LCN 4023T Heavy Duty Door Closer with Single Lever Arm and Plated Finish
Professional Grade 1 Door Closer for High-Traffic Commercial Applications
The LCN 4023T is a surface-mounted, heavy duty door closer featuring cast iron construction with a single lever arm design and premium plated finish. This Grade 1 device is engineered for interior high-traffic conditions with sized cylinders accommodating interior doors up to 5'0" and exterior doors up to 4'0". The closer features a 1-1/2" diameter piston with double heat-treated steel pinion journal and full-complement bearing for exceptional durability and smooth operation.
Professional Features & Benefits
- Door Size Compatibility: Sized cylinders handle 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 Cast Iron Construction: Cast iron cylinder with full-complement bearing and 1-1/2" diameter piston provides exceptional strength for demanding commercial applications.
- Grade 1 Performance: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards for superior reliability in high-traffic installations.
- LCN Green Dial Technology: Patented Green Dial Spring force indicator eliminates guesswork during adjustment for precise door control.
- All-Weather Reliability: All-weather fluid ensures consistent performance across temperature variations and environmental conditions.
- Premium Plated Finish: Optional plated finish on cover, arm and fasteners provides enhanced durability and professional appearance.
- UL Listed Safety: UL and cUL listed for self-closing doors with regular or fusible link arms meeting fire safety requirements.
- 30-Year Manufacturer Warranty: Comprehensive 30-year warranty provides long-term protection and confidence in product reliability.
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
- 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 construction and double heat-treated steel components engineered for demanding commercial applications. The comprehensive 30-year warranty demonstrates LCN's commitment to long-term performance and customer satisfaction. Grade 1 certification and UL listing ensure this closer meets the highest industry standards for safety and dependable operation where consistent door control is essential.
Product Documentation & Resources
Manufacturer Resources
Product Specs
- Series:
- 4020T Series
- Duty Level:
- Heavy Duty
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting Hole Pattern:
- 2-1/2" x 6"
- Warranty:
- 30 Year
- Closer Size:
- 3
- Mounting Detail:
- Surface - Top Jamb (Pull Side)
- Mounting Location:
- Pull Side
- Subcategory:
- Surface Mounted Closers
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Finish Type:
- Plated
- Fluid Type:
- All-Weather
- Commercial/Residential:
- Commercial
- Handle Type:
- Lever
- MAP Policy:
- Yes
- Product Model:
- 4023T
- Cover Type:
- Metal
- Delay Function:
- No
- Mounting Method:
- Surface Mount
- Product Category:
- Door Controls
- Product Substrate:
- Iron
- Department:
- Door Hardware