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A flashback occurs when a flame burns back into the torchu2019s blowpipe and goes back into your gas cylinders via one of the gas lines. Flashback can, at least, burn the inside of your hose and cause damage over time. It can also generate explosions that might hurt people, destroy property, and send dangerous substances into the environment.<br><br>A flashback arrestor is a safety device that prevents a flame from returning to a gas cylinder or gas pipe by cooling or extinguishing the flame. Flashback arrestor testing is one of the most important things to perform once every six months or twelve at lea
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