GB/T 45027-2024 液氢阀门 通用规范

ICS 27.010
CCS F 19
中华人民共和国国家标准
GB/T 45027—2024
液氢阀门　通用规范
Valves for liquid hydrogen—General specification
2024-12-31 发布2025-04-01 实施
国家市场监督管理总局
国家标准化管理委员会发 布

目　　次
前言 ····································································································· Ⅲ
1 范围 ·································································································· 1
2 规范性引用文件 ······················································································ 1
3 术语和定义 ··························································································· 2
4 技术要求 ······························································································ 3
4.1 基本要求 ························································································· 3
4.2 材料 ······························································································ 3
4.3 结构设计 ························································································· 5
4.4 常温性能 ························································································ 10
4.5 低温性能 ························································································ 13
5 试验方法 ···························································································· 14
5.1 试验条件 ························································································ 14
5.2 材料 ····························································································· 15
5.3 结构设计 ························································································ 16
5.4 脱脂检查 ························································································ 16
5.5 常温性能 ························································································ 16
5.6 低温性能 ························································································ 20
5.7 标志检查 ························································································ 28
6 检验规则 ···························································································· 28
6.1 出厂检验 ························································································ 28
6.2 型式试验 ························································································ 28
7 标志 ································································································· 30
7.1 一般要求 ························································································ 30
7.2 阀体上的标记 ··················································································· 30
7.3 标牌上的标志 ··················································································· 31
7.4 其他标记 ························································································ 31