... -resistan 3.high efficiency and obvious energy-saving marine sand dredging pump is designed in the reference of two phase ... the medium with solid particles. The pump is applicable for dredging inland channel, exploiting seashore, and conveying the slurries with ... The pump is applicable for pumping sand for building, powdery sand, silt, tailing slurry, ore, iron sand ore, sediment in sewage treatment ...