Zsfz Alarm Valve Sprinkler System Wet Alarm Check Valve
ZSFZ Wet alarm valve is the key component of automatic sprinkler system. It consist of wet alarm valves, retard, water alarm, and other components (such as pressure switches, flow meters, closed head etc.). The system usually in standby state, the pressure pipe filled with water. When the fire starts and environmental temperature rise, lead to the Fire Sprinkler sensitive element (glass ball) action, sealing components off, auto start the wet system, water directly sprayed into the fire area and send alarm signals to the control center. It's widely used in some fire danger places(4 ºC to 70ºC environment temperature), such as warehouse, hotel, mall, office or high building and garage etc.warehouses, hotels, shopping malls, hospitals, theaters, office buildings, high-rise building and garage.
|Retard alarm time(s)||5~90|
|Height of alarm valve(mm)||250||260||265||270||370||430|
|Outside diameter of flange(mm)||200||220||250||285||340||405|
|Inside diameter of flange screw hole(mm)||160||180||210||240||295||355|
|Diameter of screw hole(mm)||8||12|
|Quantity of screw hole||18||22||26|
Wet alarm check valve structure
We could supply Fire Hose, Fire Hose Fittings, Spray Nozzle, Coupling, automatic fire sprinkler system products, gate valves, check valves, ball valves, etc. All these products strictly confirming to JIS, API ans BS standards. All of our products comply with international quality standards and are greatly appreciate in avariety of markets around world. Our factory is covering an area of 15900 square meters, we now over 300 workers. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarteen total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a globe sales network reaching the North America, South America, Mideast, Southeast Asia, East Europe, etc.
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