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Application of polyethylene plastic-coated steel pipe in electric power
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Application of polyethylene plastic-coated steel pipe in electric power

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Application of polyethylene plastic-coated steel pipe in electric power

Update:2023-09-25   View(s):310   Keywords :Application of polyethylene plastic-coated steel pipe in electric power
Polyethylene plastic-coated steel pipe is a steel-plastic composite pipe made by treating the steel pipe with special technology and coating the inner and outer surfaces of the steel pipe with a special polyethylene plastic powder material. Because polyethylene has antistatic, flame retardant, anti-corrosion, and other characteristics combined with the strength of steel pipes, it perfectly exhibits the unique characteristics of steel and plastic. It is an energy-saving and environmentally friendly product promoted and used by the country. With the development of the electric power industry, information industry, and national economy, environmental protection issues have gradually attracted everyone's attention. Cable grounding has been widely promoted in the construction and transformation of urban power grids, making cable protection tubes more and more widely used. , using pipe laying, simple construction, low investment, and convenient maintenance. The use of cable protection pipes is not only beneficial to the improvement of urban appearance, transportation, and environment but also can prevent the mutual influence between cables and the impact of other underground pipelines on the cables. Greatly reduces cable failures caused by external force damage and extends the service life of cables. Currently, there are many types of cable protection tubes with different functions. They can be summarized into the following categories: metal materials, such as plastic-coated steel pipes, galvanized steel pipes, etc. Steel pipes, cast iron pipes, seamless steel pipes, etc.; Velen cement pipes; glass fiber reinforced plastic pipes; plastic pipes. Among them, plastic-coated steel pipes combine steel pipes and plastic pipes and are the products of cable protection pipes.

Polyethylene plastic-coated steel pipes are smooth and smooth internally, have extremely strong chemical stability and corrosion resistance, excellent mechanical properties and outstanding electrical insulation, strong adhesion, heat resistance, fire resistance, and good heat dissipation properties. At the same time, they have The two-layered advantages of steel pipes and plastic pipes and are widely used in electric power, municipal administration, communications, transportation, mining, petroleum, chemical industry, construction, and other industries. Plastic-coated steel pipes are the same as steel pipes. For single-core power cables, electromagnetic induction will Eddy currents occur in the steel pipe, which affects the operation of the cable. Therefore, it is required that "the single-core cable must not pass through the steel pipe alone."