Oxygen Cylinder Valves - Which one?

[DarylT]

Yes Brett it is a big difference.

Dive tanks are compressed air. Not pure Oxygen.

Oxygen we use for flying is compressed O2 pure Oxygen.

They only use Oxygen in diving for mixed gas diving. (Professionals very deep)

[David_Nelson]

Wow - I was really hoping this was going to lean heavily to one side or the other but so far it hasn't. I understand it hasn't had much time to incubate (so much for folks checking VAF at work! ) but I need to allow time to ship and set the system up. To those that responded, Thank You! I learned some things and that's always good.

So what did I decide? I'm going the CGA-540 route.

Per Bill's post, I bought through Cramer Decker Medical. Their prices have changed a bit since Sept 2010:

• Their D cylinder now goes for $58.95 (an increase of $20)
• Their Low Profile CGA-540 w/ guage still goes for $30.00 (no price change)
• Their AREG5404 0-4 LPM CGA-540 regulator now goes for $40.95 (an increase of $1)

Thanks,

[Greg Baron]

Mountain High Oxygen systems utilizes CGA540. It is my understanding that the medical system is not really designed for vibration situations. I had a washer "combust" during a surgical procedure in my surgery center. Not a desirable situation. This should less of a threat with the industrial design.

[flightlogic]

Do a search for pediatric regulators. They are about the same price you show... but have fractional LPM flow rates.
The 1-4 LPM flow will be too much... in my experience.

[MarkW]

Yes Bret and DarylT,
Nitrox is a very common dive mix. Therefore all the dive shops in Florida carry pure O2. I do double check by watching them fill the tanks.
DarylT - Nitrox is a very common recreational dive mix used to allow more bottom time mostly in shallow and mid depth dives.