Preaction Alarm Valve.alarm valve,fire alarm
fire protection equipment

Preaction Alarm Valve.alarm valve,fire alarm
fire protection equipment

ZSFU type protection system combines fire detection alarm technology with automatically spary extinguishing system ,its owns double protection function on protection target.before happending fire hazard,this system will aerate inside side pipe,therefore,it is provided with dry type system character that is saftisfying extinguishing need by automatically spary under high temperature and extremely cold condition

Model:ZSFU100   ZSFU150  ZSFU200 

rated working pressure:1.2mpa

nominal diameter:DN100   DN150   DN200

flange screw mean diameter(mm):180  240  295