It is mainly used in sewage treatment, farmland irrigation, flue gas desulfurization of thermal power plants, mining, metallurgy, municipal administration, electric power, coal, petroleum, chemical industry, building materials and other industries. This series of pumps are vertical centrifugal slurry pumps, which are immersed in liquid and suitable for conveying abrasive, coarse particles and high concentration slurry. There is no need for any shaft seal and shaft seal water, and it can work normally under the condition of insufficient suction.