Mastering Door Control Understanding LCN Door Closers

Mastering Door Control: Understanding LCN Door Closers

Door closers are all about door control. At a minimum, closers manage these three aspects of a door’s swing. Closers slow the opening speed of the door as it approaches a fully open position.

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They control the closing speed of the door from its fully open position until a few degrees from its latched position. Additionally, closers provide the power to close the door.

Let’s see how an LCN door closer does these three jobs. We’ll start by looking at the main parts of a door closer. There is a cylinder that contains a large spring. This spring stores energy during the opening of the door, providing the power to close the door. The cylinder is sealed because it contains hydraulic fluid. The flow of this hydraulic fluid through check valves during both the opening and closing cycles controls the speed of the door swing. The cylinder also includes a piston. As the door opens, the arm transmits the motion to the pinion, which moves the piston. The movement of this piston pumps the hydraulic fluid through the check valves and compresses or releases the spring.

When it comes to door control, understanding the mechanisms of an LCN door closer is essential. These closers regulate the speed and force of a door’s swing, ensuring smooth operation and safety in various environments. By mastering the functionality of LCN door closers, you can optimize door control in residential, commercial, and institutional settings, enhancing convenience and security for occupants.


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