LCN 4511T Heavy Duty High Security Surface-Mounted Door Closer with Plated Finish

LCN 4511T Heavy Duty High Security Surface-Mounted Door Closer with Plated Finish

Professional High-Security Door Closing Solution

The LCN 4511T Heavy Duty High Security Surface-Mounted Door Closer delivers exceptional performance for correctional, institutional, and high-traffic applications requiring vandal resistance. This Grade 1 certified closer features forged steel double lever arms, heavy gauge metal security covers, and is sized for interior doors to 5'0" and exterior doors to 4'0". Built with cast iron construction and backed by a 30-year limited warranty, this closer meets ANSI/BHMA A156.4 Grade 1 standards and ADA requirements.

Professional Features & Benefits

• Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" with non-sized cylinder adjustable for interior doors to 4'6" and exterior doors to 3'6".
• Heavy-Duty Security Construction: Forged steel double lever arms and heavy gauge metal security covers designed specifically for correctional, vandal-prone, and institutional applications.
• Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certified with UL and cUL listing for self-closing doors ensuring reliable operation in demanding environments.
• Cast Iron Durability: High-strength cast iron cylinder with one-piece forged steel piston and double-heat-treated pinion for exceptional longevity.
• Tamper-Resistant Design: Features tamper-resistant regulating screws, security covers, and TORX machine screw pack to minimize vandalism and unauthorized adjustments.
• All-Weather Performance: All-weather fluid and high-efficiency full-complement low-friction bearing ensure consistent operation in various environmental conditions.
• LCN Green Dial Technology: Patented Green Dial spring force indicator ensures accurate spring force adjustments for optimal door control.
• 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

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. 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

Why Choose LCN Quality?

LCN door closers deliver professional-grade reliability with cast iron construction, forged steel components, and Grade 1 certification for demanding institutional applications. The 30-year limited warranty demonstrates LCN's commitment to long-term performance. Engineered specifically for high-security environments where dependable operation and vandal resistance are essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog
• [Catalog] LCN High Security Closers Catalog
• [Spec Sheet] LCN HSA Data Sheet
• [Parts Manual] LCN Closers & Auto Operators Parts Manual