Fire protection door locks for tubular frame doors
Our fire door locks for tubular frame doors are specially designed to meet the high requirements for fire protection and escape safety. The compact dimensions, small backsets and reversible latch enable flexible installation - both in new builds and in the retrofit of single- and double-leaf doors made of aluminum or steel.
With tested security in accordance with DIN 18251 and optional panic functions in accordance with EN 179 and EN 1125, the locks provide reliable functionality in hazardous situations. They can be combined with standard profile cylinders and fittings - a free-turning cylinder is not required.
Ideal for public buildings, administrative facilities, as well as commercial and residential construction - even where there is an increased security requirement.
Features
The compact design is ideal for narrow door profiles on aluminium and steel doors in fire protection areas
Small backset sizes from 25 mm enable flexible use in various profile systems – also for retrofitting
The reversible latch allows use for both DIN left and DIN right
- The locks comply with DIN 18251 and additionally meet the requirements of EN 179 and EN 1125 for fire and escape doors
Various versions offer features such as strike plate protection latch, top locking, or panic function for increased security
They can be combined with standard profile cylinders and door fittings – a free-running cylinder is not necessary
- Optionally, a silent latch ensures particularly quiet door closing
The mortise locks are durable, low-maintenance, and ideally suited for heavily frequented doors in fire and escape routes
Fire protection door locks: The right choice – not only in terms of security
Fire protection door locks combine reliable locking technology with tested safety according to DIN 18251 as well as EN 179 and EN 1125. They meet the highest requirements for fire protection and escape safety – ideal for doors in public buildings, administrations, or commercial construction. With versions featuring panic function, silent latch, or top locking, the locks can be flexibly adapted to the respective security concept – for maximum protection in case of emergency.
Reliability
The robust mechanism of fire door locks ensures permanently reliable operation even under high thermal and mechanical stress – ideal for demanding applications in fire doors and smoke-control doors.
Versatility
Whether panic function, frame-protection latch, or top locking – fire door locks can be flexibly adapted to different door systems and security requirements.
Safety
Certified versions to EN 179 and EN 1125 meet all relevant standards for escape and rescue routes and provide reliable protection in an emergency – tested for use in fire doors.
Technical data & standards
| Products | Type of lock | Usable in | Panic function | Secured latch hold | Type | Note | |||
|---|---|---|---|---|---|---|---|---|---|
| 1-leaf | 2-leaf | ||||||||
| Mortise locks Series 18 (manual locking) |
Fire protection door locks |
x | - | - | Optional | Optional | B-1828 | Strike plate protection latch optional |
|
| x | - | x | Optional | Optional | B-1838 | ||||
| x | - | x | Optional | Optional | B-1839 | ||||
Standards and security requirements
Mortise locks meet the highest safety standards and are certified according to DIN EN 12209 for mechanical locks. Versions with panic function additionally comply with the European standards DIN EN 179 (emergency exits) and DIN EN 1125 (panic doors). VdS approval confirms suitability for burglar-resistant doors according to DIN EN 1627–1630. In addition, numerous models offer fire and smoke protection suitability as well as CE marking for use in the European market.
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