T/ZZB 1401-2019
Copper and float-type automatic exhaust steam valve (English Version)
- Standard No.
- T/ZZB 1401-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1401-2019
- Scope
- This standard specifies the terms and definitions, structural types, basic requirements, technical requirements, test methods, inspection rules, marking, protection, packaging, storage and transportation, and quality commitment of copper float-type automatic exhaust valves (hereinafter referred to as exhaust valves). . This standard is applicable to heating, heat pumps, central air-conditioning, living equipment with nominal pressure not greater than PN16, nominal size DN8 ~ DN40, operating temperature -20 ℃ ~ 110 ℃, and the working medium is water or ethylene glycol solution with a concentration of ≤30%. Exhaust valves are used for hot and cold water systems.
T/ZZB 1401-2019 history
- 2019 T/ZZB 1401-2019 Copper and float-type automatic exhaust steam valve
