Classification and main settings of door closer for fire doo
Publish Time：2017/07/31Click Rate：
Classification of fire doors
1、Fire door according to material classification: wooden fire doors, steel fire doors, steel wood fire doors and other materials fire door, our common fire doors are wooden fire doors and steel fire doors
2、According to the performance of fire into the fire door fire door insulation (Class A), part of the heat insulation fireproof door (B) and non insulated fire door fire door (C). We usually say are insulated fire doors, within the specified time, can satisfy the fire integrity and insulation requirements of fire door closed. With the smoke of the performance. The fire door commonly used heat insulation refractory grade has three kinds: first grade (1.5h), B (1.0h) and C (0.5h).
The main part of setting fire door
1、Fire doors should be set up on the firewall that needs to be opened
2、The evacuation staircase and antechamber set B fire doors
Fire zone should be set at the entrance to the asylum aisle smoke free room, the use of the area should not be less than 6 square meters, open to the room door should be used in class a fire door, open the door to the room asylum aisle should adopt B fire doors. When fire occurs, the fire door can be blocked by fire and smoke spread in a certain period of time. To ensure the evacuation of personnel.
3、The vertical tube set C fire door
Cable wells, tube wells, exhaust, exhaust, garbage and other vertical wells, need to set up the class C fire door, fire prevention and smoke through the shaft or the pipeline well spread.
4、Important equipment need to set the fire door
Important equipment need to set the fire door, in order to protect the safety of equipment commonly used equipment: power distribution room (Class A), ventilation and air conditioning room (Class A), fire pump room (Class A), elevator room (Class A), (a generator room), storage room (class a), the fire control room (B fire extinguishing equipment room), (b).
5、Some parts need to set the normally open fire doors
（1）Fire doors that are frequently accessible should be normally opened with fire doors.
（2）The evacuation aisle in the fire protection zone should be set to open a fire doors.
（3）Normally open fire doors closed automatically in the event of fire, and should have the function of feedback signal.
（4）Fire doors should be used by other parts of the normally closed fire door.
（5）In addition to outside tube maintenance door and residential door, fire door should have self closing function.