Flow Rate Testing

If you don’t know how to read a pressure/flow plot then check out our guide.  Testing was done by hooking up the block under test to a water faucet/tap and varying flow through it.  Flow was measured using a 5GPM King Instruments Rotameter, and pressure across the block was measured using a Dwyer differential manometer.  A Koolance CPU-380 block is also used here as a reference point:

980restriction

It can be seen that all but two of the blocks have similarly low restriction.  The XSPC is just outside the main group of blocks with acceptable performance.  While the restriction isn’t too bad, there is certainly room for improvement.

Onwards to thermal performance!

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3 COMMENTS

    • Well that’s the interesting thing – the backplate doesn’t come with instructions so it wasn’t clear. I’m used to a methodology that a washer gets inserted between the part that can turn and the part that is fixed e.g. between the screw and the backplate, or the nut and the pcb etc. So that’s what I default to if the instructions don’t tell me otherwise. In addition putting the washer between the PCB and the backplate means that you have to hold the block and pcb together, align the 10+ washers, then drop the backplate on top without shifting any of the washers. Either it looks ugly with washers out, or it’s hard to mount with washers internal. Looking at the XSPC’s website – it shows the washers in between the backplate and the PCB. I don’t think this affects performance testing at all, but it does negate my aesthetics comments. However I do think the hassle of putting them under the backplate is a negative so the overall rating would be the same even if the points shift from one category to the next!

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