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国内外塑料管的应用都是从较小直径起步,逐步向较大直径(800mm直径以上)发展。塑料管道较传统的钢铁管可有效减少碳排放,出于环境保护的重视,近年以来国内外市场上大直径塑料管出现了良好的发展态势。1市场需求日益增加大直径塑料管包括压力管和无压管两大类,其中大直径无压塑料管都用结构壁管,包括全塑料的
The application of plastic pipe at home and abroad are starting from the smaller diameter, and gradually to the larger diameter (800mm diameter and above) development. Plastic pipe more traditional steel pipe can effectively reduce carbon emissions, for environmental protection attention, in recent years, large diameter plastic pipe in the domestic market has shown a good momentum of development. A growing market demand Large-diameter plastic pipe, including pressure pipe and pressure-free pipe two categories, including large-diameter non-pressure plastic pipe wall pipe structure, including all-plastic