... fire alarm valve 1.Body: ductile iron 2.Size: 4", 5",6", 8" 3.Type: Wet pilot 4. OEM and ODM available fire alarm ... as per GB5135.5-2000 Standard. deluge alarm valve is widely used for various type of ... pipenet fits open sprinklers), such as deluge alarm system, water curtain system and water mist ... , 125mm, 150mm, 200mmNominal working pressure: 12 bar (1.2MPa)Strength test pressure: 48 bar (4.8MPa)Flux ...