The SIMAX and DEMAX series of flashback arrestors provides a full range of dry (no water or fluid to check or replenish) flashback, gas reverse flow and hose burn back protection in a compact, economical package. They are approved safety devices under ANSI Z49.1:2012 safety guidelines and help meet OSHA, NFPA and other strict industry safety standards. They are ideal for high volume gas flow applications in pipelines and manifolds. The best protection for your high-flow processes, without the high costs or checking liquid levels. Thermal shut off protection against burn backs and multiple flashbacks. More compact than liquid arrestors. Many different connections and flow rate options.