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Old 08-26-2009, 08:58 PM   #1
TwoHeadsBrewing
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I picked up an old Uniweld nitrogen regulator from a friend a while back, and he was using it in his kegerator to dispense commercial beers. I'd like to use it with my 5# cylinder to force carb and for other misc. tasks. The problem is I'm not sure if the nitrogen PSI levels are the same as CO2 regulator PSI levels. If I dial this thing to 30 psi, is that the same regardless of the gas? I would assume so, but is there someone that knows for sure?

Looks kind of like this...but dirtier and older



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Old 08-26-2009, 09:03 PM   #2
boogyman
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so you're talking about putting a nitrogen regulator on a co2 tank? it'll work, but the valves are different. The co2 tank takes a cga320 valve. You'll have to get an adapter like this:

Nitrogen Regulator to Co2 Tank Adapter | BeverageFactory.com



 
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Old 08-26-2009, 09:09 PM   #3
TwoHeadsBrewing
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Yep, got one already...it's hooked up to my 5# CO2 tank right now.

Sorry for the crappy cell phone pix:


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Old 08-27-2009, 02:10 AM   #4
boogyman
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Quote:
Originally Posted by TwoHeadsBrewing View Post
Yep, got one already...it's hooked up to my 5# CO2 tank right now
Then you're good to go.

 
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Old 08-27-2009, 12:44 PM   #5
bendavanza
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psi is psi

 
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Old 08-27-2009, 01:52 PM   #6
chuggs
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It will work...the question you might want to ask is...

What is the pressure relief valve set for? In the first photo you had a regulator with a low pressure range of 0-600 psi. Now if you had a regulator malfunction (not likely...but possible) , would you want up to 600 psi going into your keg? I wouldn't have a problem connecting that kind of regulator to a manifold...and adding a 60PSI relief valve in the manifold...as an additional safety.

Most regulators sold for beverage use...have a safety relief valve set at or just above the range on the low pressure gauge. (unless someone swapped out gauges, and not relief valves)

Just something to consider...

 
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Old 08-27-2009, 02:17 PM   #7

Quote:
Originally Posted by bdavanza View Post
psi is psi
PSI is PSI - But lets not forget about solubility of N.

Try using this calculator Maintaining Draft Beer Equilibrium

I did a Bitter with CO2 & Beer Gas.

Assume the following parameters; Ordinary Bitter, 1.3 Atmospheric Vol. 50F serving temp.
Pure - 100% CO2; Practical Pressure Setting - 2 psi

Lager Beer Gas - 60% CO2 | 40% N2; Practical Pressure Setting - 22 psi

Stout Gas - 25% CO2 | 75% N2; Out of range too high.
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Old 08-27-2009, 03:32 PM   #8
camiller
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Quote:
Originally Posted by Schlenkerla View Post
PSI is PSI - But lets not forget about solubility of N.

Try using this calculator Maintaining Draft Beer Equilibrium

I did a Bitter with CO2 & Beer Gas.

Assume the following parameters; Ordinary Bitter, 1.3 Atmospheric Vol. 50F serving temp.
Pure - 100% CO2; Practical Pressure Setting - 2 psi

Lager Beer Gas - 60% CO2 | 40% N2; Practical Pressure Setting - 22 psi

Stout Gas - 25% CO2 | 75% N2; Out of range too high.
I don't think he is actually using nitrogen, just pure CO2 with a regulator that has gauges labeled for nitrogen.

and yes, a regulator is a regulator. Ideally I would consider putting a more appropriate safety valve in the system though, A cornie keg is rated for somewhere around 135 psi IIRC. A 60 psi safety would be an excellent choice.

 
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Old 08-27-2009, 03:36 PM   #9
TwoHeadsBrewing
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Cool, thanks all!
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Old 01-30-2013, 02:52 PM   #10
rdkopp0153
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Where did you get your "gas out" nut to barbed fitting that is on the regulator? Is that 1/2 inch nut reduced down to 5/16 inch barb?



 
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