1,Capacity;600-25000 m3/h 2,Head; ... .This series slurry pumps are featured by good structure, fine dredging function, long lifetime, high efficiency, reliable shaft ... -all structure for dredges and reliable and simple operationDredging pumps 200WN – 500WN are single casing, single suction, ... it is oil or water lubricated.Easy for disassembly and maintenanceWN(Q) dredging pumps is disassembled in its ...