Re: [Aus-soaring] O2

Thu, 22 Dec 2005 15:53:57 -0800

My understanding is that medical O2 is specifically supposed NOT to be dry....

Robert Hart wrote:
Ian McPhee wrote:

Not sure about welding o2 but do know all medical oxygen is all totally dry - the only difference with aviation o2 and medical is the paperwork. Years ago a friend of mine was CEO of the then CIG and we were worried and run a test on moisture on medical cyclinder and it easily meet the aviation std.

This is not the advice I received from BOC (they could not guarantee it was dry) - nor my experience. As noted in a previous post, I have had one occurrence of freezing up of the valve during a transfilling operation, which suggests that there is some water present in medical O2 on occasions. 


-- 
Regards,

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                                Peregrine!


   "Flying is learning to throw yourself at the ground, and.... miss."
		--- Ford Prefect


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