he spray nozzle is working at water pressure and broken down the water into small fog dropsspray to the object surface as per uniform spray angle for fire prevention or coolingusually associated with water supply network, control valves, detection alarms, and other components of water sprayextinguishing system, used to put out electrical equipment fires, and flammable liquid fires, power generation equipmentof the spray nozzle is widely used in plant protection, large transformers, liquefied petroleum gas storage tanks.part namepressureflow ratespray angleK factorthreadZSTWB16/600.353060°16R1/2"ZSTWB16/900.353090°16R1/2"ZSTWB16/1200.3530120°16R1/2"ZSTWB21.5/600.354060°21.5R1/2"ZSTWB21.5/900.354090°21.5R1/2"ZSTWB21.5/1200.3540120°21.5R1/2"ZSTWB26.5/600.355060°26.5R/3/4"ZSTWB26.5/900.355090°26.5R/3/4"ZSTWB26.5/1200.3550120°26.5R/3/4"ZSTWB33.7/600.356360°33.7R/3/4"ZSTWB33.7/900.356390°33.7R/3/4"ZSTWB33.7/1200.3563120°33.7R/3/4"ZSTWB43/600.358060°43R/3/4"ZSTWB43/900.358090°43R/3/4"ZSTWB43/1200.3580120°43R/3/4"ZSTWB53.5/600.3510060°53.5R/3/4"ZSTWB53.5/900.3510090°53.5R/3/4"ZSTWB53.5/1200.35100120°53.5R/3/4"ZSTWB67.5/900.3512590°67.5R1"ZSTWB80/900.3515090°80R1"ZSTWB86/900.3516090°86R1"ZSTWB107/900.3520090°107R1"ZSTWB117/900.3522090°117R1"ZSTWB160/900.3530090°160R1"