Door closers

What is needed and what is a mechanical door closer? The purpose of this intricate mechanism is to automatically close the doors. The installation of an optimally selected door closer greatly reduces the wear of the hardware. The service life of the door increases, and even with the correct adjustment of the door closer, the doors stop passing the cold. Their use is mandatory on the doors through which a large number of people pass during the day.

Door closer types

Before you place door closer on the door, you need to know about their classification. These mechanisms differ in the manner of installation, the force applied and the types.

By type of installation types of door closer for doors are divided into:

• floor (mounted in the floor);
• hidden (mounted inside the frame);
• Top (fastened to the top of the door leaf).

The force of the door closer is measured according to the standard EN 1154. The load level varies within the marking EN1 - EN7 (the larger the number, the greater the effort). When choosing the force, you should follow the rule: the larger the leaf width and its weight, the greater the EN door closer you need. Many manufacturers produce universal closers, where after EN marking the range of force adjustment is indicated (EN2 - 4, for example). Such models will cost a little more, but they are worth it.

There is another difference between door closers - the type, how to choose the right one, you will understand from the description of their design.

1. Closers equipped with a hinged or knee pull are the most common. Their mechanism is durable and reliable, their minus in only one - a low level of protection from vandals. This door closer is not very suitable for exterior doors.
2. Automatic door closer can be equipped with a sliding channel. The clamping force is transmitted by sliding the lever through the channel. This door closer is preferable for exterior doors, it does not have protruding parts. Less is more complicated opening and closing of doors. This door closer can be equipped with a magnetic lock. Technological, safety and elegance in one bottle.
3. Floor door closers can remain invisible, perfectly fulfilling the functions assigned to them. The closers of this type mounted in the floor can be used to fix the doors as pendulum or with one-sided opening.

After acquaintance with the door closer, you can proceed to the selection. The case remains for small, you need to choose the right one.

How to choose the door closer?

If you choose door closer, then be sure to consider the conditions in which it will be operated. Mostly it's about the temperature of the environment. Door closers for interior doors are different from street ones, that they can not function properly at low temperatures. The oil inside the piston freezes in the cold, which causes the door closer to close more slowly. Inbox renders a disservice, "helping" the closing of the door. The result - 2-3 replacement door closer on the outside door for one season. Door closers for street doors are better to choose from those that are designed for a wide range of temperatures. When the temperature is lowered, they can be adjusted, keeping the door closing speed within the limits of the norm. The best models for outdoor installation are models equipped with a thermal damper. When the ambient temperature rises, the oil flows over the device valves faster. When the temperature is lowered, there is a reverse trend. This eliminates the need for adjustment.

To install the door closer inside, it is worth to rely, first of all, on the appearance and functionality. As for the technical load, then it will cope with any of the types of door closer. Do you still get through and slam the doors? Install the door closer!