JB/T 1749-1991
Ammonia valve disc (English Version)
- Standard No.
- JB/T 1749-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Machinery
- Status
- 2008-07
- Replace By
- JB/T 1749-2008
- Latest
- JB/T 1749-2008
- Scope
- This standard specifies the structural type, size and technical requirements for ammonia valve discs.
JB/T 1749-1991 history
- 2008 JB/T 1749-2008 Components of valves.Dises of Ammonia valves
- 1991 JB/T 1749-1991 Ammonia valve disc
