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Art No, you are thinking of that chap who kept his SPG on a longer hose in the crack of his butt. His butt ring has a silicone O-ring implanted to act as a (painful) breakaway in case of a hose leak. Methane, O2 and combustion, not a pretty sight :-) David Shimell Email: shimell@se*.co* <mailto:shimell@se*.co*> Project Manager, IBM NUMA-Q, Sequent Computer Systems Limited, Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK registered in England and Wales under company number: 1999363, registered office as above -----Original Message----- From: Paltz, Art [SMTP:Art.Paltz@R2*.CO*] Sent: Monday, November 22, 1999 2:57 PM To: 'Shimell, David (shimell)'; tgunther@co*.co*; techdiver@aquanaut.com Subject: RE: Hello and my 2 cents Nitrile? What about if you breathe your deco gas on it, won't it explode? I think it's better to use Viton, just to be safe..... :-), that's a big f*cking grin..... Art. -----Original Message----- From: Shimell, David (shimell) [mailto:shimell@se*.co*] Sent: Friday, November 19, 1999 12:20 PM To: tgunther@co*.co*; techdiver@aquanaut.com Subject: RE: Hello and my 2 cents Tod I've just checked by gear. Just to confirm, the break away O-rings (Nitrile) currently on it are: 022 Regulator (Internal Diameter 1", Section 1/16) 120 HP Hose (Internal Diameter 1", Section 3/32) The HP hose breakaway may in fact me a metric equivalent. You'll find that you can use any size approximating these sizes, e.g. a 126 looks like it would be fine as well for the HP hose. Recall that the regulator breakaway needs to be an easy break - they are quick to replace - your second stages should only be hand tight to the fitting, so you can unscrew them to fit the clip. The regulator breakaway gets more abuse and should be stronger - just check that you can break it OK with a strong pull. David Shimell Email: shimell@se*.co* <mailto:shimell@se*.co*> Project Manager, IBM NUMA-Q, Sequent Computer Systems Limited, Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK registered in England and Wales under company number: 1999363, registered office as above -----Original Message----- From: Shimell, David (shimell) Sent: Friday, November 19, 1999 7:43 AM To: 'tgunther@co*.co*'; techdiver@aquanaut.com Subject: RE: Hello and my 2 cents Tod BTW, I now use two sizes of breakaway O-ring: 1/16 section for the regulators and the next size up, 3/32 section, for the HP hose clip. The regs really need to break easily, the HP hose gets more rough treatment in normal use and I found that they were breaking too often in normal use. I'll look up the references when I get back home - I'm in bonnie Scotland at the moment. David Shimell Email: shimell@se*.co* <mailto:shimell@se*.co*> Project Manager, IBM NUMA-Q, Sequent Computer Systems Limited, Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK registered in England and Wales under company number: 1999363, registered office as above -----Original Message----- From: tgunther@co*.co* [SMTP:tgunther@co*.co*] Sent: Friday, November 19, 1999 12:31 AM To: techdiver@aquanaut.com Cc: Shimell, David (shimell) Subject: RE: Hello and my 2 cents << I found a neck O-ring to be too strong and bought some thinner O-rings of 1/16" section but the same diameter (sorry, I can't recall the reference for these) >> Does anyone else happen to have a reference for these 1/16" o-rings? Tod -- 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'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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