Rigid polyvinyl chloride (PVC-U) reinforced pipe knowledge
product manual PVC-U reinforced pipe is a new type of PVC-U pipe that adopts advanced foreign formula, is continuously extruded by unique process equipment, has a smooth inner wall, and has vertical reinforcing ribs on the outer wall. It is mainly used for buried sewage and drainage systems. Because the outer wall adopts the principle of I-shaped steel, PVC-U reinforced pipes have unique perfor