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Art Paltz wrote: > > From what I was told O2 is different than other > gasses in that it gets HOT when going from a high pressure to low. > Someone once told me that in a standard SCUBA tank, O2 rushing from To my knowledge, hydrogen is the only gas that exhibits this phenomenon. However, I think this statement could have been referring to the heat of friction as the O2 goes from hi to low pressure through the orifice of the regulator in a rapid discharge situation ? > Unless I forgot, was grossly misinformed or really confused, this is > what I was taught in my Adv. NITROX class. Am I wrong? Why are > people saying O2 cleaning is BS? O2 cleaning is *absolutely necessary* for high O2 content mixtures (say, anything above 35%). I kinda doubt that it's needed for compressed breathing air - but then again, some people are over-cautious, and plus, it *does* increase the vendor's sale (as someone here has already mentioned). Paul "Tech Guy", from an anonymous industrial gas manufacturer -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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