The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...
Gorman-Rupp is pleased to offer a VFD (variable frequency drive) option for the Prime Aire® PA6C60C-B-E50 priming-assisted pump model. The 6” x 6” (150 mm x 150 mm) pump provides flows to 2,000 GPM ...