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Steve Some manufacturers are coming around, but slowly. MDE, a UK company that make cylinder valves amongst other things, say that the O-rings do NOT need replacing if you are going to run O2 in their cylinders. The rest of the dive industry will come around but at the moment they have ultra cautious standards. You may ask why is this? Why do you see expensive kits to convert regs containing bright green replacement second stage covers and green knobs for your cylinders? Sadly this and the other BS is a ploy to make money out of the unsuspecting wannabe "technical" diver. Moving on to your question. Clean it the best you can. The dive shops have the same problem, this is what they do. David Shimell Project Manager, Sequent Computer Systems Ltd., Weybridge, UK Email: shimell@se*.co* -----Original Message----- From: Steve Schinke [SMTP:tekdive@ho*.co*] Sent: Tuesday, April 21, 1998 3:51 PM To: cavers@ge*.co* Cc: techdiver@aquanaut.com Subject: O2 cleaning Another question about O2 cleaning for mixes over 40%. I understand about using o2 compatible orings and grease but how do you O2 clean a presure gauge? And what about hoses? There will always be hydeocarbons in them. In planes you should see the o2 gear that is use. There is no viton orings let me tell you that. Just what is the best way to O2 clean a set of regs and tank. I heard about tumbling the tank with glass beads or something and other stuff. And some people just say fill it. Thanks STEVE ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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