Posted 3/9/2013 19:23 (#2953621 - in reply to #2953266) Subject: Re: Roller pumps
You need just over 14 gpm with that speed, width and rate. Look up the specs on the pump at the pressure you need for your answer. Speed x width (in inches) x rate / 5940 = gpm. Keep in mind you need some extra capacity for agitation too.