When a fire occurs, the fire rolling shutter door will automatically learn to put down (slide) under the control of the fire control system according to the pre-determined process, so as to prevent the spread of the fire to other areas and win valuable time for waiting for the implementation of fire fighting.

在一些場所，工程建筑內不配置消防控制系統，防火門僅憑借防火門的消防操縱家電箱完成防火門的防火要求運作程序流程。在這樣的情況下，當火災產生時，氣體傳感器接受的火警信號立即傳到防火門的消防操縱家電箱。

In some places, the engineering buildings are not equipped with fire control system, and the fire door only relies on the fire control appliance box of the fire door to complete the fire protection requirements and operation procedures of the fire door. In this case, when a fire occurs, the fire alarm signal received by the gas sensor is immediately transmitted to the fire control appliance box of the fire door.

在斷電的情形下，只有根據帶動繩子將防火門學會放下。防火門配置的手動式，只有單邊學會放下，不可以提高。

In case of power failure, the fire door can only be lowered according to the driving rope. The manual type of fire door configuration can only be learned to put down on one side and can not be improved.

l防火規范：

L fire protection code:

防火門的制造規定較高，即要求全部系統軟件能承受一定時長的1100度以內高溫磨練，防火門的防火時間是防火門的主要指標值。GB14102-93鋼制防火門通用技術標準中對防火時間要求了四個阻燃等級。

The manufacturing requirements of fire doors are high, that is, all system software is required to withstand high temperature training within 1100 degrees for a certain period of time. The fire prevention time of fire doors is the main index value of fire doors. Gb14102-93 general technical standard for steel fire doors requires four fire retardant grades for fire prevention time.

此外，防火門類型呈多元化，按其材料可分成鋼制防火門、復合型防火門、有機物防火門等，而按組裝方法歸類，又有墻中、墻側等二種防火門，假如按打開方位歸類，就會有卷起和側卷的防火門，客戶可依據具體情況來購買所需防火門。

In addition, the types of fire doors are diversified. According to their materials, they can be divided into steel fire doors, composite fire doors, organic fire doors, etc. according to the assembly method, there are two kinds of fire doors in the wall and on the side of the wall. If they are classified according to the opening direction, there will be rolled up and side rolled fire doors. Customers can buy the required fire doors according to the specific situation.

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