LCN 4026 Heavy Duty Surface-Mounted Door Closer with Plated Finish

LCN 4026 Heavy Duty Surface-Mounted Door Closer with Plated Finish

Professional Heavy-Duty Door Closer Solution

The LCN 4026 Heavy Duty Surface-Mounted Door Closer delivers professional-grade performance for high-traffic commercial applications. This heavy-duty closer features adjustable spring power using the patented LCN Green Dial system, accommodating interior doors up to 5'0" and exterior doors up to 4'0". Built with cast iron cylinder construction and a 1-1/2" diameter piston, this closer meets ANSI/BHMA Grade 1 standards and carries UL and cUL listings for reliable operation.

Professional Features & Benefits

• Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" for versatile installation options.
• Heavy-Duty Construction: Cast iron cylinder with full-complement bearing and 1-1/2" diameter piston provides exceptional durability for commercial applications.
• Patented Spring Adjustment: LCN Green Dial Spring force indicator eliminates guesswork with adjustable spring sizes 1-5 or 6 only for precise operation control.
• Premium Plated Finish: Optional plated finish on metal cover, arm and fasteners provides enhanced appearance and corrosion resistance.
• Grade 1 Certification: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards with UL and cUL listings for code compliance.
• All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations in demanding environments.
• 30-Year Manufacturer Warranty: Comprehensive 30-year warranty provides long-term confidence and protection for commercial installations.
• ADA Compliance: Meets ADA requirements for accessible door operation in commercial facilities.

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 cylinder construction and double heat-treated steel pinion journal rated for demanding commercial use. The comprehensive 30-year warranty demonstrates LCN's commitment to long-term performance. Engineered for demanding commercial applications where dependable performance is essential, LCN closers provide the durability and precision adjustment capabilities required for high-traffic installations.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog