CN109945003B - 一种具有frd双密封即时检测闭水承插接头的聚烯烃排水管 - Google Patents
一种具有frd双密封即时检测闭水承插接头的聚烯烃排水管 Download PDFInfo
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CN111271524B (zh) * | 2020-01-20 | 2021-06-11 | 福建省水利水电工程局有限公司 | 玻璃钢夹砂供水管的施工方法 |
CN112524356B (zh) * | 2020-12-04 | 2023-04-07 | 成都中企动力技术服务有限公司 | 中空结构壁缠绕管双头承插密封结构及密封试验方法 |
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CN201818937U (zh) * | 2010-10-14 | 2011-05-04 | 中冶天工集团有限公司 | 管道用双密封承插口结构 |
CN105605335B (zh) * | 2015-11-09 | 2018-04-27 | 上海万朗水务科技有限公司 | 一种用于顶进施工的大口径预应力钢筒混凝土管 |
CN110494730B (zh) * | 2017-03-31 | 2021-04-09 | 芝浦机械电子装置股份有限公司 | 加热管的气体泄漏检测装置以及加热管的气体泄漏检测方法 |
CN107314177A (zh) * | 2017-08-11 | 2017-11-03 | 昆山普拉斯克机械制造有限公司 | 承插口、试压方法及管网 |
CN207095803U (zh) * | 2017-09-01 | 2018-03-13 | 四川新为橡塑有限公司 | 一种bt密封圈及bt密封圈注脂试压工装 |
CN207456714U (zh) * | 2017-10-01 | 2018-06-05 | 泉州永骏自动化科技有限公司 | 一种用于钢承插口式钢筒水压机 |
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