sizing vfd
sizing vfd
(OP)
need assistance to sizevfd to run a pump to deliver 400 gpm and 150 ft head, and also 600 gpm at 200 ft make any assumptioms take 50 hertz
tyvm
tyvm
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RE: sizing vfd
RE: sizing vfd
"Will work for salami"
RE: sizing vfd
RE: sizing vfd
HP = GPM x Ft. (head) x specific gravity of the fluid / 3960 x pump efficiency. So 400 x 150 (SG of water being 1) / 3960 = 15HP, so you must be assuming about a 60% efficiency to get to 25HP.
On the other one I get 30HP w/o eff, so same thing, at 60% eff it comes to 50HP.
Those are conservative number, good for estimating I suppose.
"Will work for salami"