Encyclopedia
Sprayer
Spray Nozzle: A device intended for spraying water or aqueous solutions (the average diameter of droplets in the sprayed stream is more than 150 micrometers)
Source: "SP 5.13130.2009. Fire Protection Systems. Automatic Fire Alarm and Fire Extinguishing Systems. Design Standards and Rules"
(approved by the Order of the Ministry of Emergency Situations of the Russian Federation dated March 25, 2009 No. 175)