Hey,
The scenario
I'm trying to figure out how much head I need on the pump to run my rather oversized coolant loop. I'd say it consists of maybye as much as 10meters (thats ca 33feet for you non-metrics) of 3/8" ID tubing, and several water blocks, say 5-6 for arguements sake, as well as a small HX.
The difference in height between the lowest and highest point in the loop is about 1,5 meters. The idea is to have the pump at the lowest end, and a compensating water-tank at the top. The tubing snakes its way up and down a few times (but not much) going from one end to the other if that makes any difference.
As far as flowrate goes, I am not really that concerned because the HX will suck out the heat so effectively (it remains at ca 12celcius constantly) that I think I will have all the cooling I need as long as there is atleast some circulation.
The suggestion
What I was hoping might work was an Iwaki MD-20 RZ (high-pressure version):
http://www.dtpetsupplies.com/catalog...re-rated-pump/
Note that the specs vary a bit apparently. I think it may be the difference between 50hz and 60hz power used on it. I will be using 220v/50hz. Anyway, the head is somewhere between 4,9meters and 22,6 feet and with Max system pressure 14.22 psi. Its hard to visualize pressure from that number for me, but it seems significant. perhaps someone else can interpret it better than I.
http://www.iwakipumps.jp/e_products/...D_E0015_11.pdf
Not to go off-topic, but if anyone knows for sure why there are two values for the specs like head, please let me know so I can stop speculating
What do you guys think. Think this can do the job? the next step up would be the MD-30 RZ (high pressure version), but that one is quite a monster. I'd prefer to keep from going totally overkill if I can
Please post your thoughts and advice.
edit:
I added a pic of the actual label on the pump to illustrate what I'm talking about when I say there are two values for many of the specs. I'd love it if someone could tell me how to interpret that.
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