Sprinklers of automatic sprinkler system; Mechanical appliances (whether or not hand-operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines (HS 8424); Fire-fighting (ICS 13.220.10)

National Standard of the P.R.C., Automatic Sprinkler System —Part 1: Sprinklers (57 page(s), in Chinese)

This standard specifies types, norminal water flow constant, thread size, color coding, model, performance requirements, test methods, inspection regulations, manual, packaging, transport and storage of srinklers of automatic sprinkler system.