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Old 12-26-2005, 01:08 PM
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Default O/A Safety

Hi Guys....

Have not posted for a while and am needing some expert advice.

Santa Clause brought me an oxy/acetylene welding and cutting outfit (Harris).
A friend gave me some O/A gas bottles.
The last O/A I did was eons ago so it's like learning from new.

Simple question regarding 'check valves' and 'flashback arrestors'.
Do I need both, the outfit came with flashback arrestors but not check valves.
Your expert advice please.


Regards Frank.
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Old 12-26-2005, 01:34 PM
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turn the bottles on, turn your torch valves on, and enjoy the flame. If you get burned, you had your hand too close to the flame.

Common sense will make do. Make sure you have no leaks at all the connections. The torch has flash back arrestors, so you say. Keep your bottles in a secure position.
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Old 12-26-2005, 03:58 PM
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Here's good info:

http://www.weldingdesign.com/323/Glo...e/False/11305/

http://www.aws.org/technical/facts/FACT-28.pdf
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Old 12-27-2005, 02:06 AM
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I clock many hours with my outfit at work...no flash/check's. Never had a problem. My home set has the arrestors on it, pretty much only because they came with them.
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Old 12-27-2005, 12:48 PM
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Quote:
Originally Posted by Cavalry
I clock many hours with my outfit at work...no flash/check's. Never had a problem. My home set has the arrestors on it, pretty much only because they came with them.


My outfit just has the arrestors, so will leave them on.
Now time to go out and stir a puddle.
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Old 01-11-2006, 06:15 AM
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Never had a problem in 33 years. Just keep the acet. pressure below 15 and store and use in the upright position. Don't use the acet. with the bottle laying down, the oxy bottle can be used upside down if you wanted, but the acet bottle needs to be standing upright. Enjoy
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