GB/T 38520—2020
船用超低温拉断阀
Marine cryogenic breakaway coupling
2020-03-06 发布
2020-10-01 实施
目 次
前言.......................................1
1范围........................................1
2规范性引用文件...................................1
3术语和定义.....................................1
4分类........................................2
4.1结构型式...................................2
4-2基本参数...................................2
4-3产品标记...................................3
5技术要求......................................3
5.1设计与结构
5.2尺寸...
5.3外观质量••
5.4材料...
5.5性能...
6试验方法...
6.1尺寸...........................................5
6.2外观质量.........................................5
6.3    导电性.........................................5
6.4性能...........................................6
7检验规则...........................................11
7.1检验分类........................................11
7.2型式检验........................................11
7.3岀厂检验........................................12
8标志、包装、运输和贮存....................................12
8.1 标志.........................................12
8-2包装..........................................13
8.3    运输.........................................13
8-4贮存..........................................13
附录A （资料性附录）拉断阀典型结构..............................14
参考文献............................................16