Narrow-Stile 25mm Backset Euro Profile Mortise Cylinders
Engineering Overview: Installation guide for Euro cylinders inside shallow 25mm backset narrow-stile aluminum doors and glass entrance profiles.
Technical & Engineering Specifications
| Application | Aluminum Storefront Entrances |
|---|---|
| Backset Spec | 25 mm Ultra-Narrow Stile |
| Standard Sizing | 30/40 mm, 30/45 mm Asymmetrical |
| Profile Standard | DIN 18252 Teardrop |
Shallow Backset Geometry
Narrow-stile storefront doors utilize compact mortise locks with shallow 25 mm backsets.
Dimensional Clearance
- Key Bow Clearance: Positioned so users fingers do not scrape the door jamb.
- Asymmetrical Offsets: Typically specified in 30/40 mm or 30/45 mm splits to align with thermal break profiles.
Frequently Asked Engineering & Selection Questions
Q1: What is the primary engineering feature of this cylinder?
Installation guide for Euro cylinders inside shallow 25mm backset narrow-stile aluminum doors and glass entrance profiles.