Gorman-Rupp Pumps 81 1/2P47A-B Self Priming Pump

The Gorman-Rupp 81 1/2P47A-B is a self-priming centrifugal pump designed for handling mild solids. It features a 1 1/2,Äù x 1 1/2,Äù NPT female size and is constructed with a polypropylene casing, making it suitable for various applications. The pump operates at a maximum pressure of 44 psi (303 kPa) and is equipped with a semi-open type, four-vane impeller that can handle spherical solids up to 9/16,Äù in diameter. The impeller shaft and bearing housing are made from alloy steel, ensuring durability, while the pump includes self-lubricated radial and thrust bearings. The mechanical seal is designed with a ceramic rotating face and a carbon stationary face, capable of handling liquids at temperatures up to 160¬8F (71¬8C). Weighing approximately 8 lbs (3.6 kg), the pump is lightweight and easy to install. It is important to note that this pump should not be used in explosive atmospheres or for pumping volatile flammable liquids.