types-functions

Oval Profile Single Exit Cylinders for Fire Stairwell Exit Doors

Engineering Overview: Technical guide on single-ended oval profile cylinders for emergency exit-only doors and fire stairwell enclosures.

Technical & Engineering Specifications

Format Single-Ended Half / Exit Cylinder
Profile British / Scandinavian Oval Profile
Material Solid Extruded H59 Brass
Standard EN 179 / BS EN 1303

Emergency Exit Architecture

In commercial high-rises, fire escape stairwells require exit-only operation where external key entry is prohibited.

Single Oval Envelope

  • Blind Exterior: The outside face is completely sealed and flush.
  • Interior Key / Knob: Allows security personnel to deadlock or service the fire escape door from inside the secure stairwell.

Frequently Asked Engineering & Selection Questions

Q1: What is the primary application of this cylinder?

Technical guide on single-ended oval profile cylinders for emergency exit-only doors and fire stairwell enclosures.