[Jewelry making - Article 00028] - Re: [Orchid] Storage of Combustible Gases

[James Binnion]

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   Ernest,

    	About 20 years ago I was a sailor in the US Navy submarine service.
    We had multi cell electrolytic generators that are closely related
    to the machines you produce that were used to make oxygen for us to
    breathe (we disposed of the hydrogen overboard as it was not needed)
    . We had a nickname for the machine it was called "The Bomb" the
    reason for this is at least one had malfunctioned (on a different
    submarine than the one I was on) and killed the tech operating it
    when it blew up. Now I know about the differences between what your
    company sells to jewelers and the machine I am referring to is the
    operating pressure and volume of gas but they both produce a
    potentially explosive gas mixture and if the safety systems break
    down then the danger of fire or explosion is still there so while
    your machine removes the danger of high pressure gas storage it is
    still an explosion or  fire hazard if it is improperly maintained or
    it malfunctions. Lets not forget the aditional chemical burn hazard
    of handling the potassium hydroxide electrolyte that your machine
    requires for which you publish a MSDS at
    http://www.spirig.com/support/msds/msds_overview.asp  so I think it
    is a little disingenuous to say how much safer it is than compressed
    gas it just has different safety issues. 

    	So if you want to join into discussions and provide information
    (your post does have some really good info in it) on the virtues of
    JIT gas generation please do but  leave the advertising hype at
    home. Many of us have used water torches and I for one would love
    one but the initial cost is quite high and that is probably the
    reason most of us don't have one at our bench. 

    Jim  

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