High Flow Regulator Mount Fuel Gas Flashback Arrestor With Built-In Check Valve. This FBA has standard 9/16" class "B" Fittings and are designed to attach to the regulator.
Prevents revers flow of gases with built-in check valve & thermal cut-off, & extinguishes flashback fire with stainless sintered element. Internal valve and spring are made from stainless steel for longer life. All Flame Tech Flashback Arrestors are 100% tested, conform to OSHA regulations and are U.L. Listed.
Arc-Zone.com Strongly Recommends the Use of Flashback Arrestors for All Oxy-Fuel Applications.
Please note: Flashback arrestors also contain check valves. Do not use Flashback arrestors along with separate check valves as this will greatly decrease the gas flow.