A variable-speed motor (VSM) can be another useful tool for the operator, but only when he/she knows how to use it.
A check valve on the suction side of a centrifugal process pump will likely starve the pump of energy. Now having said that, some lift type pumps have what they call a “foot valve” on the suction pipe.
During this week’s Pump Guy Seminar in Chicago, Larry Bachus (“The Pump Guy”) explained how 85 percent of pump cavitation problems can be alleviated.
Dear Pump Guy: I am the pump system specialist at a water and wastewater authority. I need to pick your brain.