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CHKBOONE@ao*.co* wrote: > > Jeff, > > Most agencies suggest and I agree as follows : > > Tanks : > > If exposed to more than 40% O2 during partial pressure filling - O2 clean > them and the valve. Otherwise don't sweat it. If you label it for NITROX > I would have it cleaned in any case - shit happens in dive shops ! > Dedicate this tank to nitrox only or only fill from nitrox compatible air > stations and never let it out of your sight. If you keep this tank clean I > don't think it is necessary to have it cleaned every single year but some > shops will want to see a sticker . > > Regulators: If used with 40% or less don't bother cleaning them. If > used with more than 40% mixtures - O2 clean them. The main purpose of this > is to get the bends and orafices in the first stage clean because they are > just like a fill station situation under high flows. > You might want to have a nitrox regulator checked yearly even if you only > use up to 40% just to keep any accelerated deterioration from sneeking up on > you. > > Don't do this because any agencies say you should - do it to keep your > butt and the filler's butt in one piece. > Check the archives for lots of arguments on this issue - then play it safe > for everyone's sake. > > Chuck Boone > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. ......ONE fill from a poorly maintained filtration system or a dinky compressor suffering from ring blow-by will corrupt your oxygen-cleaned system. Be careful WHERE you get your fills. If in doubt, ask to see (their) system. D. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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