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Professional High-Security Door Closer for Correctional and Institutional Applications
The LCN 4216 Heavy Duty High Security Surface-Mounted Door Closer delivers professional-grade security with forged steel parallel arms and heavy gauge metal security covers designed specifically for correctional, vandal-prone, institutional and high traffic applications. This Grade 1 certified closer features sized cylinders for interior doors to 5'0" and exterior doors to 4'0", with cast iron body construction and LCN's patented Green Dial spring force indicator for precise adjustments. UL listed for self-closing doors with a comprehensive 30-year limited warranty.
Professional Features & Benefits
- Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" for versatile commercial applications.
- Heavy-Duty Security Construction: Forged steel parallel arms and heavy gauge metal security covers resist tampering and vandalism in high-risk environments.
- Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certification ensures reliable operation in demanding commercial applications.
- Cast Iron Body Construction: High-strength cast iron cylinder with one-piece forged steel piston and double-heat-treated pinion for exceptional durability.
- Precision Spring Force Control: LCN patented Green Dial spring force indicator enables accurate adjustments for optimal door operation.
- All-Weather Performance: All-weather fluid and full-complement, low-friction bearing system ensure consistent operation in various environmental conditions.
- Tamper-Resistant Design: Tamper-resistant regulating screws and security cover with TORX machine screw pack minimize unauthorized adjustments.
- Manufacturer Warranty: 30-year limited warranty provides long-term confidence and protection for institutional investments.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Correctional Facilities
- Institutional Buildings
- High-Traffic Commercial Entrances
- Vandal-Prone Environments
- Educational Facilities
- Healthcare Institutions
- Government and Municipal Buildings
Tamper-Resistant Design
The 4216 features specialized components to minimize tampering and vandalism including tamper-resistant regulating screws, heavy gauge metal security covers, and TORX machine screw pack installation hardware. This comprehensive security approach makes it ideal for correctional and other high-risk applications where unauthorized access or adjustment must be prevented.
Why Choose LCN Quality?
LCN 4216 door closers deliver professional-grade reliability with cast iron body construction, forged steel components, and Grade 1 certification for demanding institutional applications. The comprehensive 30-year limited warranty demonstrates LCN's confidence in their engineering and materials. Engineered for demanding commercial applications where dependable performance and security are essential.
Product Documentation & Resources
Manufacturer Resources
LCN Full Line Catalog
Product Specs
- Series:
- 4210 Series
- ADA Compliant:
- No
- BAA Qualified:
- Yes
- Mounting Detail:
- Surface - Parallel (Push Side)
- Warranty:
- 15 Year
- Closer Size:
- 6
- Mounting Location:
- Push Side
- Subcategory:
- High Security Closers
- Duty Level:
- Heavy Duty
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Door Type:
- Interior Door
- Finish Type:
- Plated
- Fluid Type:
- All-Weather
- Fasteners:
- Torx Machine Screws (TORX)
- Commercial/Residential:
- Commercial
- Door Type:
- Exterior Door
- Product Model:
- 4216
- Delay Function:
- Yes
- Door Opening Size:
- 180 Degrees
- Mounting Method:
- Surface Mount
- Product Category:
- Door Controls
- Product Substrate:
- Iron
- Department:
- Door Hardware