Automatic fire deluge valve for fire prevention is a kind of lever-type structure with anti-reset function, it is made as per GB5135.5-2000 Standard. deluge sprinkler system is widely used for various type of dry type system, such as deluge alarm system, water curtain system and water mist system. Model no.: ZSFG
Nominal diameter: 4"/100mm, 6"/150mm, 8"/200mm
Nominal working pressure: 12 bar (1.2MPa) Strength test pressure: 48 bar (4.8MPa) Friction drag: less than 0.07 Mpa
Starting time: less than 15 seconds
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