Flashback Arrestor Bodies and Assemblies are available for special applications.  Flashback Arrestor Bodies consist of ¼ F and ¼ NPTM connections.  Assemblies for Adaptors and Pigtails consist of standard CGA connections on both the inlet and outlet sides of a Flashback Arrestor Body.  Western also offers assemblies with ball seat check valves for the inlet side of the Flashback Arrestor Body.
Flashback Arrestor Bodies extinguish flashes or flames before they reach the cylinder.  Flashback Arrestor Assemblies are designed for installation of acetylene cylinders to prevent flashbacks into the cylinder.
These Flashback Arrestor Bodies/Assemblies can be used in any lead not exceeding 3/8" pipe size which connects an acetylene cylinder to a regulator, manifold or other equipment.  Rated flow capacity is 40 SCFH with a 5 PSIG pressure drop.  These units are factory assembled and 100% tested for service.