... HDPE Pipe for dredger is most suitable for mud & sand delivery and discharge, the performance is as follows:1. The weight of HDPE Pipe is light, ... degrees. Good resistance of stormy waves, On land of connection, the concave-convex is within 30 degrees of area, can ... temperature.6. HDPE Sand Delivery Pipe is either on land or water for using, total engineering cost is low, high efficiency, safer, ...