In the water supply and drainage pipeline system, plastic pipes have gradually replaced traditional pipes such as cast iron pipes and galvanized steel pipes as the mainstream use of pipes. Compared with traditional pipes, plastic pipes have significant advantages such as light weight, corrosion resistance, low water flow resistance, energy saving, easy and rapid installation, and low cost, which have been favored by the pipeline engineering industry. At the same time, with the rapid development of the petrochemical industry and the continuous advancement of plastic manufacturing technology, the production of plastic pipes has grown rapidly, and the types of products have become more diversified.
HDPE pipes have become the second most consumed plastic pipe variety in the world, following PVC-U drainage pipes. Gas transportation should use medium or high-density polyethylene pipes with PE80 and PE100 grades; Water supply pipes usually use medium or high-density polyethylene pipes of PE80 and PE100 grades, and PE63 has gradually become obsolete. In terms of water delivery, the fastest growing system is the PE100 pipeline system, with a growth rate expected to reach over 10% in the next five years.
In Europe, HDPE pipes have experienced more rapid development and application, gradually replacing PVC-U pipes as the main consumer pipeline. Meanwhile, HDPE pipes are gradually being used outside of Europe.
