LCN 4211-PLATED Heavy Duty High Security Door Closer with Plated Finish and Tamper-Resistant Design

LCN 4211 Heavy Duty High Security Door Closer with Plated Finish and Tamper-Resistant Design

Professional High-Security Door Closing Solution

The LCN 4211 Heavy Duty High Security Door Closer delivers professional-grade performance for correctional, institutional, and high-traffic applications. This surface-mounted closer features forged steel parallel arms, heavy gauge metal security covers, and meets ANSI/BHMA A156.4 Grade 1 standards. Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0", while the cast iron body construction with tamper-resistant components provides exceptional durability in vandal-prone environments.

Professional Features & Benefits

• Door Size Compatibility: Sized cylinders for 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 Construction: Cast iron body with forged steel parallel arms and one-piece forged steel piston for exceptional durability in demanding commercial applications.
• Grade 1 Certification: Tested and certified under ANSI Standard A156.4, Grade 1 for demanding commercial applications with UL and cUL listing for self-closing doors.
• Tamper-Resistant Design: Special components including tamper-resistant regulating screws, security covers, and TORX machine screw pack to resist vandalism and unauthorized adjustment.
• All-Weather Performance: All-weather fluid ensures consistent operation across temperature extremes with LCN patented Green Dial spring force indicator for accurate adjustments.
• ADA Compliance: Meets American Disabilities Act requirements for accessible door operation in commercial applications.
• Manufacturer Warranty: 15-year warranty provides long-term protection and confidence in demanding institutional environments.
• High-Security Features: Heavy gauge metal security covers designed specifically for correctional, vandal-prone, and institutional applications.

Technical Specifications

• ADA Compliant: Yes
• BAA Qualified: Yes
• Closer Size: 1
• Commercial/Residential: Commercial
• Delay Function: Yes
• Department: Door Hardware
• Door Opening Size: 180 Degrees
• Door Type: Interior Door
• Door Type: Exterior Door
• Duty Level: Heavy Duty
• Fasteners: Torx Machine Screws (TORX)
• Finish Type: Plated
• Fluid Type: All-Weather
• Mounting Detail: Surface - Parallel (Push Side)
• Mounting Location: Push Side
• Mounting Method: Surface Mount
• PDF:Choosing the Right Fire & Life Safety Closer : https://zensupply.com/content/pdf/lcn/How_to_Choose_an_LCN_Closer_111151.pdf
• PDF:LCN Full Line Catalog: https://zensupply.com/content/pdf/lcn/LCN_General_Information_Catalog_109514.pdf
• PDF:LCN High Security catalog section: https://zensupply.com/content/pdf/lcn/LCN_High_Security_Closers_Catalog_Section_109515.pdf
• PDF:LCN Installation Instructions/Templates Index: https://zensupply.com/content/pdf/lcn/LCN_Closers_and_Auto_Operators_Templates_and_Instructions_Index_111819.pdf
• Product Category: Door Controls
• Product Group: Door Controls
• Product Model: 4211
• Product Subgroup: Door Closers - Surface Mounted
• Product Substrate: Iron
• Product Type: Surface Mounted Door Closers
• Series: 4210 Series
• Subcategory: High Security Closers
• Warranty: 15 Year

Professional Applications

• Correctional Facilities
• Institutional Buildings
• High-Traffic Commercial Entrances
• Vandal-Prone Environments
• Educational Facilities
• Healthcare Institutions
• Government and Municipal Buildings

Tamper-Resistant Design

The LCN 4211 incorporates specialized tamper-resistant regulating screws and heavy gauge metal security covers to prevent unauthorized adjustments and vandalism. The forged steel construction and TORX machine screw pack provide additional security in high-risk environments where standard door hardware may be compromised.

Why Choose LCN Quality?

LCN 4211 door closers deliver professional-grade reliability with cast iron body construction, forged steel components, and Grade 1 certification for the most demanding applications. The 15-year warranty and all-weather fluid formulation ensure consistent performance in correctional and institutional environments. Engineered for demanding commercial applications where dependable performance and security are essential.