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  1. #1
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    Used acetylene regulater: safe for use with propane?

    As the title suggests, I have acquired a quality regulator made for, and used briefly with, acetylene. The owner estimates maybe 30 minutes of use. Would it be safe for me to use this to regulate propane?

  2. #2
    Senior Member calstar's Avatar
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    There's some info in this thread regarding your question http://www.bikeforums.net/showthread...pane-oxy-temps posts #22 and #23 for starters. Brian
    "The older I get the better I was" (from Old Guys Rule t-shirt)

  3. #3
    Senior Member long john's Avatar
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    I was on this morning typing a long and maybe to informative reply. I must have got logged off and it didn't post. Yes its safe.You can run either. You can buy adaptors at your local welding store. Propane uses a 2 part tip in your cutting torch and all other propane tips will fit in your oxy/acet torch handle. In short propane is safer and easer to get, Barbecue tank exchange any time. I have used both for many large jobs, none building bicycles. Switching between propane and acetylene with the same regulators.

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    This has a good rundown, if true.

    http://www.hobartwelders.com/weldtal...p/t-38434.html

    Normally with these gasses, if there is a real problem they don't make it possible to even attach parts.

    Sounds as though it may be safer to use a two stage Acet regulator with propane than one of the cheaper propane single stage regulators that are on all the cheap appliances. Though that is what I am using and it works fine.

  5. #5
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    Just don't let the red line on the Acetylene regulator freak you out.



    You should be using propane specific hoses.

  6. #6
    Senior Member long john's Avatar
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    the two stage regulator is not safer. A two stage regulator is for convenience so you're operating pressure dose not drop drastically as the tank pressure declines. When this happens you turn the pressure up. They do cost more. I just twist the pressure knob, it saved me almost a hundred large. If the regulator has a male fitting its a CGA 510 and will screw left right into the new or old propane tank. If its a female fitting get the adaptor at any welding shop. I had one job where i was cutting for over a month With propane With an acetylene set up it worked great Saved us a bundle in gas and there still using it today 14 years later to this day no problems No propane specific hose.

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