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>Are you telling me that I should NOT use viton o-rings when the
>manufacturers that certified me to work on their nitrox gear requires viton
?
>
>Are you telling me that I should not use viton o-rings when the
>certification agencies that certified to blend nitrox and clean nitrox gear
>requires viton ?
>
>Are you telling me that I should not use viton o-ring when distributors of
>the o-rings and cleaning agents for nitrox applications that taught me
>require viton ?
>
>Not to mention the additional  information I have came across from
>compressor manufacturers, cylinder manufacturers, commercial gas suppliers,
>haz mat data sheets, trade publications, medical equipment suppliers, lab
>equipment reps, military manuals, government publications, etc. etc.

Kevin - I was just going through the details on various o-ring materials
from Eriks (who manufacture them).  They clearly state that only Silicone is
suitable for hyperbaric oxygen use.  They do not recommend viton for this
purpose.  I would imagine that the people who actually make, test and sell
these know more than compressor manufacturers, cylinder manufacturers,
commercial gas suppliers, haz mat data sheets, trade publications, medical
equipment suppliers, lab equipment reps, military manuals, government
publications, etc. etc.

But then that's just my view,
John.

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