T/ZZB 1331-2019
Seamless inner grooved copper tube (English Version)
- Standard No.
- T/ZZB 1331-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1331-2019
- Scope
- This standard specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules and packaging, marking, transportation, storage, quality certificate, order (or contract) content and quality commitment of seamless internally threaded copper pipes. . This standard applies to seamless internally threaded copper pipes for air conditioning and refrigeration equipment.
T/ZZB 1331-2019 history
- 2019 T/ZZB 1331-2019 Seamless inner grooved copper tube
