Can you use T-Line Fitting like this? (please see image upload)

animemangamer · Sep 19, 2017

The image above shows a schematic/diagram of what I'm thinking of doing and I know that the T-Fitting is usually used as a drain or barb but I'm thinking of using it like this.

1-outlet Pump/Reservoir > Radiator > T-Fitting > CPU/GPU > 2-inlet Pump/Reservoir

I know it's pretty common setup to do Pump/Reservoir > Radiator > CPU > GPU > Pump/Reservoir or vice versa. But like in my previous post I don't like to have tubing connection between the CPU & GPU because that's basically warm water coming CPU to GPU or GPU to CPU if you know what I mean.

So I thought of using T-Fitting:
http://www.xs-pc.com/hose-fittings/g14-t-fitting-black-chrome

Since my XSPC D5 Photon has 1-Outlet 2-Inlet I figured it may be possible. My only concern is if I use a T-Fitting will flow be equal towards the CPU and GPU?

butttface · Sep 19, 2017

Because the volume of cooling liquid is much greater than the contact area for the CPU and GPU, the water is not going to get that hot. It's more important to have a good flow rate to maintain a proper temperature gradient between the CPU/GPU and the cooling liquid. That being said, the T-connector will cut your flow rate by more than half because you're doubling the effective cross-sectional area of flow and introducing more impedance by altering the direction of flow with the connector. This can cause a situation where your pump does not have enough power to do what it needs to do. Worst case scenario is that all the water will flow to the GPU because it doesn't have enough power to pump it there and all the way up to the CPU.

What you have is honestly a pretty clever idea, but it will almost surely work better by going to the CPU first then the GPU.

animemangamer · Sep 19, 2017

butttface :

Yes you have an excellent point. That is indeed my concern is that the liquid might not flow well into the CPU from the T-Line not like the GPU which is a hybrid that has 2 fans to cool it even without liquid. Since the D5 Vario has a speed setting from 1 ~ 5 will it matter or help if I set it to maximum speed settings?

It's understandable given the nature of a T-Line but what about a Y-Splitter instead would it have better flow?:

Vellinious · Sep 19, 2017

You can, but running parallel like that will cause uneven flow rates and you'll lose head pressure. I'd advise against it.

butttface · Sep 19, 2017

animemangamer :

In theory the y-splitter would be better, but only by a small margin. The major cause of decreased flow rate (and head pressure) is splitting the flow into parallel streams. If you really want to have separate streams, the best thing to do would be to have 2 separate pumps for the GPU and CPU. Multiple pumps could realistically share the same fluid reservoir using t or y connectors.

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Can you use T-Line Fitting like this? (please see image upload)

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