These are made of strong wear-resistant alloy cast iron and hardness of no less than 58HRC. The overflow parts of this suction dredge pump include the impeller, sheath, and front and rear shields (wear-resistant liners). This device consists of 3 L-shaped seal rings and a shaft sleeve with special threads. The shaft seal of the 600WN-1000WN dredging pump uses a spiral sleeve L-shaped rubber seal device. The 200WN-500WN dredging pump shaft adopts a mechanical seal, packing seal, or mechanical seal plus packing compound seal. It is composed of a pump head, reduction gearbox, highly elastic coupling, and a marine transmission monitoring system. This model is a single-stage, single-suction, horizontal centrifugal pump. Adopting advanced technology, this pump is widely used in cutter head dredgers or other dredging equipment. The WN(Q) series sand dredge pump is a new dredge pump developed by our company.
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