When you specify Gorman-Rupp, you benefit from worldwide service centers, knowledgeable engineers and a selection of nearly 3,000 pumps. Gorman-Rupp has been manufacturing pumps and pumping systems since 1933. Many of the innovations introduced by Gorman-Rupp have become industry standards. Pump models offered by Gorman-Rupp include self-priming centrifugal, standard centrifugal, submersible, rotary gear and diaphragm