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Old 04-06-2006, 05:32 PM   #1
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Default Nitrogen in a CO2 tank?

Can you put nitrogen, or beer gas (75% NO 25% CO2), in a CO2 tank? Do you need to get a nitrogen regulator or can you use a CO2 regulator?

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Old 04-06-2006, 05:56 PM   #2
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Originally Posted by Drunk Monkey
Can you put nitrogen, or beer gas (75% NO 25% CO2), in a CO2 tank? Do you need to get a nitrogen regulator or can you use a CO2 regulator?
At least two online articles say yes, nitrogen and mix can be put in CO2 tank. My local gas company says no, or at least they won't charge up the tank with wrong type. They explain that CO2 can be in liquid form while the other does not, and therefore their internal pressure are different, thus different tank for each. But nitrogen, beer gas mix and argon and helium (?) use the same tank.
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Old 04-07-2006, 01:43 AM   #3
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so I guess the answer is maybe

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Old 04-07-2006, 03:35 AM   #4
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Most of the time nitrogen and beer gas cylenders(sp?) have a different opening than co2.

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Old 04-07-2006, 03:41 AM   #5
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Most of the time nitrogen and beer gas cylenders(sp?) have a different opening than co2.
So does that mean it's an entirely different tank?
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Old 04-07-2006, 02:41 PM   #6
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I have been reading up on this lately. I have yet to finish my research but what I have found so far suggests that you can mix the two gasses in one cylinder and use a CO2 tank and regulator with this 'beer gas' mix.
There are alot of adds out there for 'mixers' which combine the two gasses downstream of the seperate CO2 and nitrogen tanks / regulators but these tend to be expensive. The sellers of these 'mixers' try to justify their expensive equipment by showing the long term savings over the expense of mixed gas. They point out that a bottle of CO2 and a bottle of nitrogen cost less than the same volumes of gasses in the same bottle. If you are running a bar maybe this would slowly pay for itself.
As of now I am leaning towards the mixed gas in the CO2 cylinder / CO2 regulator. The biggest hurdle here is finding someone who is willing to do this. I live in a small town so its hard to find anyone to fill CO2 much less convince them that it would be o.k. for them to mix the gasses. I suggested this to one place and they thought I was trying to get them to blow up their building

For your viewing pleasure :

http://www.mcdantim.com/blenders.htm

http://www.micromatic.com/draft-keg-...-cid-1793.html <--good article

http://www.northernbrewer.com/docume...tro-system.pdf

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