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Tubing!

post #1 of 15
Thread Starter 
Does anyone here have any information about the different sizes of tubing and their flow restrictions/comparisons of hard walled and soft walled and how much of a difference it really makes?

Does anyone here know if increasing my tubes diameter would be beneficial to my system (a system) or be made null from the restrictions of a CPU block/radiator ect..

Haven't found any decent comparisons and i don't believe Skinee has done any either.

Thanks heaps
Edited by FlyingColours - 11/1/11 at 8:12am
post #2 of 15
I've heard "the shorter the tubing the better" is something to take into consideration. If anything that would decrease a few temps in your loop but tubing doesn't really help any other way.

What are your loop and PC specs? Depending on what you're cooling, how many rads you have and what they are more depend on shaving off a few temps.
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post #3 of 15
The images have been taken down, but the numbers are still in the thread.

The impact of tubing sizes

Tubing Review - 18 Types of Tubing Reviewed
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post #4 of 15
I can say with confidence that I absolutely do NOT recommend Tygon black R-3400 tubing. I will say that it can bend VERY well and is a nice, cheapish durable tube. Yeah, it looks cool and all but here's a few things to consider:

The not so important but still annoying things:

1) Fingerprints get ALL OVER this tubing
2) Once the tubing gets dust on it, it sticks like a champ
3) You can't wash it without getting streaks

The important, very awful thing:

1) It leaked plasticizer (or something of the sort) all throughout my loop. I have YouTube videos of this. My reservoir at the surface of the water had a thin layer of gook which continued to accumulate into this disgusting clump of what seemed like dried glue all around the perimeter. It kept getting worse and I didn't want to take the chance of what else it was putting through my loop, much less my blocks.

I replaced it with the more expensive Tygon clear tubing and it has been flawless ever since. Unfortunately, the Tygon clear tubing, as shown in the link above, does not bend very easy at all. I made it work, but next time I might need to consider another brand, though I really like Tygon material.

Just do your research and make sure nobody has issues first - or be the first to discover a new tube!
post #5 of 15
Thread Starter 
Big thanks to PRTUC2 thanks heaps matey if anyone else is interested in the flow rate differentials and potential temps of different tubing diameters see below for a short version or go to the below link for the full version.

http://www.xtremesystems.org/forums/...f-tubing-sizes


Flow rate differentials

6.35mm quick fit = 4.45LPM flow, 0.0795 block c/w, 0.0374 rad c/w
8mm barbed = 4.75LPM, 0.0783 block c/w, 0.0373 rad c/w
8mm quick fit = 5.6LPM, 0.0770 block c/w, 0.0369 rad c/w
9.6mm barbed = 5.7LPM, 0.0768 block c/w, 0.0369 rad c/w
9.6mm quick fit = 6.2LPM, 0.0762 block c/w, 0.0367 rad c/w
11.1mm barbed = 6.3LPM, 0.0761 block c/w, 0.0367 rad c/w
12.7mm barbed = 6.35LPM, 0.0760 block c/w, 0.0366 rad c/w

Temps

6.35mm quick fit = 34.21C
8mm barbed = 34.08C
8mm quick fit = 33.91C
9.6mm barbed = 33.89C
9.6mm quick fit = 33.80C
11.1mm barbed = 33.79C
12.7mm barbed = 33.77C

As you can see the flow rate and Temp differentials are very insignificant and don't have a big impact on your water cooling performance however the main factor in choosing what's best for you would have to be what fittings you prefer to use and also if you plan on using quick disconnects and other speciality fittings.

Thanks to everyone for their help and insight and I hope this is useful for others.
Edited by FlyingColours - 11/2/11 at 12:45am
post #6 of 15
Thread Starter 
Quote:
Originally Posted by dgp View Post
I've heard "the shorter the tubing the better" is something to take into consideration. If anything that would decrease a few temps in your loop but tubing doesn't really help any other way.

What are your loop and PC specs? Depending on what you're cooling, how many rads you have and what they are more depend on shaving off a few temps.
Sorry DGP i should have clarified I was asking about the tubing diameter not lengths ect..

thanks for trying
post #7 of 15
I've used 3/8" x 1/2" and 1/2" x 3/4" and the former is far and away my preference. It's so much easier to work with that I'm amazed people still use and recommend 1/2" x 3/4".

...and 3K posts.
post #8 of 15
Quote:
Originally Posted by t-ramp View Post
I've used 3/8" x 1/2" and 1/2" x 3/4" and the former is far and away my preference. It's so much easier to work with that I'm amazed people still use and recommend 1/2" x 3/4".

...and 3K posts.
I like the beefy look of 1/2 id 3/4 od
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post #9 of 15
7/16 ID 5/8 OD for me, living on the edge with clampless over 1/2 black matte barbs. Now women want to have my babies.
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post #10 of 15
Quote:
Originally Posted by wondergod View Post
7/16 ID 5/8 OD for me, living on the edge with clampless over 1/2 black matte barbs. Now women want to have my babies.
I have 3/8" on 3/8" without clamps. Over the edge?
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