JB/T 8937-1999
Wafer type check valve (English Version)
- Standard No.
- JB/T 8937-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2010-07
- Replace By
- JB/T 8937-2010
- Latest
- JB/T 8937-2010
- Scope
- This standard specifies the structural type, parameters, technical requirements, test methods, inspection rules, markings and supply requirements of wafer check valves. This standard applies to wafer swing check valves and wafer butterfly check valves with nominal pressure PN ≤ 42.0MPa and nominal diameter DN50 ~ 1200mm; nominal pressure PN ≤ 16.0MPa and nominal diameter DN15 ~ 350mm. Clamp lift check valve. Flange-connected double-disc swing check valves can be implemented as follows.
JB/T 8937-1999 history
- 2010 JB/T 8937-2010 Wafer type check valve
- 1999 JB/T 8937-1999 Wafer type check valve
