Emergency exit closure according to DIN EN 179

Image: Symbol Emergency exit lock - bauwion

Emergency exit locks according to DIN EN 179 enable doors to be opened with just a single operation in less than 1 second and are suitable for doors in escape routes where panic situations are unlikely. This is the case if the users are familiar with the special features of the door and its fittings (e.g. opening inwards) or if no panic situation is to be expected due to the small number of people fleeing through the door in the event of danger. DIN EN 179 distinguishes between the following types according to the respective control element:

• Type A: with handle, the free end of which points in the direction of the door leaf in accordance with the specific specifications of DIN EN 179 in order to reduce the risk of injury and snagging with clothing
• Type B: with bumper plate, the free end of which is pressed towards the door leaf and opens

the door in the processThe operation of the handle or the bumper plate on the escape side not only retracts the lock latch, but also the bolt, so that even a door that is closed to the outside can be opened from the inside at any time. In addition, emergency exit locks are divided into four classes according to their area of application:

The individual components of an emergency exit lock according to DIN EN 179 (fitting, lock, strike plate, mounting accessories) may only be used as a jointly tested unit, regardless of whether the individual components are from the same manufacturer or from several different manufacturers. manufacturers. Doors with emergency exit locks in accordance with DIN EN 179 usually open in the direction of escape (outwards). Exceptions are possible in justified individual cases, if necessary in coordination with the building supervisory authority, if, for example, an outward-opening door leaf would open into a public traffic area, or in the case of hotel room or classroom doors. For the possible versions of the door lock for an emergency exit lock, see Lexikonbeitrag Mortise lock with panic function B, C, D, E.

Source: bauwion