Polyethylene-coated steel pipe is a steel-plastic composite pipe made by processing the steel pipe through a special process and coating a special polyethylene-plastic powder material on the inner and outer surfaces of the steel pipe. Due to the combination of anti-static, flame-retardant, anti-corrosion and other characteristics of polyethylene with the strength of steel pipes, this province perfectly shows the common characteristics of steel and plastic. It belongs to the energy-saving and environmental protection products that the country focuses on promoting and using.
With the development of the power industry, information industry and national economy, environmental protection issues have gradually attracted people's attention. The entry of cables into the ground has been promoted on a large scale in the construction and transformation of urban power grids, making cable protection tubes more and more extensive. Application, using pipe laying, simple construction, low investment and convenient maintenance. The use of cable protection tubes is not only conducive to the improvement of city appearance, traffic and environment, but also avoids the mutual influence between cables and the influence of other underground pipelines on cables. Greatly reduce the cable failure caused by external force damage, and extend the service life of the cable. At present, there are many types of cable protection pipes and different performances. In summary, there are the following categories: metal materials, such as plastic coated steel pipes, galvanized steel pipes, cast iron pipes, seamless steel pipes, etc .; Weilun cement pipes; glass steel pipes; plastics tube. Among them, the plastic coated steel tube combines the advantages of the steel tube and the plastic tube, and is the best product for the cable protection tube.
The "Fuzong" brand polyethylene-coated steel pipe is smooth and smooth inside, with extremely strong chemical resistance and corrosion resistance, excellent mechanical properties and good electrical insulation, strong adhesion, heat resistance, fire resistance and heat dissipation performance it is good. At the same time, it has the double advantages of steel pipe and plastic pipe. It is widely used in power, municipal, communications, transportation, mining, petroleum, chemical, construction and other industries. Plastic-coated steel pipes are the same as steel pipes. For AC single-core power cables, electromagnetic induction will generate eddy currents in the steel pipes, which will affect the operation of the cables. The comprehensive cost performance is relatively high, and it is suitable for use under shallow buried roads, bridges, exposed, severe corrosion, fire protection, severe electrical interference, and heavy loads. The pipeline connection can adopt the socket method, which facilitates on-site construction.
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