1.Dredging sand pump 2.For mining and sand 3.ISO9001 4.As your drawing 5.Corrosion ... bearing housing for easy adjustment of impeller clearance. Features 1.The wetted parts of the pump are made of ... than 20 meters 5.Working position:vertical Application: 1.Absorb the sand in the river, lake and sea.2.Absorb ... the silt and sand in the river, lake, sea, reservoir , pound , ...