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Spray-Applied PUR Insulated Direct-Buried Pipe with Polyethylene-Wrapped Casing – 06

Source:http://www.sdhpgy.com Date:2023-10-25 Posted by:admin



硬质聚氨酯喷涂聚乙烯缠绕预制直埋保温管结构特点:由工作钢管(芯管),喷涂聚氨酯保温层,挤出聚乙烯缠绕外护层组成。保温层厚度和外护层厚度在生产时可以根据需要在一定范围内任意调整。可根据集中供热和供冷中介质的参数和实际的散热损失所要求的保温层厚度进行定量生产,满足不同项目的需求。
采用喷涂缠绕工艺生产的预制直埋保温管,具有以下特点:
1、聚氨酯保温层密度、导热系数、抗压强度等核心指标均匀一致,产品整体性能好。
2、提高了保温层的闭孔率,降低了保温层的吸水率。
3、减小了保温管轴线偏心距,提高了管道整体保温层密度的均匀性。
4、提高了保温层的压缩强度,降低保温层的导热系数,减少能源损耗。

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