Water spray nozzle in automatic sprinkler system ICS:13.220.10 HS: 8424901000
National Standard of the P.R.C., Automatic Sprinkler System—Part 3:Water Spray Nozzle (21 page(s), in Chinese)
This part specifies the requirements, test methods, inspection rules, operation instructions, packaging, transportation and storage of water spray nozzle of automatic sprinkler system. This part is applicable to water spray nozzle in automatic sprinkler system.