Gorman Rupp Centrifugal Trash Pump. Note: Nameplate is missing on pump, but the case look and dimensions match the Gorman-Rupp model T6A3-B. Flow rate for new pump is 1500 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. Gorman-Rupp T Series, self-priming centrifugal trash pumps are all designed for sewage and industrial wastewater handling. This trash pump can handle liquids with solids content up to 3 in. dia. Impeller diameter: 11.25 in. Ports: 6 in. North American Electric Motor: 30 HP, 230/460 Volts, 1770 RPM, 285T Frame, 3-phase, 60 HZ (also rated for 50 HZ). (ACN94)