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Question About Tube Diameter

post #1 of 5
Thread Starter 
I am confusing about the tube diameter. For example:

G1/4" - 1/2" vs. G1/4" - 3/8"

By using the same pump and radiator, which one will provide better cooling result? or they perform the same?
post #2 of 5
Are you talking about Inner Diameter or Outer diameter?

Anyway I don't think tubing size has any difference on performance, I think it just has to do with how far you can bend the tubes and what not.
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by KuuFA View Post

Are you talking about Inner Diameter or Outer diameter?
Anyway I don't think tubing size has any difference on performance, I think it just has to do with how far you can bend the tubes and what not.

Im talking about the inner diameter. So they perform the same but thiner tube get better bending?
post #4 of 5
Quote:
Originally Posted by Eustia View Post

Im talking about the inner diameter. So they perform the same but thiner tube get better bending?

I think the opposite.......... i think the thinner or smaller the circumference of the tubes the more they could kink imo.

(not an expert on this subject but yea i think so).
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post #5 of 5
G1/4" is the threads of the barbs, 1/4" is the industry standard on barbs/compression fittings/rotary fittings etc.

Then you have the inner diameter(ID) of the tubing that the barb is designed to work with, in this case it is either 1/2" ID tubing or 3/8" ID tubing.

Outer diameter(OD) does not matter with regualr barbs, as long as the ID matches. With compression fittings however you need tubing that matches both the ID and OD of the tubing that it is designed to work with.


Now, you wont notice any signifigant difference with this size tubing. I'd recomend you get 3/8" tubing because it has more fexability and is generaly much easyer to work with.
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