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Zambeck - see a doctor. ----- Original Message ----- From: gzambeck1 <gzambeck1@me*.ne*> To: Trey <trey@ne*.co*> Cc: Aldo P. Solari [APS] <aldo.solari@ho*.se*>; <techdiver@aquanaut.com> Sent: Wednesday, October 04, 2000 7:23 AM Subject: Re: helium > Then George your going to tell us all why a diver had an oxygen fire and burned > up his trailer. > He used his haskel to pump argon and then he used it to pump oxygen. > > Greg Z. > > Trey wrote: > > > Aldo, helium is helium. Helium is used in welding by blowing it around the > > weld so that the material being welded can not get any oxygen , so does not > > oxidize. That is what gives that clean melted metal look to good aluminum > > welding. Argon is actually better, as it is a heavier gas and easier to keep > > on the weld. > > > > Acetylene welding uses a mixing device which burns the gas as it is combined > > with oxygen in a torch tip ( tell those guys about "oxygen cleaning" ). > > Welding oxygen could conceivably get acetylene pushed back into the tank, > > but then the fact is that acetylene acts like an inert gas for diving smells > > horrible , and if it does not blow up then, well you'll be able to tell by > > the buzz. > > > > The suppliers keep the welding, aviator, and medical bottles separate and > > the fill them as categories, generally vacuuming the welding bottles once, > > aviators twice, medical three times. > > > > There is nothing else in the gas. Use it and have fun. > > > > ----- Original Message ----- > > From: Aldo P. Solari [APS] <aldo.solari@ho*.se*> > > To: George "Trey" Irvine <trey@ne*.co*> > > Sent: Saturday, September 30, 2000 9:41 PM > > Subject: helium > > > > > Trey, can you clarify whether you use welding helium for your gas > > > mixes ? > > > > > > Here (Canary islands) we dont have "medical grade" helium but > > > there is helium for welding ... > > > > > > Do you have some specific filters to transvase welding helium to > > > your triox mixes ? > > > > > > As a matter of fact, if this welding heliums could be used for > > > diving, it would open a new window here in Canary Islands. > > > > > > cheers, > > > > > > aldo > > > > > > > > > > > > > -- > > 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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