... series dredge pump is a single-stage single suction cantilever horizontal centrifugal pump with advantages of light weight, good ... and 500WN are single-casing, single-stage, single-suction, cantilever and horizontal dredge pumps . According to the connection with the ... and 1000WN are double-casing, single-stage, single suction, cantilever and horizontal dredge pumps.They are self-carrying bracket with ...