Re: Flashback Arrestor, A-Size Fittings, Direct Connection To AW1A
Hi John, I started with both torch and regulator mounted flash arrestors on the fuel side and torch mounted only on the oxygen side with my AW1A torch, but found the resistance to be too high for my Oxygen Concentrator. The Propane side was fine. I've ended up removing the sintered element from the oxygen side torch mounted arrestor just to keep the hose lengths matching. This leaves two arrestors in the fuel line (probably over-cautious) and nothing on the oxygen concentrator - the stored oxygen volume is pretty low in the concentrator so the risk is quite low. Works fine now.
Nic Topping
Melbourne, Australia
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