LCN 4111T Heavy Duty Door Closer with Single Lever Arm and Plated Finish

LCN 4111T Heavy Duty Door Closer with Single Lever Arm and Plated Finish

Professional Grade 1 Surface-Mounted Door Closer Solution

The LCN 4111T is a heavy-duty, surface-mounted door closer featuring a single lever arm design with premium plated finish. This Grade 1 closer is engineered for high-traffic interior applications up to 5'0" doors and exterior doors up to 4'0", incorporating a cast iron cylinder with 1-1/2" diameter piston and double heat-treated steel pinion journal construction. UL and cUL listed with ANSI/BHMA A156.4 Grade 1 certification, this closer delivers professional-grade performance with LCN's patented Green Dial Spring force indicator for precise adjustment.

Professional Features & Benefits

• Heavy-Duty Construction: Cast iron cylinder with full-complement bearing and 1-1/2" diameter piston provides exceptional durability for demanding commercial applications.
• 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".
• Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certification ensures reliable operation in high-traffic installations with superior cycle life performance.
• Precision Adjustment System: LCN patented Green Dial Spring force indicator eliminates guesswork in force adjustment for optimal door operation.
• All-Weather Reliability: All-weather fluid formulation maintains consistent performance across temperature variations for reliable operation.
• Premium Plated Finish: Optional plated finish on metal cover, arm and fasteners provides enhanced aesthetics and corrosion resistance.
• Manufacturer Warranty: 30-year warranty provides long-term confidence and protection for professional installations.
• Code Compliance: UL and cUL listed for self-closing doors with ADA compliance for accessibility requirements.

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

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose LCN Quality?

LCN door closers deliver professional-grade reliability with cast iron construction and double heat-treated steel components engineered for demanding commercial applications. The 30-year warranty demonstrates LCN's commitment to long-term performance, while Grade 1 certification ensures dependable operation where consistent door control is essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog