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NSQ series submersible sand pump is single suction vertical centrifugal pump, which is the result of years of research. The electric motor and water pump are in the same shaft, working into the medium. The equipment is designed for excellent performance, wide flow, strong discharge waste, good material, strong resistant to corrosion. It applied to transport the liquid of solid particles with sand, cinder coal etc. It is widely used for river or lake dredging field. it’s the best for your choice.