LCN 3133 Concealed Door Closer with Single Lever Arm Track - Plated Finish

LCN 3133 Concealed Door Closer with Single Lever Arm Track - Plated Finish

Professional Concealed Door Closer Solution

The LCN 3133 Concealed Door Closer delivers professional-grade door control for interior applications requiring complete concealment. Designed to mount within 1-3/4" interior doors, this Grade 1 certified closer features a forged steel single lever arm with roller assembly for optimal performance in medium to high-traffic areas. The cast iron construction with 1-1/8" diameter forged steel piston meets ANSI/BHMA A156.4 Grade 1 standards and ADA reduced opening force requirements.

Professional Features & Benefits

• Door Compatibility: Designed for 1-3/4" interior doors up to 4'0" width with complete concealment for architectural flexibility.
• Heavy-Duty Construction: Cast iron cylinder with 1-1/8" diameter forged steel piston and full-complement bearing for exceptional durability in high-traffic applications.
• Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certified with UL and cUL listing for self-closing doors ensuring code compliance and reliability.
• ADA Compliance: Meets American Disabilities Act reduced opening force requirements for accessible door operation.
• Concealed Operation: Single lever arm and low-friction track and roller assembly provide complete concealment while maintaining optimal door control.
• Adjustable Speed Control: Separate regulation of general closing speed and latching speed with tamper-resistant regulating screws for precise operation.
• All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations and environmental conditions.
• Manufacturer Warranty: 15-year limited warranty for added confidence and long-term protection.

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 closer products deliver professional-grade reliability with cast iron construction and forged steel components rated for Grade 1 performance. Backed by a 15-year limited warranty and UL listing, this concealed closer is engineered for demanding commercial applications where dependable performance and architectural aesthetics are essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog