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Old 05-29-2012, 07:22 PM   #1
smellie_hippie
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Ok,

I looked for a while, and couldn't find a thread completely related to this subject.

Different tubing for CO2 and beer in a kegerator/keezer? The ball-locks are the same diameter, so I assume it should work fine... I just felt the need to ask because some pictures look like the gas line is red, or braided...

I don't have a LHBS, and didn't want to get something "wrong" at Home Depot or Lowe's.

 
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Old 05-29-2012, 07:32 PM   #2
BirdmanBrewingCo
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We use 3/16" ID, 7/16" OD for the beer line and 5/16" ID and 9/16" OD for the gas line (the red tubing you've probably seen).

 
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Old 05-29-2012, 07:41 PM   #3
evandena
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You can get 1/4 inch ID "air hose" at any hardware store. Works fine for 5/16 or 1/4 barbs. You might not find 5/16 line at hardware store, from what I gather, it is kind of specific to the beverage industry.
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Old 05-29-2012, 08:53 PM   #4
Hammy71
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I use the same 3/8"ID line on my air and beer.

Edit: 3/16" oops.

 
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Old 05-30-2012, 04:17 AM   #5
day_trippr
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Quote:
Originally Posted by Hammy71 View Post
I use the same 3/8"ID line on my air and beer.
3/8" ID beer lines? Really?

 
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Old 05-30-2012, 04:42 AM   #6
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Quote:
Originally Posted by Hammy71 View Post
I use the same 3/8"ID line on my air and beer.
If I were to do it over again, I'd do the same thing. Much easier if you have consistency across your system so you don't need to worry about different size tubing for beer and for gas. Look at the quick disconnects online, you'll notice that the beer and gas have the same barb size - 1/4". Pressure is pressure regardless of the ID (as far as I know...)
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Old 05-30-2012, 12:00 PM   #7
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Quote:
Originally Posted by mmonacel View Post
Pressure is pressure regardless of the ID (as far as I know...)
The pressure drop through a tube is very much a function of ID. To balance your system you'd need a whole lot of 3/8" ID beverage tubing.

 
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Old 05-30-2012, 03:31 PM   #8
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Quote:
Originally Posted by zachattack View Post
The pressure drop through a tube is very much a function of ID. To balance your system you'd need a whole lot of 3/8" ID beverage tubing.
And that's why I love this board. Always learning something new every day!
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Old 05-30-2012, 03:44 PM   #9
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Quote:
Originally Posted by mmonacel View Post
If I were to do it over again, I'd do the same thing. Much easier if you have consistency across your system so you don't need to worry about different size tubing for beer and for gas. Look at the quick disconnects online, you'll notice that the beer and gas have the same barb size - 1/4". Pressure is pressure regardless of the ID (as far as I know...)
All my QDs are threaded so I just fit the different lines with the correct size swivel nuts. Makes it far easier for when you want to clean the QDs or change the lines.
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Old 05-30-2012, 07:42 PM   #10
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Quote:
Originally Posted by day_trippr View Post
3/8" ID beer lines? Really?
Ah...got me. 3/16" ID. Nice catch on the typo.

 
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