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Tubing Size Advice

post #1 of 6
Thread Starter 
Hello,

I have been putting my first loop together, and would like some advice on tubing size. Right now I am leaning towards 7/16" because of the balance between flexibility and flow rate. My parts I have decided on so far:

XSPC Raystorm
XSPC RX360
Swiftech MCP-655
Primochill Tubing

This will all be going into an 800D, I am using compression fittings, and I will be adding a GPU block(s) later.

Anything I have not considered that would affect my choice in tubing? Any help is greatly appreciated.

Thanks,

Kevin
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post #2 of 6
IIRC, tubing size isn't that important of a thing anymore. If you're really just perfectionist about it though, people suggest that the bigger the difference between ID and OD, the better. In addition, people suggest thicker OD to prevent kinking; anti-kink coils have not been proven to be the most effective, as far as I know.

As far as I can tell, you'll do well. Remember to cut tubing straight and precisely - some people actually recommend tube cutters to get that straight cut. In addition, it is favorable to do several mockups of your setup and take precise measurements - go over your measurements, but never under. You can only cut once.

Have fun, leak-test, godspeed.
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post #3 of 6
Compression fittings must be exact size. No significant flow difference between 3/8" ID and 1/2" ID. It is harder to find compressions for 7/16" ID than for 3/8" ID or 1/2" ID. I use 7/16" ID 5/8" OD and a mix of Bitspower compressions and 1/2" barbs. Have fun. smile.gif
Edited by musicfan - 2/22/12 at 1:35pm
    
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post #4 of 6
Thicker wall tubing is less liable to kinking, so that makes the choices:

1/2" x 3/4"
7/16" x 5/8"
3/8" x 5/8"

There is negligable performance difference between the sizes, go with what looks best.

I actually found the plastic anti kink coils to work fairly well, they stopped my thin walled tubing from collapsing on some of the tighter bends. If you get them match them to the OD of your tubing.
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post #5 of 6
Thread Starter 
Thanks for the replies, repped.

I think I will go with 7/16" and see how I like it, then go from there. Thanks again.
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post #6 of 6
Nice. 7/16" over 1/2" barbs can look very sexy:

lian-li-a01-09.jpg
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