Fire doors and windows are measures for fire separation of buildings, which are required to be smoke and fire proof. Fire doors and windows play an important role in preventing the spread and spread of smoke and fire and reducing losses. Next, the staff assigned with fire doors will share with you how to set fire doors?
How to set fire door
1. The fire door set at the place where people often pass through the building should be a normally open fire door. The normally open fire door shall be able to close automatically in case of fire, and shall have the function of signal feedback;
2. Normally closed fire doors shall be used for fire doors at other locations except those where normally open fire doors are allowed. The normally closed fire door shall be provided with prompt signs such as "Keep the fire door closed" at its obvious position;
3. Except for the access door of the tube well and the door outside the house, the fire door shall have self closing function. Double fire doors shall have the function of self closing in sequence;
4. Except under special circumstances, the fire door shall be opened in the direction of evacuation, and the fire door shall be able to be opened manually on both the inside and outside;
5. When it is set near the building deformation joint, the fire door should be set on the side with more floors, and it should ensure that the door leaf does not cross the deformation joint when the fire door is opened;
6. The fire door shall be smoke proof when closed;
How are fire doors set? Through the above sharing, I believe we all have a basic understanding. The fire door can only play a major role at a critical moment if the setting regulations are reasonable, otherwise it will be counterproductive. In addition, careful friends can find that some fire doors are always closed. Such fire doors are called normally closed fire doors. Those who do not know this can see why normally closed fire doors are always closed as shared above? There is a detailed introduction.