types-functions

Rim Dummy Cylinders: Non-Operational Blank Plugs for Inactive French Door Leaves

Engineering Overview: Technical overview of non-operational dummy cylinders used to match door hardware aesthetics on inactive double-door leaves.

Technical & Engineering Specifications

Function Non-Operational Architectural Dummy Plug
Material Solid Extruded H59 Brass
Application Inactive Leaf on Double French Doors
Profile Options Euro Profile Dummy or Rim Cylinder Dummy

Visual Architectural Balance

On pairs of French entrance doors, the inactive door leaf does not require active key locking. To maintain visual balance with the active leaf, architects specify Dummy Cylinders (Blank Cylinders).

Solid Construction

  • Aesthetic Match: Matches the exact face dimensions, finishes (SN, MB, PVD), and escutcheon cutouts of the active cylinder.
  • Solid Plug: Features a non-rotating blank core with no keyway, secured via rear screws.

Frequently Asked Engineering & Selection Questions

Q1: What is a dummy lock cylinder?

A non-functional solid cylinder used on the inactive leaf of double doors to match the visual appearance of the active locking cylinder.