General Category > Kegging and Bottling

Setting up keg for carbonating/serving pressure

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bluesman:
I want to be able to carbonate my kegged beer while at the same time be able to serve the beer.

For example... I want to force carb a beer at 12psi and maintain that pressure and ...I also would like to serve the beer at 5psi. Is this possible?

If so...How would I set-up my kegging system to accomplish this?

beer_crafter:
The short answer is no-- over time, your beer will drop down to the carbonation level which you would get at 5psi (at serving temp).

My question back to you is, why do you want to serve at 5psi?  It seems to me that you are looking to serve at 12psi. 

I will venture a guess and say that currently your system is unbalanced, and thus at 12psi, the beer comes out of the tap too fast.  In order to correct this, you don't want to serve at 5psi;  rather, you want to add enough resistance into the system so that 12psi pours at an acceptable rate.  The easiest way to do this is to increase the length of your beer lines.  There are calculations availible (which I don't have readily at hand) which will tell you the length of tubing you need to maintain 12psi.

garyg:
Wahoo is correct, you want to serve the beer at whatever pressure you need to maintain your desired carbonation and then need to balance that with your draught line.

Check out Chapter 5 in the Brewers Association's Draught Beer Quality Manual for a complete description of how to balance your draught system: http://www.draughtquality.org/A-Matter-of-Balance.

denny:
That manual is fantastic, Gary.

bonjour:
I had no idea that that was there Gary,  Thanks.

To repeat Gary, Wahoo is correct,  you need to achieve balance with your delivery system.

Fred

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