IS series centrifugal water pumps applies to convey water or other with physicochemical properties similar to water at a temperature not exceeding 80℃, can be used for urban water supply, drainage and agricultural irrigation and other purposes. The mchines haave excellent abrasion and corrosion resistance and can operate stably in harsh working environments. In addition, the centrifugal pump is designed with a sealing device that successfully prevents leakage and ensures the safe operation of the pump.