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Fire door closers are very important

By Emerson Zhang - 3 Jul 2023 279 0 comments

Now in shopping malls, the normally closed fire doors of high-rise safety exits often become "normally open fire doors". A large part of the reason is that the door closers on the fire doors are loose and damaged, and no one repairs and maintains them.

Fire doors are mainly used for entrances and exits of stairwells, evacuation walkways, pipe wellheads, etc. They are usually used for the passage of people, and can prevent the spread of flames and the flow of combustion smoke in the event of a fire. After the door closer used on the fire door is loose, push it with your hand. After the fire door is opened, it will not close automatically, and it will become a "normally open" fire door. Therefore, the correct way is to close the fire door at ordinary times, but it cannot be sealed or locked. Because it is airtight and locked, once it catches fire, it will be difficult for people to escape.

The role of fire door closers cannot be ignored, and the user unit should strengthen maintenance. The most problematic accessories for fire doors are fire door closers and sequencers. In addition to strengthening inspections at the safety exits that are usually used in large quantities to prevent the occurrence of "normally open fire doors", it is especially important to choose brand products with reliable quality.

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