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how does quick disconnect work?

post #1 of 13
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how does it work? i have a koolance exos 2.5 system i was trying to sell, but it seems like no1 interested. I am thinking to mod it with triple rad and add a good WC block and use it as external WC unit top of my case. It came with Quick Disconnects and i wonder what they do?
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post #2 of 13
I like to know to, I have thought about put some in my loop. but i am scared to put them in the main part because i am scared it would restrict flow.
    
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post #3 of 13
Quick disconnects have a "floating" pin or ball in the fitting. This pin, when pushed in, allows water to flow around it through the fitting. By default the pin is out and therefore sealed due to pressure of the water behind it. When you connect a hose to the other side, the pin is pushed in by the 'male' end of the hose and forced open. As soon as you pull the hose out the pin pops out and seals, so you can disconnect it while water is flowing through the tube and it will automatically seal up, letting only a couple drops out.

Google for videos on it.
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post #4 of 13
Quote:
Originally Posted by Darkshadow74 View Post
I like to know to, I have thought about put some in my loop. but i am scared to put them in the main part because i am scared it would restrict flow.
the good ones barely restrict flow at all now.
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post #5 of 13
Quote:
Originally Posted by railfan844 View Post
Quick disconnects have a "floating" pin or ball in the fitting. This pin, when pushed in, allows water to flow around it through the fitting. By default the pin is out and therefore sealed due to pressure of the water behind it. When you connect a hose to the other side, the pin is pushed in by the 'male' end of the hose and forced open. As soon as you pull the hose out the pin pops out and seals, so you can disconnect it while water is flowing through the tube and it will automatically seal up, letting only a couple drops out.

Google for videos on it.
Quote:
Originally Posted by railfan844 View Post
the good ones barely restrict flow at all now.
this
review of some QDC's here: http://skinneelabs.com/quick-disconnect-roundup/

I highly recommend the koolance VL3N series
they don't/only leak 1 or 2 drops of liquid when disconnected
I have the VL3N series myself
post #6 of 13
Quote:
Originally Posted by turk-fx View Post
how does it work? i have a koolance exos 2.5 system i was trying to sell, but it seems like no1 interested. I am thinking to mod it with triple rad and add a good WC block and use it as external WC unit top of my case. It came with Quick Disconnects and i wonder what they do?
Quote:
Originally Posted by Darkshadow74 View Post
I like to know to, I have thought about put some in my loop. but i am scared to put them in the main part because i am scared it would restrict flow.
The flow restriction due to QDCs is not much. Read the Skinnee's report mentioned above.

I think the usage of two pairs of QDCs is exactly what Koolance had in mind originally when they designed the Exos 2.5.

A CPU waterblock, with its inlet and outlet connected to one pair of QDCs, can be quickly connected/disconnected from the Exos 2.5 whose rear inlet and outlet are also connected to a second pair of QDCs.

I am currently using Koolance VL2N QDCs which allows me to separate my entire cooling system from the CPU in the most painless way. See 1st pic below. All I need to do is to disconnect the two pairs of QDCs at that junction point. You can do it similarly. Installing the QDCs just outside the slot adapter seems like a good place. (see 2nd pic).


Edited by windfire - 4/8/11 at 11:33pm
post #7 of 13
So for a completely mess free system, you'd want 4 sets of QDC's? 2 at the RES and 2 at the RAD?

I want an easy to maintain 1gpu/1cpu loop, but these things are pricey!
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post #8 of 13
Quote:
Originally Posted by Nytehawk View Post
So for a completely mess free system, you'd want 4 sets of QDC's? 2 at the RES and 2 at the RAD?

I want an easy to maintain 1gpu/1cpu loop, but these things are pricey!
I think it is one set for each component in the loop.
That is how I am doing it. I am using 3 pairs for 3 components (CPU, res, 'rad').
post #9 of 13
Quote:
Originally Posted by windfire View Post
I think it is one set for each component in the loop.
That is how I am doing it. I am using 3 pairs for 3 components (CPU, res, 'rad').
oooh, 6 total?

I figure if you have one disconnect somewhere on every line(at either end), you're good.

so with a RASA system:

RES-QDC-CPU-QDC-GPU-QDC-RAD-QDC-RES
Edited by Nytehawk - 4/9/11 at 12:37pm
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post #10 of 13
Quote:
Originally Posted by Nytehawk View Post
oooh, 6 total?

I figure if you have one disconnect somewhere on every line(at either end), you're good.

so with a RASA system:

RES-QDC-CPU-QDC-GPU-QDC-RAD-QDC-RES
Yes, as you have 4 components in your loop (CPU, GPU, Res, Rad), the maximum that you need are 4 pairs of QDCs.
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