Water mist extinguishing systems and components (HS code(s): 842410); (ICS code(s): 13.220.10)

National Standard of the P.R.C., Water mist extinguishing systems and components; (61 page(s), in Chinese)

This document specifies the classification and models, basic parameters, requirements, inspection rules, markings, and user manuals of water mist extinguishing systems and components (gas container assemblies, water cylinder assemblies, gas check valve, pressure relief device, connecting pipe, manifold, reducing pressure device, zone control valve, pump sets unit, pressure monitoring device, signal feedback device, system control cabinet (panel), water mist nozzle), and describes the corresponding test methods. This document applies to the design, manufacturing, and inspection of water mist extinguishing systems.