Double Key Euro Cylinders with Independent Dual-Sided Emergency Clutches
Engineering Overview: Engineering guide on double Euro cylinders with isolated dual emergency clutches permitting simultaneous outside key operation.
Technical & Engineering Specifications
| Standard | EN 1303:2015 Clause 4.8 |
|---|---|
| Operation | Simultaneous exterior key override |
| Function Name | Dual Emergency Function (BS Hazard Function) |
| Clutch Material | Hardened 40Cr Alloy Steel |
Dual Emergency Clutches
In healthcare and multi-family dwellings, locks must operate from the outside even if an inside key is left inserted.
Floating Clutch Action
- Spring-Loaded Clutch: Inserting the exterior key compresses the center clutch, disengaging the interior plug and turning the cam smoothly.
Frequently Asked Engineering & Selection Questions
Q1: What is the primary application of this cylinder?
Engineering guide on double Euro cylinders with isolated dual emergency clutches permitting simultaneous outside key operation.