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At 09:05 PM 5/17/97 -0700, you wrote:
>I recall seeing a section in "Marks Standard Handbook for Mechanical
>Engineers" about oxygen in aluminum cylinders. The article said
>something about not using oxygen in aluminum cylinders above a certain
>pressure. I don't recall the exact pressure but, it was around 800 psig.
>The article was an excerpt from a NASA document.
>--
>
>Terry W. Etapa
>--
>Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
>Send list subscription requests to `techdiver-request@aquanaut.com'.
>
> TERRY,
I'm sure you don't recall much from the NASA document about oxygen!
It relates to ball valves on AL sample cylinders at those presures.
You took it completly out of context.
Puritan Bennet of Southern California fills over 10,000 aluminum O2
cylinders per month above 2000 psi.
DAN , that's 'Diver Alert Network', sells aluminum O2 cylinders in
their emergency O2 kits. The pressures in those cylinders are between
1800 and 2100 psi.
It seems to me,that there is alot of Third World Country style,
superstition surounding oxygen in the tech diving comunity. Make a
trip to a welding supply house that also supplies hospitals for their
O2 needs and ask them all of your questions about the handling and use
of O2. All the myths and voodoo that suround O2, will go away forever!
I promise!
Kent Schnoeker
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