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Old 11-30-2006, 09:22 AM   #1
procustomer98
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can i use a welding oxygen tank

can i use the the oxygen tank they use for welding for filling up my HPA tank..........if so how many fills can i get off of one of those and how much does it cost and replys would be greatly approciated
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Old 11-30-2006, 09:31 AM   #2
LAMANTEthePBguy
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No. Put HPA in an HPA tank. Oxygen has not been tested or designed for use with paintball guns. Other things to take not of: Oxygen is very flammable and therfore not a good idea to put through your gun. I don't think you would be able to effectively get a fill station adaptor onto the O2 tank. I'm not exactly sure on this, but I know in some applications O2 tanks are only filled to 2000psi, not sure if welding tanks are in that category.
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Old 11-30-2006, 12:03 PM   #3
Tabris17
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http://www.pbreview.com/forums/showthread.php?t=353101
I HIGHLY suggest reading that sticky. Using Oxygen in a paintball tank is EXTREMELY dangerous as the pressure inside the tank causes the gasses to heat. This in turn greatly increases the risk of the oxygen igniting. Pay close attention to post #10 in that sticky since that will answer your question a bit more indepth.
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Old 12-04-2006, 02:15 PM   #4
Nwilson
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Quote:
Originally Posted by LAMANTEthePBguy View Post
No. Put HPA in an HPA tank. Oxygen has not been tested or designed for use with paintball guns. Other things to take not of: Oxygen is very flammable and therfore not a good idea to put through your gun. I don't think you would be able to effectively get a fill station adaptor onto the O2 tank. I'm not exactly sure on this, but I know in some applications O2 tanks are only filled to 2000psi, not sure if welding tanks are in that category.
Actually, oxygen is not flammable on it's own because it is not fuel, but rather it is an oxidizer. But yes, running pure O2 in your marker would be very bad. Pure oxygen (particularly under pressure) will spontaneously combust/explode (rapidly oxidize) in the presence of hydrocarbons such as the lube used in your marker. Also, as stated before, generally O2 tanks will not hold sufficient pressure to fill a HPA tank. One further consideration is that O2 cylinders have very specific fittings that only allow O2 specific regulators and fittings to connect to them so that pure 02 is not used for applications for which is was not designed (i.e. paintball). These fittings are of course not compatible with the CGA fittings used for HPA. You can, however, rent large nitrogen tanks from most welding supply companies. These are generally 5000 - 6000psi capacity and will yield many fills (maybe 10 or more depending on the size tanks). If you play alot of paintball where there is no air source and/or want to go in with some friends this is a good option.
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Old 12-04-2006, 06:38 PM   #5
Uziel Gal
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Can I just first say how much I hate going through 20 years worth of airgun magazines at 2.30am, looking for one particular picture.....

Anyway, I thought that a self explanatory picture might help give you an understanding of just how dangerous the use of pure oxygen can be. In this instance, the gun being used was a Theoben Rapid 7 pre-charged air rifle.

Apparently, the owner allowed another person to fill their rifle for them, and that person filled the rifle with pure oxygen, rather than air.

When the rifle was fired, the valve was blown out of the bottle neck, the mechanism blown out of the rifle (splitting the side walls of the receiver), the scope was heavily oxidised, and the wooden stock charred.

As I understand it, the owner survived the blast, but spent four days in intensive care and in simple terms, is lucky to be alive.





You'll have to excuse the poor quality of the pictures, but my scanner is bust, so this was taken with a camera at 2.30am under artificial light, so not the best circumstances.....
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Old 12-05-2006, 08:04 AM   #6
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I think the pic says it all....
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