Door Bottom Seal:
Installed in the door inside the fire door, the door closed, automatically down the activities of the seal to suppress the ground, close the door and the ground of the gap; the door open when the active seal will automatically put away from the ground, and the ground without any friction The
Daily to prevent the outside world dust, smell, mosquitoes, hot and cold air, noise, light and other places from the bottom of the gap into the room to protect the indoor environment.
In the beginning of the fire, to prevent toxic flue gas from the bottom of the gap into the room. With the development of fire, the temperature rises, it is configured by the fire expansion material by the temperature to stimulate the expansion quickly and completely closed the door gap, to prevent "channeling fire."
It must be self-extinguishing, flame retardant, flame retardant material manufacturing, and installation does not reduce the safety level of the fire door, it is important to pass the official certification.
2. The principle and installation of the Door Bottom Seal
When the door closed, through the transmission mechanism to the stalls to the ground or the threshold, so as to achieve the purpose of sealing sound insulation.
1) Installation of the door seal
Door Door Bottom Seal is divided into two types of unilateral or bilateral compression. Unilateral compression key according to the design requirements can be installed in the door lock or hinge side, bilateral compression button at the same time pressure, the dust can be automatically extended, that is, a compression button installed on the side of the lock, another pressure button installation On the door side of the door. In particular, it is important to note that there is no postponement of the double-compression key-type door seal at the time of extension and withdrawal, thereby increasing the service life of the seal.
2) the door of the automatic seal of the applicable occasions
The door of the application of the occasion to determine the door seal the wind of the material.
PVC door seal for high temperature, noise occasions.
High temperature flame retardant silicone door seal for DIN 4102 standard fire doors and DIN 18095 standard smoke doors.
Door automatic seal with the threshold in combination, you can greatly improve the effect of the seal.
If the bottom of the carpet or different materials for the floor of the joints, it is recommended that the best use of the door at the same time automatic sealing and the threshold.