Can I use a co2 regulator for Nitrogen/Co2 "stout" mix? - Home Brew Forums
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Old 03-04-2009, 10:12 PM   #1
seany44
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Mar 2009
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I have a co2 set up for my kegerator. I want to run a stout mix, so I'm buying the special faucet. I found a place that will fill my current co2 tank with the 75% nitrogen mix. Can i use my co2 regulator? Or do I really need the nitrogen regulator? If I need the nitrogen regulator, I have found an adapter that will connect the co2 tank with cga-320 fittings to nitrogen cga-580 fittings.


Thanks for your help!

Sean

 
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Old 03-04-2009, 10:46 PM   #2
JoeBob
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Jul 2007
Newark, De
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As long as your gauge goes to ~38psi which is what Nitrogen pours best at, I don't see why not. I am surprised that someone is filling a co2 tank with 75% nitrogen, from everything I have been told it can only be done the other way legally/safely.

 
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Old 03-04-2009, 11:13 PM   #3
seany44
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Mar 2009
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Thanks for the reply. I will check the gauge tonight. I wasn't sure if the differnt "weight" for lack of a better word would effect the regulator.

I'll have to also look more into the safety of the nitrogen going into the co2 tank.

 
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Old 03-05-2009, 12:48 AM   #4
seany44
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Mar 2009
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Ok after a lot of google-ing and research here is what I have found.

You can use your co2 regulator, but you were right it just needs to be able to run at a higher pressure.

Also, you can fill a co2 tank with 75% nitrogen safely. Not all places will do it though. The differance is the co2 tank can take roughly 1800psi and a nitrogen tank 3000. So they will only fill the co2 tank to 1800psi. So a same size nitrogen tank can hold more at the higher pressure. I will just have to fill up a little more often.


At least this is what I'm left to believe from what I've read. If anyone has anything else they can share that would be great. Thanks!

 
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