Dragon Doors
DORMA DL 712 lock
Locks & Furniture

Dorma DL 712

EN 12209 class 3 security lock — fire-door rated, paired with DORMA DMS high-security cylinders.

Lock Specifications

DORMA 712

  • EN 12209 certified — 3rd safety class.
  • EN 1670 corrosion protection — 4th safety class (240 hours salt-spray resistance).
  • Tempered steel latch.
  • Stainless steel trigger.
  • Locked by a 45-degree key turn.
  • Matt chrome front lock plate.
  • Protection against lock compression during cylinder mounting.
  • Handle is always returned to the horizontal position.
  • Suitable for fire-doors.
  • Tested for a minimum of 200,000 operating cycles.
  • Anti-perforation lock body protection available separately.
Matching Cylinders

DORMA DMS Cylinders

The DORMA DL 712 is designed to work with the DORMA DMS cylinder range — the top-tier safety class under EN 1303, with a patented, copy-protected key profile.

  • EN 1303 certified — 6th safety class (top safety class).
  • Patented key profile protected against illegal copying (patent valid until 2030).
  • Supplied with 5 keys as standard.
  • Bumping-attack protection.
  • Safe and precise 7-pin locking system.
  • Cylinder type: one-sided oval.
  • Finishes available: chrome, matt chrome, matt brass, graphite.