JB/T 2001.21-1999
Water system.manifold air-escape.Type and size (English Version)
- Standard No.
- JB/T 2001.21-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2018-12
- Replace By
- JB/T 2001-2018
- Latest
- JB/T 2001-2018
- Replace
- JB 2021-1984
- Scope
- This standard specifies the type, size and technical requirements for centralized air release valves in water systems. This standard is applicable to centralized relief valves used in high-altitude and underground working cylinders, pipelines, etc. with a nominal pressure of 31.5MPa and inconvenient operation during dispersed relief.
JB/T 2001.21-1999 history
- 2018 JB/T 2001-2018 Water System Parts
- 1999 JB/T 2001.21-1999 Water system.manifold air-escape.Type and size
- 0000 JB 2021-1984
JB/T 2001.21-1999 Water system.manifold air-escape.Type and size was changed to JB/T 2001-2018 Water System Parts.
