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New to wc'ing. I have a question about tube/fitting sizes....

post #1 of 7
Thread Starter 
I believe I want to use 3/8id 5/8od tube size for my m-atx case. My question is what compression fitting size would be preferable? Possibly 1/2id 3/4od? that way I would get a tighter fit with the tubing?
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Iron Patriot
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post #2 of 7
The compression fittings or barbs must match the inner and outer diameter of the tubing. you'd want 3/8 x 5/8 compressions
post #3 of 7
when using compression fittings you want to run the same spec. No need to run a larger compression fitting. You will have a plenty tight fit. Most of the time people don't even get them all the way screwed down before they get tight.
post #4 of 7
Thread Starter 
Quote:
Originally Posted by albear01 View Post

The compression fittings or barbs must match the inner and outer diameter of the tubing. you'd want 3/8 x 5/8 compressions

Okay thanks for the super quick response thumb.gif

I thought i saw or read someone doing this and he just used needle nosed pliers to stretch the tubing to make it fit the compression fitting. I dont know if that is a "no-no" or would it possibly make a better seal? I probably misinterpreted it though.
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Iron Patriot
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by SweetAndLow View Post

when using compression fittings you want to run the same spec. No need to run a larger compression fitting. You will have a plenty tight fit. Most of the time people don't even get them all the way screwed down before they get tight.

Thank you! Okay you guys convinced me, I'll just match them up and keep it simple smile.gif
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Iron Patriot
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post #6 of 7
That person was probably putting 7/16" ID tubing onto a 1/2" barb for a super tight fit that wont leak. if you're going to be using barbs, thats the way to go. with compressions as stated above, they get plenty tight and look good too smile.gif
post #7 of 7
Thread Starter 
Quote:
Originally Posted by albear01 View Post

That person was probably putting 7/16" ID tubing onto a 1/2" barb for a super tight fit that wont leak. if you're going to be using barbs, thats the way to go. with compressions as stated above, they get plenty tight and look good too smile.gif

Yeah I'm definitely going with compression for the looks alone lol...it's just a nice added benefit of them being more secure than barb. + Rep to both you guys!
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