T/ZZB 0289-2017
Fireproof brass gas ball valve for buildings (English Version)
- Standard No.
- T/ZZB 0289-2017
- Language
- Chinese, Available in English version
- Release Date
- 2017
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 0289-2017
- Scope
- This standard specifies the terms and definitions, classification and models, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality assurance of copper fire-resistant gas ball valves for construction (hereinafter referred to as fire-resistant ball valves). . This standard applies to non-directly buried gas devices and facilities installed inside and outside buildings with a nominal pressure not greater than 1.6MPa, a nominal size not greater than 100mm, an operating temperature not exceeding -20°C to 60°C, and a lower limit not lower than the gas dew point temperature. Fire-resistant ball valve on. The gas referred to in this standard is the gas that complies with the provisions of GB/T 13611.
T/ZZB 0289-2017 history
- 2017 T/ZZB 0289-2017 Fireproof brass gas ball valve for buildings
