I can't go down in impeller size because I need a higher head. I can increase the flow by some but I am probably needing to find a different pump with a larger range of flows in order to do this. The pump I have spec'ed is maxing out at 16 gpm. That only allows me to recirc 5 and no more than...
I have a system set up where a centrifugal pump supplies a low flow (about 11 gpm) to an elevation about 50ft (250 ft of head) and recircs back to the tank. I currently have a pressure at the user of about 60 lbs. How can I lessen this pressure at the user? I've tried a FCV on the recir at the...