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Originally Posted by Shootingblanks
quick disconnect is dipicted in the pic to the right. how does that quick disconnect system work and which setup would be less likely to leak. I am building a custom external box and have the frame already done. Will be purchasing the lexan and aluminum to finish the box build. I went to home depot and got 1/2 barb fittings, one male and female to have as connectors equiped on case and external case due to I opted to go with these instead of the colder disconnects due to the 3/8" nominal flow. Hope this will be less restricted in the flow. I'll take a pic when my wife gets batteries for our digital camera tomorrow. Will be working on case build this week to accomodate my bonneville heatercore, pump, slave psu, and reservoir.
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For an external box... hrmm
well, i would suggest this:
FOA, I would definitely use colder quick-disconnects on the external box.
Not only because you can easily disconnect the external box, but also couplings can rotate while connected. I use Colder High Flow quick disconnects in all my systems.
You can get the high flow Colder quick disconnect couplings from usplastic.com :
1/2"OD Polypropylene Bulkhead Panel Mount Hose Barb Shutoff - Coupling Body
| Item No: 60695
1/2"OD Polypropylene Hose Barb Shutoff - Coupling Insert
| Item No: 60814
Now as for the tubing, you can either run 1/2"ID tube all around, or 3/8"ID x 1/2"OD (you can easily stretch 3/8"ID tube over 1/2"OD quick-disconnects).
If you have room inside the external box and think you can easily route 1/2"ID thick wall tubing, then use 1/2"ID tube inside the external box and get the pump with 1/2"OD barbs.
If the external box is small, and routing of 1/2"ID thick wall tubing is going to be difficult, then use 3/8"ID x 1/2"OD tubing in the external box and get the pump with quick-connects.
I also recommend using Coolingworks Coolsleeves for 1/2"OD tubing, to create kink-free sharp bends.
Click here for more info
Now from the external box to the computer, you can either go with 1/2"ID or 3/8"ID x 1/2"OD tube.
If you decide to go with 1/2"ID tube, I recommend using Colder panel mount quick disconnects on the computer enclosure as well.
I would personally use 1/2"OD tubing with Coolsleeves and simply insert the tubing from an empty PCI slot cover though. and use 1/2"OD male Quick-Connects on the block (s).
The most important thing here is kink-free, easy routing of tubing IMHO. So I suggest using 1/2"ID x 3/4"OD tubing (or 5/8"OD with Coolsleves) if you have room in the external box.
3/8"ID x 1/2"OD tube for the rest, and try to keep the length of tubing as short as possible. Again, stretching the ends of 3/8"ID tube over 1/2"OD Colder Quick-Disconnect couplings is easy, and you can use quick-connects on the blocks.
Hope this info helps.
Bruce