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Art, we all just leave the oil , trash , and hydrocarbons, gasoline, water , rubber , and everything ele in our tanks, right? Come on, look a little closer - all tanks of nay kind are suposed to be clean - "oxygen cleaning" is just one more peice of bullshit to take your money, and to give the techno nerds someething else to worry about so they do not have to actualy dive. I never oxygen cleaned anything in my life, and neither does the suplier of the gas you buy . HELLO Art Paltz wrote: > > I've read in a few posts that O2 cleaning is BS. Can someone > elaborate. From training I understood the reason was to remove > hydrocarbons. From what I understand, these are oil based and can > basically catch fire or at least prolong a flash. I'm not a certified > gas mixer, nor do I garage mix so I don't have an in-depth knowledge > of the subject. 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 > 3000psi to ambient through the small opening of a tank valve can flash > to 1500 degrees F almost instantaneously if the valve were opened all > the way immediately. Don't know if this is correct or possible so if > someone knows this is BS please tell me. I was "told" this so again > I'm not sure. I did see some valves which were supposedly "melted" in > this way. > > With this in mind, the use of O2 safe o-rings and grease will not > promote or prolong a burn. I think O2 safe is basically that it will > disintegrate instead of burning. > > 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? > > Safe diving, > Art. > art.paltz@r2*.co* > Last Dive 4/13/97, Shark River Inlet, 45ft/40 minutes, 41 degrees > F,21% O2 > Hopefully get out on > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send list subscription requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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