This part of GB 5135 specifies the requirements, test methods, inspection rules as well as marking, packaging, transportation and storage for sprinklers of automatic sprinkler systems.
This part is applicable to sprinklers of automatic sprinkler systems.
This part is not applicable to early suppression fast response (ESFR) sprinklers, multiple nozzle sprinklers, Water mist nozzles, drencher heads, open-close sprinklers, large-orifice sprinklers and extended coverage (EC) sprinklers.