N 78 标准查询与下载
共找到 5 条与 相关的标准，共 1 页
本文件规定了燃气聚乙烯管道电熔接头相控阵超声检测人员、检测设备、检测工艺、检测数据分析、缺陷评定及检测报告的要求。本文件适用于公称直径≥40 mm，且接头厚度＜80 mm的燃气聚乙烯管道电熔接头的相控阵超声检测。
Phased array ultrasonic testing of gas polyethylene pipeline electrofusion joints
- ICS
- 19.100
- CCS
- N 78
- 发布
- 2023-12-22
- 实施
- 2024-01-22
本文件规定了燃气用埋地聚乙烯管道热熔接头相控阵超声检测人员、检测设备、检测工艺、检测数据分析、缺陷评定及检测报告的要求。本文件适用于公称直径≥75 mm，且壁厚＜40 mm的燃气聚乙烯管道热熔接头的相控阵超声检测。
Phased array ultrasonic testing of gas polyethylene pipeline hot melt joints
- ICS
- 19.100
- CCS
- N 78
- 发布
- 2023-12-22
- 实施
- 2024-01-22
Technical specifications for ultrasonic phased array testing of welded joints of buried polyethylene pipes for gas use Part 1: General requirements
- ICS
- 19.100
- CCS
- N 78
- 发布
- 2020-01-03
- 实施
- 2020-02-03
Technical specification for ultrasonic phased array testing of welded joints of buried polyethylene pipelines for gas use Part 2: Testing of electrofusion joints
- ICS
- 19.100
- CCS
- N 78
- 发布
- 2020-01-03
- 实施
- 2020-02-03
Technical specification for ultrasonic phased array inspection of welded joints of buried polyethylene pipelines for gas use Part 3: Inspection of hot-melt joints
- ICS
- 19.100
- CCS
- N 78
- 发布
- 2020-01-03
- 实施
- 2020-02-03
