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聚氨酯发泡保温管道的施工工艺

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聚氨酯发泡保温管道的施工工艺

发布日期: 2018-03-06 12:49:36来源: 本站 人气:186

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  聚氨酯发泡保温管道159彩票现场接头保温须在试压合格后方可进行,现场接头保温施工。这一项内容是预制直埋管道施工特有的施工质量好坏直接影响使用寿命。保温层有现场发泡施工和保温瓦施工两种方法,不论采用哪种方法施工,都不能出现环形空间,开裂、脱层等缺陷,维护层的做法有多种但都必须保证接头的整体性,严密性,防水性。

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