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The Heavy Duty 4210/4510 Smoothed Series Closers are high-security Closers that feature special components to resist tampering and vandalism and meet ANSI/BHMA A156.4 Grade 1 standards. The Closers are UL listed for self-closing doors and boast a 30-year limited warranty.
Forged steel parallel Arms and heavy gauge metal security covers are designed for correctional, vandal-prone, institutional and other high traffic applications. A choice of finishes and cylinder functions meet correctional and vandal-resistant requirements. Materials include a high-strength cast iron cylinder, a one-piece forged steel piston, a Double-heat-treated pinion, all-weather fluid, tamper-resistant regulating screws and a high-efficiency, full-complement, low-friction bearing. The LCN “Green Dial” ensures accurate Spring force adjustments.
Body construction
- Cast iron body
- LCN patented “Green Dial” Spring force indicator
- Full-complement bearing
Quality and durability
- All-weather fluid
- 15-year warranty
- Handed design
Installation
- Security cover
- TORX machine screw pack
- Forged steel Arm
Specifications
- Sized cylinders for Interior doors to 5’0” and exterior doors to 4’0”
- Non-sized cylinder is adjustable for Interior doors to 4’6” and exterior doors to 3’6”
- Closer meets American Disabilities Act (ADA) requirements
- UL and cUL listed for self-closing doors without with regular or fusible link Arms for self-closing doors
- Tested and certified under ANSI Standard A156.4, Grade 1
Designs and Finishes
- Standard or optional custom powder coat finish
- Standard handed cast iron Closer
- Standard handed heavy gauge metal security cover
- Optional plated finish on Metal Cover, Arm and fasteners
- Optional SRI primer for installations in corrosive conditions is available with powder coat only
Mounting/Arm Options
The 4210 Series mounts parallel Arm push side. The 4510 Series mounts hinge pull side. Visit the 4210/4510 Series catalog pages for mounting details, Arm options and accessories.
Downloads and Resources
Manufacturer Resources
Product Specs
- Category:
- Door Controls
- Series:
- 4210 Series
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting Detail:
- Surface - Parallel (Push Side)
- Warranty:
- 15 Year
- Mounting:
- Surface
- 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/Exterior Door
- Finish Type:
- Powder Coat
- Fluid Type:
- All-Weather
- Door Opening:
- 180 Degrees
- Delayed Action:
- Yes
- Fasteners:
- Torx Machine Screws (TORX)
- Substrate:
- Iron
- Commercial/Residential:
- Commercial
- Model:
- 4211