The distance between suspended glass ball sprinkler, hanger and sprinkler should not be less than 300mm, and the distance between suspended glass ball sprinkler and terminal sprinkler should not be greater than 750 mm In case of fire, the automatic sprinkler system in the warehouse can put out the fire in time, so the suspended glass ball sprinkler should be selected. The distance between hanger and nozzle should not be less than 300mm, and the distance between hanger and terminal nozzle should not be more than 750mm ... The automatic sprinkler system consists of nozzle, alarm valve group, water flow alarm device (water flow indicator or pressure switch), pipes and water supply facilities, and can spray water in case of fire.