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2006-07-31, 8:42am
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Dangerous Woman
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Join Date: Nov 21, 2005
Location: Southcentral PA
Posts: 5,018
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flashback arrestor
I read somewhere that you don't need a flashback arrestor if you have a certian kind of torch. I can't remember if it was premix or surface mix. I have a Lynx Which is that? Do I need a flashback arrestor?
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Nancy
May your torch burn brightly and your oxy never run out. - Karen Hardy
On a Cheetah with a hurricane Still have my Lynx as a back up.
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2006-07-31, 9:21am
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Missing presumed fed
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Join Date: Nov 15, 2005
Location: Wherever
Posts: 3,158
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Lynx is surface mix, like most of the torches we use. There are people who say that flashback arrestors aren't necessary at all for surface mix torches. Vince Henley (one of the very opinionated safety gurus from the ISGB forum) was of the opinion that flashback arrestors weren't necessary for surface mix torches except in very unusual situations, but because he could imagine those unusual situations occurring, he used them. Sorry I can't be more specific, but the discussion was over my head, and the archives got taken down when the ISGB forum switched to the new format -- don't know if there's any plan to make them available again.
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2006-07-31, 11:03am
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Senior Member
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Join Date: Dec 31, 2005
Location: Corpus Christi
Posts: 508
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With the Lynx, which is a very nice surface mix torch, you do not need flashback arrestors. Pre-mix torches require flashback arrestors since the fuel and oxygen get together inside the torch.
Steve
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2006-07-31, 11:08am
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Button Queen
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Join Date: Jun 13, 2005
Location: Goshen, IN
Posts: 2,854
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I have a surface mix torch. I use a flashback arrestor - better safe then sorry. Maybe it's just overkill, but it was worth the $25 to me.
Barbara
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Barbara Logan
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2006-07-31, 11:42am
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ManBearPig
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Join Date: Jun 28, 2005
Location: Roanoke, VA
Posts: 8,540
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With premix torches you should use them. I have never used them on a surface mix torch, but if you feel safer using them, then by all means you should do it. They don't effect the performance of the torch.
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2006-08-02, 6:26am
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boro color bender
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Join Date: Jun 06, 2005
Location: The Oregon coast!
Posts: 10,039
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I have one on my propane line, but not on my oxy line. 
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"Truth is, everybody is going to hurt you; you just gotta find the ones worth suffering for." -Bob Marley
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2006-08-03, 8:09am
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Senior Member
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Join Date: Jan 16, 2006
Location: Vancouver Island
Posts: 377
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Insurance companys sure do like em.
B
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