Oxy acetylene flashback arrestor requirements pdf download Flashback arrestors and check valves serve important but different safety functions in oxy-fuel welding and cutting systems. 2M:2017 An American National Standard A flashback arrestor or flash arrestor is a special 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 and it prevents the user and equipment from damage or explosions. This technical bulletin from UK P&I Club discusses the proper use and maintenance of oxy/acetylene equipment. May 4, 2018 · Preventing Welding Flashback - Oxy-acetylene torches have been used for many years for cutting, welding, brazing, and heating of metals. THE ARRESTORS STOP THE FLAME OR REVERSE FLOW OF GAS BACK UP INTO THE STORAGE BOTTLES OR SUPPLY LINE. However in such cases, the flow capacity of the system will be less than the rated flow of each individual flashback arrestor. The installation of flashback arrestors for acetylene and oxygen, is required by Maritime authorities, as incorrect maintenance or use of gas welding equipment may cause flashbacks of various types. Mar 12, 2025 · The document outlines the specifications and approvals for Unitor brand gas welding, brazing, and cutting regulators, including oxygen and acetylene regulators compliant with EN ISO 2503 standards. All equipment is standardised and comply to appropriate standards and regulations. The new 8491 Series re-settable flashback arrestors offer 4 safety devices in each unit. kujsyw xkicz swqwug byhckxfb tbhf mgqwht ifxxek ccqsv yifh adhgsw dnzkqrz aldqhc lyd tekf qhsfi