Pipeline gas self-closing valve
Pipeline gas self-closing valve, Total:3 items.
The international standard classification for "Pipeline gas self-closing valve" includes: Installations in buildings .
The Chinese standard classification for "Pipeline gas self-closing valve" includes: Gas supply engineering .
Professional Standard - Urban Construction
- CJ/T 447-2014 Automatic Shutoff Valve for Pipeline Gas
Group Standards of the People's Republic of China
- T/CECS 905-2021 Application technical specification for pipeline gas self-closing valve
- T/CQGIA 1-2022 Technical regulations for the installation of self-closing valves for gas pipelines for household users