T/WZBF 027-2022
Metal-sealed unfurled valve and its driving device (English Version)
- Standard No.
- T/WZBF 027-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/WZBF 027-2022
- Scope
- This standard specifies the terms and definitions, structural types, technical requirements, inspection and test methods, inspection rules, markings and supply requirements of expandable metal-sealed valves and their driving devices. It is applicable to nominal pressures PN16~PN160 and nominal size DN50. ~DN1000, pressure class Class150~Class900, nominal size NPS2~NPS40, medium temperature -29℃~538℃, end connection type is flange or butt welding end, used for pneumatic control of water, steam, oil and natural gas Expansion type metal seal valve.
T/WZBF 027-2022 history
- 2022 T/WZBF 027-2022 Metal-sealed unfurled valve and its driving device
