[Jewelry making - Article 00492] - Re: [Orchid] Acetylene - Safety Information

[jesse brennan]

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    The restrictions you have seen do not apply to  your type use.  pure
    copper , high copper brass,  pure silver  and mercury  form
    materials under pressure that are shock sensitive  with acetylene.
    Standard  welding equipment will not contain these materials .  The
    most important thing  for youm is to use standard  materials and nit
    pipe acetylene in copper tubing. It is common practice today to use
    flashback arrestors with acetylene.  These can be at the torch  or
    after the regulator. they have not always been required in the past.
    The best leak detector for you is a  brush and soapy water.   a weak
    solution of  a liquid dishwashing soap [ (Joy)   is nomally used in
    acetylene production units. It works , is cheap and available.
    Thecylinders you  use should be rust and dent free -- generally look
    good. There are some fuseable devices on the cylinder bottom that
    should be checked for leaks as well as the topside connections. Don't
    exposure cylinder to external fire.  You should be able to get
    safety information from you supplier.   Commercial acetylene may
    have a  very definite odor.   Yours probably does. Jesse

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