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Alphacool water cooling users thread - Page 14

post #131 of 480
Hi guys,

I'm building my first water cooling loop and stupidly decided to take the hard route with acrylic and wondering if any of you could help me out.

I'm having trouble fitting the 13mm OD alphacool tube into the 13mm alphacool HT fitting. From all my searches I see the general concencus is to sand the tube to reduce the outer radius, and use silicone gel to slide the tube past the second o-ring. I have some wet and dry paper so I'll try this it'd just be really helpful if someone has done this and has specifics and tips on doing it to reduce the chance of leakage.

First of all it's so annoying the tubes don't fit the fittings when they're both alphacool. I tried lubing the pre-chamfered tube and pushing and twisting it into the fitting (holding the tube and fitting, not in the system) with quite a lot of force and the tube barely slipped in. And when it did so it felt like it was going to pop out again.

So if it helps specific questions really are:

1) How much force should you really have to use to fit the tube? (As I'm fitting the tube to fittings already in the build you surely shouldn't have to use THAT much force?)
2) Any tips when sanding the OD? I have p800 wet and dry so should give quite a smooth finish, does it need to be effectively polished to ensure a leak free fit?
3) If I bought 1/2" hard tubing - so 12.7mm OD, would that solve all my problems? (obv don't feel like I should have to!)

I really don't want to have to apply much presure to get the acrylic in, so if the only way of ensuring a leak-free fit is to really really force the tube I might have to abandon the acrylic.

Pics below of the build in it's current state and tube/fitting. The red line is the link I'm currently trying to make.

Thanks in advance for any help!





post #132 of 480
Hi Jimmer,

The tube need to be placed into the fitting like so:



Firstly sliding the compression ring, then the flat o-ring and round o-ring on to the tube then the tube can be placed int he bottom of the fitting - it will only go in 3-4mm here then the other o-rings should be brought down the tube and compressed with the nut for a secure seal.

If the tube is not fittings through the compression nut there is a problem
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post #133 of 480
Hi AT-Pascal, thanks very much for your reply.

I have already assembled the tube/fitting as your describe above, putting the compression nut on the tube followed by the flat ring and o-ring, first. And they do all fit smile.gif
The problem I'm having is when I insert the tube into the main fitting, the tube doesn't push past the second o-ring (the one fitted inside the main fitting).
You say the tube should only go into the main fitting 3-4mm here. Am I being mistaken and the tube chamfer should actually only sit against the main fitting o-ring, and not PASS and push through the o-ring? I did consider this, but thought the whole idea of having two o-rings was that the tube pushes past both of them.
Hopefully I'm wrong here because it would mean they fit fine as they are! I just know I've read about people having trouble pushing the tube past the second o-ring on the EK fittings.

Cheers
post #134 of 480
The are supposed to go past but only a few mm so it can be hard to judge if they have gone past if you wet the inner oring slightly before installing the tube that should help.
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post #135 of 480
I am starting to piece together a custom loop, I will be cooling a i7 4790k and two GTX 970 g1's. I have on the way a Nexxxos XP3 Light (cpu block), 2 Nexxxos GPX M03(gpu block) and 2 XT45 480mm radiators. I am trying to decide what to do with pump(s) and reservoir. I like the idea of running redundant pumps since I keep my machine running almost all the time but I'm not sure if I should go DDC or D5. I am also unsure on what size reservoir (tube style) would be ideal, or how much of a difference the reservoir size really makes.

Space isn't really a concern (Core x9) and noise isn't much of a concern. Any help on choosing pumps and reservoir would be greatly appreciated.
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post #136 of 480
Quote:
Originally Posted by AT-Pascal View Post

The are supposed to go past but only a few mm so it can be hard to judge if they have gone past if you wet the inner oring slightly before installing the tube that should help.

I had another crack at this and tried a few things. I found some silicone grease, which helped, and I sanded down the OD of the tube as there was no way it was fitting in without. I actually, in the end, abandoned rigid tubing. Basically was half way through making the first length and just decided it would take to long. I'm short on time at the moment so I've bought some cheap as chips rubber tubing and compresion fittings. I'm just going to plug that in and when I get some more free time I'll come back to rigid. It was a lot of fun but take a lot of time!

Thanks for your help and suggestions I'll give it another crack next year.
post #137 of 480
Didn't realize this club/thread existed smile.gif

6x Monsta 480s
2x Monsta 560s










edit: all rads tapped to 6-32
post #138 of 480
Quote:
Originally Posted by wermad View Post

Didn't realize this club/thread existed smile.gif

6x Monsta 480s
2x Monsta 560s
Warning: Spoiler! (Click to show)








edit: all rads tapped to 6-32

Wow! Just wow! What are you cooling there? A min-nuclear reactor? biggrin.gif

Btw nice rig. Looks great! thumb.gif
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Koniakki
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post #139 of 480
*** are you doing ? youve got enough rad space to cool my enitre house almsot..just sheer WOWOWOWOWOWOWOWZERS:thumb:
post #140 of 480
Quote:
Originally Posted by wermad View Post

Didn't realize this club/thread existed smile.gif

6x Monsta 480s
2x Monsta 560s Warning: Spoiler! (Click to show)







edit: all rads tapped to 6-32

I now understand the name, madness!! indeed
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