Super T Series® self-priming centrifugal pumps from Gorman-Rupp offer an external shimless wearplate adjustment. This adjustment is as simple as a turn of the hand. The design results in a dramatic increase in impeller and wearplate life. The pumps offer a removable cover plate allowing for quick access to pump interiors without disconnecting piping. They are available in discharge sizes from 3" to 10" with flows up to 3,400 gpm and heads to 148 feet. Pumps 4" and larger are engineered to allow up to a 3" diameter spherical solid to pass through any critical area, including the recirculation port.Gorman-Rupp Co.www.grpumps.com