Door closer is a mechanical device installed to close the door after someone opens it or it is opened automatically. There should be correct proportion between the size of door, door closer and number of people using that door or the frequency of opening the door every day. Select the best-suited design to have proper result.

The manual closers store the energy used while opening the door in compression or torsion spring and releases it for closing the door. The speed and strength required for opening the door can vary by adjusting the strength of the spring. Today most closers use hydraulic dampers for damping the speed. Here three adjustment valves can adjust the speed of the door closer. These valves adjust the sweep and the latch speed of the door.

Door closers can be divided in two types depending on the traffic they can manage. Type 1 has been designed for main entrances and high traffic areas. It can endure a use of about 400 times a day and requires a replacement after 3 to 7 years. It even has multiple control modes like sweep, latch and back check.

Second type has been designed for the interior doors of those offices which have an average traffic and are used approximately hundred times a day. Two valves control the speed of the door. It is kept in mind that the person using the door should not struck by it, so the time given to the first part of closing cycle is five seconds. To be on safer side and there is no wastage of time, six seconds is the perfect time for second door closing cycle.

The back check is the third control which helps the door to open in a constant speed without hitting the stopper or the wall. You have the facility to set the speed in such a way that the door slows down before it is fully opened.

Depending on their fixing place, closers can be of three styles i.e. surface mounted, concealed in frame and concealed in floor. Overhead closers come in surface mounted and concealed designs too. Today even automatic door closer are available in the market. These closers safely open and close the door under the control of a push button or a proximity detector. Closers are available in the market in plated finishes or standard finishes of aluminum, dark brown and flat gold.

You can learn more about the door closers online since there are various online websites that have a wide range of these products in there store. They give you a detailed description about the product that helps you in deciding the right closers for your door.

It could entail a lot of effort to open and close doors so why not settle for door closers. This keep your doors safe and secure especially if you own establishments that require one. Or you may want to try electric strikes.