Posted by Eins on August 07, 2001 at 08:03:39:
In Reply to: Re: Petroleum based hydrocarbons posted by Steve on August 07, 2001 at 00:32:49:
That would be one reason why it makes sense to have EAN stickers on a tank: so no fill monkey would fill this tank with incompatible (i.e., hydrocarbon-polluted) air. Actually, you, the owner of such a tank, should know.
About the viton O-rings: during partial pressure blending, your tank valve's o-rings are subject to 100% O2. That's why, in spite of MHK's luck, it makes sense to have vitons there. Your reg will only be subject to a much more diluted O2 mix and therefore not be at such a risk.
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