In order to enhance the safety on electrically locked emergency exit routes a new norm pren13637 was approved in december 2015.
Fire exit door locking systems.
If automated doors need to provide complex functions in escape and rescue routes a system solution from a door control unit offers an electronic locking element such as for example emergency exit locks or emergency exit electric strikes and a panic lock also called anti panic locks.
International and local building codes as well as fire safety laws require them.
Prevent unauthorized entry into or exit from a building and allow fast exit from the building.
Door locks for emergency exits.
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Nfpa emergency exit door requirements for locks doors are laid out so that they can be opened from the outside when the building is occupied.
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Exit route doors must be free of any device or alarm that could restrict emergency use of the.
This includes the access control lock or fire exit hardware power transfer door position switch or any other component mounted on the door or frame.
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In recognition of this problem many building codes have been modified to allow the use of delayed egress locking systems on emergency exit doors.
Multi point locking system 1 290 00.
A device such as a panic bar that locks only from the outside is permitted on exit discharge doors.
For instance a latch or some other fastening device is a requirement for doors with a simple releasing device.
Selecting the proper level of protection.
Any product used as part of a fire door assembly must be listed for that use.
The delayed egress locking system typically consists of an exit push bar an auxiliary locking device an audible alarm and a special electronic control package.
According to this norm a complete system including emergency exit switch locking element and control unit have to be tested together and meet the sil2 safety standard.