JB/T 7749-1995
Technical specification for low temperature valves (English Version)
- Standard No.
- JB/T 7749-1995
- Language
- Chinese, Available in English version
- Release Date
- 1995
- Published By
- Professional Standard - Machinery
- Status
- 2011-08
- Latest
- JB/T 7749-1995
- Scope
- This standard specifies the structural types, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of cryogenic gate valves, globe valves, check valves, ball valves and butterfly valves. This standard is applicable to flange and welded low-temperature gate valves, globe valves, check valves, ball valves and butterfly valves with nominal pressure PN1.6~10.0MPa, nominal diameter DN15~350mm, and temperature -40~-196℃. Other cryogenic valves can also be used as a reference.
JB/T 7749-1995 history
- 1995 JB/T 7749-1995 Technical specification for low temperature valves
