The use of smoke control fire damper:
(1) the valve is normally in the open state. When the airflow temperature reaches 70 degrees, the temperature sensor moves and the valve closes.
(2) manually adjust the blade opening degree in the range of 0 to 90 degrees;
(3) manual closing or manual reset;
(4) output valve closing signal can be interlocked with other fire protection equipment.
The fire damper is installed at the inlet of the ventilator used in the exhaust system and the ventilation and air conditioning system. It is usually in a "normally open" state and can be ventilated. The ABA fireproof valve can automatically shut down the valve by the action of the fuse of the fusible metal when the airflow temperature reaches 280 degrees in the pipe, and cut off the airflow and prevent the fire from spreading.
What should we pay attention to cleaning up 3C fire damper?
The 3C fire damper is usually installed on the pipe of the mechanical exhaust system. It is normally opened. When the fire occurs, the exhaust gas will be opened. When the flue gas temperature reaches 280 degrees in the exhaust pipe, the factory sells a variety of 3C fire resistant valves and meets the requirements of smoke leakage and fire resistance in a certain time. What should we pay attention to cleaning fire control valve?
1, regularly clean the outside of the regulator.
2, regularly adjust the stuffing box and other sealing components, if necessary, replace the sealing parts to maintain the static and dynamic sealing point sealing.
3, regularly lubricate parts that need lubrication.
4, regularly discharge and clean the gas source or hydraulic filtration system.
5, regularly check the connection points of each connection point, corrosion situation, and replace the connectors when necessary.
In this era of high rise buildings rising flat, the economy is also constantly taking off, and there are more and more kinds of large shopping malls. However, such a crowd gathering place is also a very easy place for accidents.
The function of normally open smoke exhaust fire valve is:
1. Normally, it is normally open. When the fire happens, after the DC24V power is output from the control center, a large number of wholesale automatic fire control valves are fully standardized and the valves automatically shut down.
2, when the pipeline temperature reaches 280 degrees, the professional CCC fire damper has complete specifications, fuses action, and the valve automatically closes.
3, the output valve closed signal, interlocking exhaust fan to stop.
4, manual closing, manual opening.
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