types-functions

Oval Form Factor Double Cylinders in Mortise Nightlatches

Engineering Overview: Engineering breakdown of British oval profile double cylinders interfacing with architectural split-follower mortise nightlatches.

Technical & Engineering Specifications

Profile British Oval Profile
Standard BS EN 1303 Class 6
Pin Chambers 6-Pin Inline Array
Body Material Solid H59 Brass

Oval Double Cylinder Architecture

British oval cylinders ($31.5\text{ mm} \times 18\text{ mm}$) interface with traditional split-follower mortise nightlatches.

Split Follower Kinematics

  • Dual-Key Access: Operable via key from either side.
  • Independent Throw: The rotating cam operates the lower deadlocking snib while allowing the exterior lever to free-wheel when locked.

Frequently Asked Engineering & Selection Questions

Q1: What is the primary engineering feature of this cylinder?

Engineering breakdown of British oval profile double cylinders interfacing with architectural split-follower mortise nightlatches.