HWLabs SR1 360

Pressure and Flow Results

When building your loop there should be a list of things that come to mind, flow and pressure should be near the top of that list. Pressure drop is the measurement of inlet pressure minus outlet pressure, or the pressure lost of flow through the radiator.

Test Method

I have the line from my wash basin in the mud room hooked up to the gate valve controlling flow, which then runs into the King flow meter. The bottom port on the flow meter is the inlet, top port is the outlet. The outlet runs down to the Delrin T which I have Bitspower 1/2″ barbs on for the normal flow, and the negative pressure line connects via an EnzoTech 1/4″ fitting. After the negative pressure T, the component in testing is attached. I always use Bitspower 1/2″ fittings, that keeps everything on a common test platform…well from a fitting perspective anyhow. At the outlet of the component is the positive pressure T fitting, again with Bitspower 1/2″ fittings and an EnzoTech 1/4″ fitting for the pressure line. The tubing the runs back into the wash basin and down the drain.

Pressure Drop Data Table

For many the data tables just don’t equate to meaningful information, so we have some charted data below with the HWLabs GTX360 included for some comparison. Now if you want to see how the SR1 measures up against other triples, well you’ll have to see that in the Triple Radiator Comparison which will be slimmed down and updated shortly after this review goes live. Overall, the SR1 360 is about average restriction for a radiator so there should be no concern about adding one or two on to your loop.

PSI Drop per GPM of flow

kPa drop per LPH of flow

If you’re a regular reader of skinnee labs than you’ll notice we dropped the mH2O per LPM, which I don’t think it was of much use as LPH seems to be the most widely used and kPa is the metric standard for pressure. It seemed like redundant charting anyhow, but if you want it back let us know.

Now before we dive into the thermal test results and what you’ve all clicked on the link for lets cover the Test Specification and Methodology that was carried out through testing. I tried just linking to my Test Spec, but a few folks got there panties in a bunch because I linked instead of including it in the page. So much for trying to save on your scrolling finger.

Moving on…

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