What is the Function of Fire Door Closer? How to Install?

What is the function of fire door closer? How to install?

The most important component of fire doors is the door closer. The door closer plays a key role. It closes the door to keep it in a sealed state when a fire occurs, effectively isolates the source of the fire, and allows time for people to escape and rescue.

What are the functions of fire door closers?

The fire door electric door closer can monitor the opening and closing status of the fire door in real time and send a signal to the monitoring system. The system issues opening and closing instructions to the fire door according to current needs. When a fire occurs, the monitoring system sends a command to close the fire door after receiving the door closer signal to isolate the source of the fire. Therefore, when a fire breaks out in a crowded place such as a shopping mall, the door closer will quickly respond to the monitored fire signal and close the fire door in time to isolate the fire. During the isolation period, the expansion strip installed on the door will seal the gap, effectively preventing fire and smoke, and preventing The crowd is harmed by high temperature and toxic smoke, effectively protecting personnel safety.

What should you pay attention to when using fire door closers?

1. Pay attention to whether the automatic door parking function is needed;

2. In order to prevent the door lock from colliding with the wall due to forceful or rapid opening of the door, the door closer will be equipped with a damping and buffering function. Pay attention to whether the adjustment range and adjustment ability of the damping and buffering function meet the needs;

3. The door closer has the function of delayed and slow door closing. In places with frequent opening and closing, the coefficient can be adjusted according to the flow of people;

4. Pay attention to anti-freeze requirements when the temperature is minus 35°C.

What should you pay attention to when installing a fire door closer?

1. Choose to install a door closer with fire protection certification;

2. The installed hydraulic door closer must fully match the door. If the door closer is too small and light in weight, it will not be able to close the door;

3. There is a certain angle limit for the opening of the door closer. When installing the door closer, pay attention to choosing the appropriate angle to install the door closer to avoid damaging the door closer when opening and closing the door;

4. The installed door closer must be adjusted with a Phillips screwdriver. Correctly adjusting the door closer can effectively extend the service life of the fire door;

5. Door closers have different standards according to the number of times they open the door. It is necessary to calculate the flow of people to select the appropriate door closer;

Fire doors are related to the safety of people’s lives and property. Although they are not paid attention to in daily life, they all rely on fire doors at critical moments of fire. As an important fire door component, door closers must be taken seriously and must be observed and tested frequently, especially normally closed ones. When using a fire door, some people will hold it against the fire door to keep it open for the convenience of opening and closing. This will cause great damage to the door closer. In the long run, it may damage the door closer and affect the opening and closing, so it must be checked regularly.

Author: Written by Ms.Anna Zhang from S4A INDUSTRIAL CO., LIMITED