What are the precautions for Henan fire door manufacturers to introduce the use of fire doors

In our current fire door market, the product variety is very rich. What precautions should be mastered and achieved in the process of using the product?

Before installing the fire door, we must adopt the most appropriate installation method according to the product type, and the door frame of the product should be fixed with expansion bolts and the wall method. We can also treat the embedded iron with holes when building the wall, which can be welded firmly with the door frame during the installation process. For the connection between the wall and the door frame, no matter in any way, we should use at least three fixed points for each frame, so as to ensure that it is more firmly fixed.

In the process of installing and using the fire door, we must ensure that the hardware accessories are fully prepared. When installing, we must install the door closer, and other accessories must be installed in a certain order.