... pump producer 2,Mature casting 3,double casing marine dredging pump 4,diesel drive electric motor 5ISO 1,ZN ... series centrifugal Marine dredging pump aCaliber: DN200-DN1000mmb) Flow:600-25000m3/hrc) Head ... :20-85 md) Rotate speed:181-900r/min 2,features a) Advanced hydraulic model, CAD 3D design, high efficiency and obvious ...