quick disconnects

Soldato
Joined
22 Dec 2008
Posts
10,369
Location
England
Hey. I'm likely to be moving to i7 soon, and I don't think my internal radiators are going to cope. I'm looking at adding a triple externally, I'll make it some form of box. So I'll need two tubes and a power cable connecting it to my computer. Power I'm thinking of using 3.5mm headphone jacks to carry the 12V for the fans, soldering the fans onto one socket, and soldering a molex onto another. I'm fairly sure this will be fine.

Tubing is more difficult, as quick disconnects seem like a good idea but I don't know much about them. I use 8mm ID inside the computer, but in the interests of having the external far from the computer without excessive restriction I'm thinking of using 1/2" ID tubing externally. So first off, will 8mm to 1/2" to radiator to 1/2" to 8mm cause any problems, and will it actually be better than 8mm throughout?

Next up, quick disconnect fittings. I assume you pull firmly, they come apart, and a small amount of water hits the floor. I guess four would be ideal for the radiator, but two would suffice if I left tubes connected to one of the boxes. If I use these at the inlet and outlet of the radiator, how do I drain it when it's not attached to the system?

Say I use them beside the case, so bulkhead fittings to quick disconnects. Is it practical to remove the radiator, and connect a short length of tube with appropriate fittings across the two fittings? As a means of using the system without the external radiator, obviously at lower clock speeds.

Finally I suppose, how watertight are they? Can I have water going into a T junction, with a QD opposite the inlet and sending the water through 90 degrees without it leaking?

Sorry for so many, probably obvious questions. Cheers
 
I was thinking lower flow velocity through the 1/2" tubes, but through the radiator itself flow rate would be the same as using 8mm throughout? Volumetric flow rate constant throughout the loop. I could well be wrong there though

Fantastic post besides this part confusing me, thank you. £20 a pair is rather high, I may have to look into alternatives. Cheers again
 
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