This is convenient when permitting access by groups, people with disabilities or individuals with mobility issues, or when moving bulky items into or out of a building. There are various types of door closers, including hold-open and non-hold-open door closers for interior and exterior doors, with the former engaging its hold-open function once the door is opened beyond a certain angle. In other words, there is no need to push the door closed manually. Afterwards, the energy is released, thereby automatically closing the door. When the door is opened, the included spring inside the door closer stores essential energy. It consists of a hydraulic mechanism installed directly on the door frame or the door leaf. Installing a door closer is simple, as all dormakaba products are designed with convenience and rapid implementation in mind.Ī door closer is a mechanical device fitted to a door in order to control the closing process. In terms of fire protection, the door closer holds the door in place, helping to form a barrier and slow a potential blaze’s progress. When combined with an automatic locking system, this helps to ensure that the premises remain secure following entry by authorized personnel. Door closers are designed to return a door to its closed position after being opened. Door closers are an essential component of a door system for commercial and residential buildings, especially when it comes to turning a door into a robust protective element in the event of fire.
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