The double spring door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be compressed and released to automatically close the door. It acts like a spring door. It can ensure that the door is closed accurately and in time. initial position. Realize the automatic closing and pull-stop function without electric drive, especially used in hospitals, offices, and places for people with disabilities to enter and exit.
Double spring door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the most important of which is to make the door close by itself to limit the spread of fire and ventilation in the building. The significance of the double spring door closer is not only to automatically close the door, but also to protect the door frame and door body (smooth closing), and more importantly, it has become an important part of the intelligent management of modern buildings.