Quote:
Originally Posted by mike31154
Ok, so not sure what your head loss is now since you're rethinking that calculation, but I will be doing a basement sump setup soon and have purchased a lightly used Panworld NH-150PS external pump in anticipation. Don't have the flow chart numbers at my fingertips but I do know it is pressure rated/biased for up to 23 feet of head. I anticipate having somewhere between 11 and 16 feet of head loss and I believe the NH-150PS will deliver around 700 gph under that.
Panworlds are similar/comparable to Iwaki pumps but somewhat less costly and I've seen only positive reviews on various forums so far. I've run mine for a short period in a mock up scenario with only a few feet of head pressure and it works well. A good hum to it but not overly noisy. Noise is not a huge factor with a basement sump anyhow.
I had originally wanted to do a 90 gal, but will probably go with a 120 now so I'm pretty sure this pump will fit the bill. I will be teeing off the return with a manifold to regulate any excess flow as suggested by Kien. Should be no trouble finding a use for any extra flow with refugium, skimmer etc. Can always plumb multiple return nozzles to distribute the flow in the display as well. On the discussion of external vs. internal, I've actually been contemplating running both, external in summer and internal in winter to help warm the water since it's cool in the basement.
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Mike, I would really like to see this once it's done. On my next build I will be doing a basement fish-room/sump with a Sequence 3600 Blackfin that I bought.