THE Gorman-Rupp T2A3-B is a rugged, self-priming, centrifugal solids-handling pump. The pump has an external removable flap valve that can be removed and inspected without the inconvenience of disconnecting the piping or draining the pump casing. In addition, if any choking does occur, the pump can be easily unclogged via the removable cover plate. The design of the pump also allows users to adjust the clearance externally to ensure optimum performance without having to pull it apart. The removable rotating assembly lets the shaft be inspected or replaced by simply loosening four bolts.