PNSL series of vertical sand pump is designed by  our company after improning the same type of foundation products in the domestic .The improved pump PNSL has high efficiency, good over-current conditions, wear corrosion, long service life, widely used in dredging rivers and lakes sediment fill operation. The pump not only can be carried out dredging and fill operations with high pressure hydraulic excavation and filling components, but also can desktop pumps and horizontal landing ship tandem combined with mud pump operating base.