CHN/1549
WTO/TBT
China - 13 - Environment and health protection, Safety
- 84 - Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
2021-04-10
2021-02-10
Grooved pipe couplings and fittings of automatic sprinkler systems; (HS: 842490); (ICS: 13.220.20)
National Standard of the P.R.C., Automatic sprinkler systems——Part 11: Grooved Pipe Couplings and Fittings (29 page(s), in Chinese)
This part specifies the classification, model formulation, requirements, test methods, inspection rules, marking, packaging, transportation and storage of the grooved pipe couplings and fittings of automatic sprinkler systems.
This part applies to grooved pipe couplings and fittings of automatic sprinkler systems. The grooved pipe couplings and fittings in other systems can be used as a reference.