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LCN 4211 Heavy Duty High Security Door Closer with Powder Coat Finish
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".
- High-Security Construction: Forged steel parallel arms and heavy gauge metal security covers designed specifically for correctional, vandal-prone, and institutional applications.
- Tamper-Resistant Design: Special components resist tampering and vandalism with tamper-resistant regulating screws and security cover protection.
- Heavy-Duty Materials: High-strength cast iron cylinder, one-piece forged steel piston, and double-heat-treated pinion for exceptional durability.
- 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: 30-year limited warranty provides long-term protection and confidence in demanding applications.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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
- 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 30-year limited warranty demonstrates LCN's confidence in their engineering and materials. Engineered for demanding commercial applications where dependable performance and security are essential.
Product Documentation & Resources
Manufacturer Resources
LCN Full Line Catalog
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
LCN 4211-689 – Frequently Asked Questions
1) What door sizes and weights does the LCN 4211 door closer handle?
The LCN 4211 is designed for heavy duty applications on doors up to 4 feet wide and 250 pounds. Verify your specific door dimensions and weight before installation. Check manufacturer specifications for exact capacity limits.
2) Is this door closer suitable for exterior applications?
Yes, the cast iron cylinder with powder coat finish provides weather resistance for exterior use. The heavy duty construction handles temperature variations and environmental exposure typical in commercial exterior applications.
3) Can the LCN 4211 be installed on both right and left hand doors?
Yes, this surface mounted door closer can be field adjusted for both right hand and left hand door applications. The mounting arm configuration allows for versatile handing without requiring different models.
4) What finish options are available for the LCN 4211?
This model features a durable powder coat finish over the cast iron cylinder. The powder coating provides corrosion resistance and a professional appearance for commercial applications.
5) What closing force grade does the LCN 4211 provide?
The LCN 4211 is a heavy duty closer designed for high traffic commercial applications. It provides strong closing force suitable for large, heavy doors while maintaining controlled closing speed adjustment capabilities.
6) Does this door closer meet ADA accessibility requirements?
The LCN 4211 can be adjusted to meet ADA opening force requirements when properly installed and calibrated. Verify local code compliance and consult accessibility guidelines for your specific application.
7) What accessories are available for the LCN 4211?
Common accessories include hold open arms, coordinator bars for pairs, and various mounting brackets. Check with manufacturer specifications for compatible LCN accessories that work with the 4211 model.
8) How is the LCN 4211 mounted to the door and frame?
This is a surface mounted closer that attaches to the door face and frame header with screws. Use the manufacturer's mounting template for proper placement. Ensure adequate clearance for arm operation and door swing.
9) Can I adjust the closing speed and latching speed separately?
Yes, the LCN 4211 features independent adjustment valves for closing speed and latch speed control. Use the appropriate adjustment screws to fine-tune performance for your specific door and traffic requirements.
10) How often does the LCN 4211 require maintenance?
Inspect the closer quarterly for proper operation and adjustment. Annual professional maintenance is recommended for high traffic applications. Check for fluid leaks, loose mounting screws, and proper closing action regularly.
11) What other LCN closers are similar to the 4211?
Related LCN heavy duty models include the 4040XP series and 1461 series. Browse our door closers section for comparable surface mounted options from the LCN product line.
12) Will this door closer work in extreme temperature conditions?
The cast iron construction and heavy duty design handle most commercial temperature ranges. For extreme cold or heat applications, verify the operating temperature range with manufacturer specifications before installation.
How fast can I get the LCN 4211-689 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the LCN 4211-689 come with a warranty?
Absolutely. The LCN 4211-689 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the LCN 4211-689?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the LCN 4211-689 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.