Michael, 

Next time you get a chance to go to your local gas supplier have them take
you on a tour.  If they are a real gas house they get thier oxygen in
liquid form, they then feed it into an OIL-FREE compressor to bring it up
to HP cylinder pressure. Most oxygen cylinders for medical use are
2015-2400 psi (average) most storgage cylinders are 2400 psi, there are
those fortunate facilities that use 3,000 psi storage cylinders and the
even more fortunate ones who have the 4500 psi cylinders with different
valve fitting. 

There is always risk of an oxygen fire in any sitiation but if the system
is clean, the compressor is OIL FREE (RIX etc.) the risk is reasonbly low. 

Keep it clean.

Joel Silverstein 



At 11:45 AM 10/27/1999 -0700, Michael J. Black wrote:
>Correct me if I'm wrong folks, but 2400 psi is the
>industry standard for Oxygen fills, as established by
>the Compressed Gas Association.  Pumping Oxygen at a
>higher pressure is against the standard, and may be
>illegal as well as an explosion hazard.
>
>
>=====
>
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