This standard applies to nozzles (hereinafter referred to as nozzles) that are connected to marine fire hoses, movable fire hydrants, or fire hose connection metal fittings to discharge fire-fighting water.
KS V 3989-2014 history
2019KS V 3989-2019 Nozzles, fire hose, water for marine use
2014KS V 3989-2014 Nozzles, fire hose, water for marine use
2012KS V 3989-2012 Water nozzles of fire hose for marine use