The sand suction dredgers produced by Qingzhou Yongsheng Environmental Protection Dredging Equipment Co., Ltd. typically require horizontal, wear-resistant sand pumps with durable impellers.

Horizontal sand slurry pumps are designed according to the two-phase flow theory and are categorized into models: 250PN-30, 250PN-35, 250PN-40, 350PN-24, 350PN-35, 350PN-45, and 400PN-22. These pumps, after undergoing testing and industrial operation verification, feature high hydraulic efficiency and excellent wear resistance, maintaining stable performance during the transportation of media containing solid particles. They are suitable for river channel dredging, coastal embankment land reclamation, and for conveying slurry containing solid particles in industries such as coal mines, quarries, and power plants. The concentration of the conveyed medium can reach over 40%, with particle sizes up to 50 millimeters.