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Maybe a dumb question, but unless the tank is completely empty to start the fill, why would you have to evacuate it? bruce_butler@cc*.wd*.di*.co* wrote: > > The main difference between medical grade and industril grade is that > with medical grade the cylinders are evacuated (they pull a vacuum) to > eliminate the possibility of any contaminating gases. > > bruce > > ______________________________ Reply Separator _________________________________ > Subject: New angle 300 bar > Author: Mario Nicola <colacave@di*.ne*> at WDI-INTERNET > Date: 4/17/96 10:11 AM > > > I heard they were using industrial oxygen for nitrox and telling people > > aviators was harmful. Any truth to this that you know of? > > This is another fine example of BS and strokery. > > Aviators oxygen, I believe is checked to make sure it > has a low moister content for obvious reasons, but I'm not > an aviator so don' t take my word for this. > > As far as industrial and medical oxygen is concerned > there is absolutely no deference between the two. > The cylinders are filled from the same liquid oxygen bank, > the difference is in the maintenance and handling of the tanks, > and believe me, I have seen industrial tanks in a lot > better shape than medical cylinders. This does not mean this is > always the case. > Oxygen is oxygen is oxygen. No deference other than what you > are breathing it out of, and impurities that can enter the tank during > transfer. This is why o2 should always be analyzed before using or > mixing. > Mario > > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. -- <<<<<<======------======>>>>>> Dave Mabry dmabry@mi*.co* <<<<<<======------======>>>>>>
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