LCN 4021-PLATED Heavy Duty Surface-Mounted Door Closer with Plated Finish and Green Dial Adjustment

LCN 4021 Heavy Duty Surface-Mounted Door Closer with Plated Finish and Green Dial Adjustment

Professional Heavy-Duty Door Closing Solution

The LCN 4021 Heavy Duty Surface-Mounted Door Closer delivers reliable performance for high-traffic commercial applications with ANSI/BHMA Grade 1 certification. This professional-grade closer accommodates interior doors up to 5'0" and exterior doors up to 4'0" using adjustable spring power with the patented LCN Green Dial system. Built with cast iron cylinder construction and a 1-1/2" diameter piston, this closer meets UL and cUL listing requirements and includes a comprehensive 30-year warranty.

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.
• Adjustable Spring Power: LCN patented Green Dial Spring force indicator eliminates guesswork during adjustment and creates custom fit for specific application demands.
• 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 for demanding commercial installations.
• All-Weather Performance: All-weather fluid ensures reliable operation in varying environmental conditions.
• Manufacturer Warranty: 30-year warranty provides long-term confidence and protection for commercial applications.
• ADA Compliance: Meets ADA requirements for accessible door operation in commercial facilities.

Technical Specifications

• ADA Compliant: Yes
• BAA Qualified: Yes
• Closer Size: 1
• Closer Size: 2
• Closer Size: 5
• Closer Size: 3
• Closer Size: 4
• Commercial/Residential: Commercial
• Cover Type: Metal
• Delay Function: Yes
• Department: Door Hardware
• Duty Level: Heavy Duty
• Finish Type: Plated
• Fluid Type: All-Weather
• MAP Policy: Yes
• Mounting Detail: Surface - Top Jamb (Push Side)
• Mounting Hole Pattern: 2-1/2" x 6"
• Mounting Location: Pull Side
• Mounting Method: Surface Mount
• Product Category: Door Controls
• Product Group: Door Controls
• Product Model: 4021
• Product Subgroup: Door Closers - Surface Mounted
• Product Substrate: Iron
• Product Type: Surface Mounted Door Closers
• Series: 4020 Series
• Subcategory: Door Closers - Surface Mounted
• Warranty: 30 Year

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 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.