This series of products have the characteristics of reasonable structure, high efficiency, long service life, high reliability, easy maintenance and low operating cost. It is widely used in power, metallurgy, mining, coal, building materials, chemical and other industrial departments to transport corrosive or corrosive slurry, especially for power plant ash transportation. The flow rate is 92m3/h-1599m3/h and the lift is 25m-95m.