Different from plastics and traditional materials, the pace of technological advancement is faster, and the emergence of new technologies, new materials, and new processes has made the advantages of plastic pipes more traditional than traditional materials. Compared with traditional metal pipes and cement pipes, plastic pipes are light in weight, generally only 1/6-1/10 of metal pipes, have good corrosion resistance, impact resistance and tensile strength, and inner surface ratio of plastic pipes. The cast iron pipe is smooth, the friction coefficient is small, the fluid resistance is small, the water consumption energy can be reduced by more than 5%, the comprehensive energy saving is good, the manufacturing energy consumption is reduced by 75%, the transportation is convenient, the installation is simple, and the service life is up to 30-50 years. .
Polyethylene pipes have developed rapidly in countries all over the world in the past 10 years. Developed countries have taken an absolute advantage in the application of polyethylene pipes in the water supply and gas fields. Polyethylene pipes are not only used to replace traditional steel pipes, cast iron pipes, etc., but also replace PVC pipes. The reason is the innovation of polyethylene pipe technology in the past 10 years. On the one hand, the material has made significant progress. Through the improvement of the polyethylene polymerization production process, the strength of the polyethylene pipe material has almost doubled.
On the other hand, there are new developments in application technology. For example, in recent years, there is no need to excavate pipe trenches. The technique of laying polyethylene pipes by directional drilling method gives full play to the superiority of polyethylene pipes, making traditional pipes suitable for this method. There is no competitive ability at all. At present, there are still many new materials and new technologies being studied, or have been researched and tested. It is certain that the technological progress of plastic pipes in the next 10 years will promote the development of plastic pipes more rapidly and wider.
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