推荐性国家标准现行
GB/T 21385-2025
金属密封球阀
Metal-seated ball valve
- 实施日期
- 2026-05-01
- ICS 分类
- 23.060.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 7 条
GB/T 21385-2025
Metal-seated ball valve
GB/T 12237-2021
Steel ball valves for petroleum, petrochemical and allied industries
GB/T 38202-2019
Installation, operation, maintenance of fully welded body ball valve
GB/T 15185-2016
Flanged iron and copper ball valves
GB/T 30818-2014
Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries
GB/T 21385-2008
Metal-seated ball valve
GB/T 12237-2007
Steel ball valves for petroleum, petrochemical and allied industries