- Standard No.
- GB/T 15558.4-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 15558.4-2023
- Replace
-
GB/T 15558.3-2008
GB/T 15558.4-2023 history
- 2023 GB/T 15558.4-2023 Buried polyethylene (PE) piping systems for gas use Part 4: Valves
GB/T 15558.4-2023 Buried polyethylene (PE) piping systems for gas use Part 4: Valves has been changed from GB/T 15558.3-2008 Buried polyethylene（PE）piping systems for the supply of gaseous fuels - Part 3: Valves.