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Internal check valves designed to prevent reverse flow and accidental mixing of oxygen and fuel gases, Orch and regulator models provide downstream and upstream protection.
High quality brass construction, case is rugged and corrosion resistant. Solid Brass construction for long life, 100% tested for reliability.
Torch mount model also protects the hose. Flashback arrestors and reverse flow check valves provide additional protection against flashbacks.
Color-coded for gas service to provide added Safety
Fits most the welding/cutting twin hose sets. The acetylene arrestor in this set can also be used for Propane or Mapp gas
Purpose: Prevents a flame from traveling past the flashback arrestor in the event of a flashback. Without these safety devices, it is possible a flash can occur within the hose, and ultimately follow back into the tanks, causing an explosion. This would be an extremely rare occurrence, but flashback arrestors will make it a "never" occurrence. Check valves are only a first line of defense and may not ultimately stop a flashback. Only the flashback arrestors will. Medium: Acetylene/Fuel/Gas Flow:≥8m3/h Package: 2pc Fuel/Acetylene flashback Arrestor Please choose the version you need