- Additional Product Details
Heavy Duty, High Security Closer w. Backcheck, Plastic Cover - Adjustable EN Spring Sizes 1—4 (ANSI 1—5). Push Side of Door.
This variant includes:
Cylinder - 4211-3071
Standard, handed cast iron cylinder assemblyCover - 4210-72MC
Four-point mounting, handed metal cover
*Closer adjustments are not accessible with the cover installedExtra Duty Arm - 4210-3077EDA
Non-handed parallel arm features forged, solid steel main and forearm for potentially abusive installations. Double slab arm/pinion attachment for maximum strengthHanding Chart - You must specify the hand of the door when ordering this closer.
Table of Sizes - Recommended range of door widths for all closer models.
Suits doors <102 kilos
The 4210 is LCN’s best-performing heavy-duty closer designed for institutional and other rugged high-traffic applications. All 4210 manual door closers are certified to exceed 15 million (15,000,000) full-load operating cycles by a recognised independent testing laboratory
- Fifteen Million Cycles
- Cast Iron
- Extra Duty Forged Steel Arm Standard
- Double Heat Treated Steel Pinion
- LCN® Fast™ Power Adjust
- Fast & Accurate Installation
- Fasteners - Torx Machine Screws (TORX)
- All Weather Fluid - Performs without variation: Manual Closers - between -35° to +49°C, Electronic HO Closers & Automatic Operators - between +2° to +49°C. At approx. +75°C, the fluid will begin to leak from the mechanism. The flash point is approx. 110°C
The 4210 Smoothee® Series is a heavy duty, high security closer with special components to minimise tampering and vandalism. Forged steel parallel arms and heavy-gauge metal security covers are designed for correctional, vandal-prone, institutional, and other high-traffic applications. A choice of finishes and cylinder functions meets correctional and vandal-resistant requirements.LCN Door Closers | Von Duprin Exit Devices | Schlage Locks
Relcross Limited (trading as) Relcross Door Controls | Hambleton Avenue | DEVIZES | Wiltshire | SN10 2RT | United Kingdom | T: ++ 44 (0) 1380 729 600 | F: ++ 44 (0) 1380 729 888 | E: sales@relcross.co.uk
- Certification
ANSI | UL | Warranty: 15 Years (Mechanical)
Certificates, including DoPs, downloadable here
- Resources | Downloads