... 3, ISO&CE passed pump 4,competitive price 5,double casing 1,China high quality centrifugal diesel drive dredging pump a) Caliber: DN200 ... performance, perfectly suited for the dredge on the whole construction, high multiple economy benefits, etc.. It throughout meets requirements of the ... application. It can be used in various kinds of soil quality. Generally, the pump is matched with an impeller with 3 ...