LCN 4211 Heavy Duty High Security Door Closer with Powder Coat 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 requiring vandal-resistant operation. This surface-mounted closer features forged steel parallel arms, heavy gauge metal security covers, and meets ANSI/BHMA A156.4 Grade 1 standards with UL listing for self-closing doors. Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0", while the cast iron body construction ensures long-term durability in demanding 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: High-strength cast iron cylinder, one-piece forged steel piston, and double-heat-treated pinion provide exceptional durability for commercial applications.
- High-Security Design: Forged steel parallel arms and heavy gauge metal security covers designed specifically for correctional, vandal-prone, and institutional applications.
- Tamper-Resistant Features: Special components resist tampering and vandalism with tamper-resistant regulating screws and security cover protection.
- Grade 1 Certification: Meets ANSI/BHMA A156.4 Grade 1 standards and UL listed for self-closing doors ensuring code compliance.
- Precision Spring Adjustment: LCN patented Green Dial spring force indicator ensures accurate spring force adjustments for optimal performance.
- All-Weather Performance: All-weather fluid and full-complement, low-friction bearing system for reliable operation in various environmental conditions.
- Extended Warranty: 15 Year warranty provides long-term protection and confidence in demanding 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: Powder Coat
- 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 special tamper-resistant components including tamper-resistant regulating screws and heavy gauge metal security covers to resist vandalism and unauthorized adjustments. The forged steel construction and security features make this closer ideal for correctional and institutional applications where durability and security are paramount.
Why Choose LCN Quality?
LCN door closers deliver professional-grade reliability with high-strength cast iron construction, forged steel components, and Grade 1 certification for demanding commercial applications. The 15 Year warranty demonstrates LCN's confidence in their engineering and materials. Engineered for demanding commercial applications where dependable performance and security are essential.
Manufacturer Resources
Product Specs
- Series:
- 4210 Series
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting Detail:
- Surface - Parallel (Push Side)
- Warranty:
- 15 Year
- Closer Size:
- 1
- Mounting Location:
- Push Side
- Subcategory:
- High Security Closers
- Duty Level:
- Heavy Duty
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Door Type:
- Interior Door
- Finish Type:
- Powder Coat
- Fluid Type:
- All-Weather
- Fasteners:
- Torx Machine Screws (TORX)
- Commercial/Residential:
- Commercial
- Door Type:
- Exterior Door
- Product Model:
- 4211
- Delay Function:
- Yes
- Door Opening Size:
- 180 Degrees
- Mounting Method:
- Surface Mount
- Product Category:
- Door Controls
- Product Substrate:
- Iron
- Department:
- Door Hardware