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Home Brew Forums > Home Brewing Beer > Bottling/Kegging > Over carbonated keg?
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Old 11-05-2012, 05:33 PM   #1
cgseanp
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Default Over carbonated keg?

I've been having some big foam problems with my new kegerator setup. I saw a video where a guy hooked his gas line up to his beer out line on his corny keg and it fixed the over foaming issue. My question is if I can do this on a keg with a sankey coupler? Getting desperate to fix my problem. I'm probably going to order a 10' line as I have 5' now, but thought id give this a try! Thanks

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Old 11-05-2012, 05:37 PM   #2
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I've never played with a sanke set up but increasing the line length has always worked for me.

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Old 11-05-2012, 05:54 PM   #3
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Ya I am planning on getting a 10' line but figured I'd try this if possible. I feel like adding the longer line might just be masking another issue but then again I don't know a whole lot.

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Old 11-06-2012, 02:23 PM   #4
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Is it a commercial keg you're trying to get to work or a corny keg full of homebrew?

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Old 11-06-2012, 03:18 PM   #5
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Google "keg balance calculator"

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Old 11-06-2012, 03:58 PM   #6
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Quote:
Originally Posted by bknifefight
Google "keg balance calculator"
I wouldn't bother, as I've never found one that produces a useful result. They all start with the premise that 3/16" id line has a resistance around 2.7 psi per foot, which from nearly all accounts is way too high.

1 foot per psi works good. No calculator needed...

Cheers!
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Old 11-06-2012, 04:08 PM   #7
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Quote:
Originally Posted by day_trippr View Post
I wouldn't bother, as I've never found one that produces a useful result. They all start with the premise that 3/16" id line has a resistance around 2.7 psi per foot, which from nearly all accounts is way too high.

1 foot per psi works good. No calculator needed...

Cheers!
I found that out accidentally. And it works perfectly.
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Old 11-06-2012, 04:27 PM   #8
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Quote:
Originally Posted by day_trippr View Post
I wouldn't bother, as I've never found one that produces a useful result. They all start with the premise that 3/16" id line has a resistance around 2.7 psi per foot, which from nearly all accounts is way too high.

1 foot per psi works good. No calculator needed...

Cheers!
1' beer line per 1psi CO2 pressure for the keg is a good rule of thumb. You can put a bit more pressure on the keg, with that line length, but I wouldn't go too far. IME, 10' of beer line is good for up to about 13psi of CO2. After that, you start to get too much foam in the glass. Lower pressure (8-10psi) just makes for a slightly longer pour time. On the home brewing scale, that's not an issue. I don't have any problem if it takes a few more seconds for the pint glass to fill up with beer. IMO, better than getting half a glass of foam.
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Old 11-06-2012, 06:21 PM   #9
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I have a balanced system and there is no guess work involved. I have 13 PSI on kegs with 6 feet of line and they pour perfectly. You guys can keep extending your lines, but I promise that it is easier to punch some numbers into a calculator and have it tell you what you need to know.

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Old 11-06-2012, 06:32 PM   #10
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Quote:
Originally Posted by bknifefight View Post
I have a balanced system and there is no guess work involved. I have 13 PSI on kegs with 6 feet of line and they pour perfectly. You guys can keep extending your lines, but I promise that it is easier to punch some numbers into a calculator and have it tell you what you need to know.
I call BS on that... Using one of you're google result sites would have me use just over 6 feet of hose at 14psi. I can tell you, from experience, that even using 10' at that pressure produces tons of foam. Also, I move the lines between kegs at two different heights (two shelves in brew fridge, all taps are at the same height) so having a shorter length means I'm locked into putting that/those faucets on only one shelf.

From my own experience, having 10' of line for 8-12psi produces a VERY good pour without excess foam. I don't care if it takes a few seconds longer to fill a pint, or 22-23oz glass. I'm not serving tons of people pints all day long where a few more seconds actually could matter.
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