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  1. #1
    Join Date
    Sep 2013

    Default medical oxygen converted to welding/glass blowing oxygen tanks

    I blow glass and wanted to know is its worth buying a few medical oxygen tanks for a great price and can they easily be converted into use for glass blowing to connect to me regulators, hoses to my torch?

    Inlet CGA 540. Outlet male "B" fitting. is my regulator hook ups

  2. #2
    Join Date
    Oct 2004
    Edmonton, Alberta


    Probably NOT, as you'll need a permit to fill them, and even if you had the permit, medical Oxygen isn't cheap.

  3. #3
    Join Date
    Dec 2007


    cruizer is right on the money.

    Overkill money wise plus all the pain of refills of medical gas.

    Kind of like buying gallons of distilled water to do your laundry.

    I get a 277 cu ft oxy tank filled for $30. at my local welding distributor.

    Granted, this is heavy.( 100 lbs or so) but it will last much longer.

    I would love to try glass working but I would break everything.

    Better left to the professionals.
    Thermal Arc GTSW400, Airco Heliwelder II, Miller Dynasty 350, Hypertherm 1000, oxy-fuel setup, metal cutting bandsaw, air compressor, drill press, etc.:

    Call me the "Clouseau" of welding !

  4. #4
    Join Date
    Dec 2011


    Educate me please. Although in the long run it might not be practical couldn't you change the valve, repaint the tank, retest and fill them like a regular tank? I'll admit I never looked close at them but the ones I've seen in the lws truck looked like regular O2 tanks with unique paint jobs.---Meltedmetal

  5. #5

    Default my 3 cents (the increase is due to inflation)

    Medical and standard industrial o2 is filled from the same source.

    political and administrative record keeping about the fill and the process of the fill are required by the FDA.

    Purity requirements for med o2 may be less than the industrial. (I say may, cause the separators, company's that suck o2 out of the air, do not want to high light this, but I briefly worked for LINDE.

    Stick with the industrial gasses. Even If you had to buy new regulators, by the time you are filling the 2nd bottle you'll have paid for the regulators.

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