Recessed Concealed ASSA ABLOY DC840 door return mechanism (with adjustable force No1-No2-No3-No4-No5).
Suitable for fire-resistant-fire safety doors, with a door width of up to 49in. Also, works with PIVOT doors.
It has a hidden mechanism and a hidden guide, installed internally (recessed) on the door and is not visible even when the door is open. The mechanism combines smooth operation and impeccable aesthetics.
It is easy to install and adjust. It has the option of choosing the strength of the mechanism (N1-N2-N3-N4-N5). It turns into right or left depending on the door.
