Product Summary

The DL-Series are heavy-duty mortise locksets with unsurpassed security, sober aesthetics and rugged dependability.

  • Mortise locks feature advance design concepts for extreme reliability and are manufactured with the finest materials for exceptional durability
  • Mortise locks provide a wide variety of functions and the most popular finishes
  • Locks includes special, high-strength springs and a positive stop to eliminate unsightly sagging levers
  • Trims utilize 5/16” high-strength alloy steel spindles for extra durability
  • Components are manufactured with high-strength steel or stainless steel, providing an extremely strong, highly durable lock. Roses manufactured from stainless steel, brass or bronze

Product Details


As per ANSI A156.13 Series 1000, with Cycle Test of 1 Million.  It meets the requirements of ANSI A117.1 and ADA for barrier-free accessibility.


Available in 6 finishes, 7 models of Levers and in Round and Back Plate Rose and special.

DORMA DL/DB/DK1000 Series

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