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I had the same question, so I asked my supplier. According to US Welding, the o2 that get's put into the medical o2 bottles, as well as the welding o2 bottles comes from the exact same bottle. The difference is, the medical o2 bottle gets flushed twice with o2 before they do the final fill. The welding bottle, only once. ---Harrison -----Original Message----- From: p k [mailto:abyss30@ho*.co*] Sent: Saturday, November 27, 1999 6:06 PM To: techdiver@aquanaut.com Subject: Isn't oxygen, oxygen? This question has plagued me for a while. What is the difference between breathing oxygen and welding oxygen? First,I was told that welding O2 had more hydrocarbons contained in it, BUT isn't the explosion/fire risk the same? How many auto mechanics wash and dry there hands before changing a regulator on an oxy-acetylene torch? The second thing I was told is "there is possibly a higher moisture content", to me that doesn't hold up either because oxygen (commercial grade) will always come in a steel cylinder, if there is any moisture in there it will rust and pretty quickly I might add. So what's the deal? Anybody? ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.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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