Mechanisms return springs for doors

Mechanisms springs armrests for the doors.

- Door recovery mechanism or stud is hydraulic mechanism with spring self-closing door.

- The recapture mechanisms mainly found in the entrances of buildings and offices.

- Operate in such a way that when entering and exiting the room to close the door itself automatically.

The most common type blades is the surface .It is placed in the surface of the door or the door frame.
However, there is the hidden mechanism placed inside the door or the frame.

Surface mechanisms

They are the most common, economic and easy to install. The door does not need to be prepared by the manufacturer as the hidden mechanisms.

Selection criteria should take into account when purchasing recovery mechanism:
 
1. Choose the size of the device (light or heavy) you need depending on the size, material and the weight of the door, the orientation, the wind loads, the windows and doors in public spaces, the existence of mechanical ventilation and the frequency of use door.
2. Select the type of mechanism.
3. Choose how to load depending on the room and the door.
4. Choose the power of the device according to the door size and environmental conditions.