Harris offers both regulator and torch check valves and flashback arrestors for use with oxygen and fuel gases. The flashback arrestors are built, conforming to: EN 730/ISO 5175 and with BAM Certification no. WITT flashback arrestors or flame arrestors are used to protect single cylinders, outlet points or pipelines and can be used for almost all technical gases such as acetylene, propane, propylene, ethylene, methane, hydrogen or oxygen. The flashback arrestor is made of pure copper, which is sturdy and durable. ton, xofsvhlg, kbxl, av, oq6x, lk0ue, ba, tp1w, gvvjfznu, inw,