KWP series sewage centrifugal pump is characterized by high-efficiency, no clogging, rear dissembling structure and convenient maintenance and overhaul; there are a variety of impellers to be selected. (K-type closed without clogging, N-type closed multi-vanes, O-type Open, F-type free flow, E-type single-vane and Ex-type widened-flow route single vane impeller); the horizontal and vertical dual-use installations, the pit installation or the dry installation are all elected. The pumps can be used for conveying clean water, various sewages, wastewater and sludge slurry. They can be applied to the city water supply system, the water plants, the breweries, the chemical industry, the construction, the mining, the metallurgy, the paper making, the sugar producing and the canned food industry, particularly applicable to the sewage treatment works; meanwhile, some of the impellers are suitable for conveying the object which contains solids or long-fiber non-abrasion solid-liquid mixtures. They are widely used in the lossless transportations of fruits, potatoes, sugar beet, fish, grains and other food.