The company mainly produces a series of new plastic pipe products, including PE/PP/PVC water supply, drainage, gas, mining, chemical, municipal, and power.
How to choose water supply pipes for municipal engineering projects? Which is better, HDPE pipe or PE pipe?
PE pipes are polyethylene plastic pipes. PE is a relatively basic type of plastic with excellent resistance to most household and industrial chemicals. PE pipes can be divided into low-density polyethylene pipes, medium-density polyethylene pipes, and high-density polyethylene pipes.
Aug 10,2022
Municipal engineering water supply pipelines are one of the important projects for our daily water use. So how should we choose the pipelines that transport this domestic water? Should we choose HDPE pipes or PE pipes? What are the differences between HDPE pipes and PE pipes?
HDPE pipe is a type of PE pipe. The difference between it and ordinary PE pipe is:
1. HDPE pipes must withstand a certain pressure, and usually high molecular weight and good mechanical properties PE resin should be selected, such as HDPE resin. The strength is 9 times that of ordinary polyethylene pipes (PE pipes);
2. Among all engineering plastics, HDPE has the best wear resistance. The higher the molecular weight, the more wear-resistant the material is, even exceeding many metal materials (such as carbon steel, stainless steel, bronze, etc.), while ordinary PE does not have this characteristic;
3. HDPE pipes are the replacement products of traditional steel pipes and polyvinyl chloride drinking water pipes. Ordinary PE pipes do not work.
4. HDPE pipelines are mainly used for: municipal engineering water supply systems, building indoor water supply systems, outdoor buried water supply systems, residential areas, factory buried water supply systems, old pipeline repair, water treatment engineering pipeline systems, garden, irrigation and other industrial water pipes. Medium-density polyethylene pipes are only suitable for transporting gaseous artificial gas, natural gas, and liquefied petroleum gas. Low-density polyethylene pipes are soft pipes.
HDPE pipe is a high-density polyethylene pipe, the material is "HDPE", which is short for "High Density Polyethylene". HDPE is a highly crystalline, non-polar thermoplastic resin. The original HDPE has a milky white appearance and is semi-transparent to a certain extent in thin sections.
PE pipe is a polyethylene plastic pipe. PE is a more basic type of plastic with excellent resistance to most household and industrial chemicals. PE pipes can be divided into low-density polyethylene pipes, medium-density polyethylene pipes, and high-density polyethylene pipes.
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Development prospects of large-diameter (large-caliber) pressure pipes
The application of plastic pipes, both domestically and internationally, started with smaller diameters and gradually developed towards larger diameters. (There is no defined definition for large diameter; in this article, large diameter refers to diameters of 800mm and above.) It is worth noting that in recent years, there has been a major international trend towards the development of large-diameter plastic pipes, driven by environmental protection. As is well known, the world is currently facing a battle against climate change, and all countries must bear the responsibility of reducing carbon emissions. In the pipeline industry, there is undoubtedly a need to pay more attention to environmental impact.
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Fuqing Yuanhong Investment Zone, Fujian Province
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