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4021 Surface-Mounted Heavy Duty Door Closer
The 4020 is a Heavy Duty Closer with adjustable Spring Power using the LCN Green Dial. This creates a custom fit to meet the specific demands of high traffic use and brings reliable performance.
Overview
The 4010, 4020 and 4110 Series are heavy-duty Closers that meet demands for high-traffic installations and each are designed specifically for unique mounting applications. They are UL and cUL listed, meet ANSI/BHMA Grade 1 standards and boast 30-year warranties. They feature a standard Plastic Cover, with optional plated finishes for the cover, Arm and fasteners. They also feature the LCN Green Dial Spring force indicator, which takes the guesswork out of adjustment.
Body construction
- Cast iron cylinder with full-complement bearing
- 1-1/2” diameter piston
- Double heat-treated steel pinion journal
Quality and durability
- All-weather fluid
- LCN patented Green Dial Spring force indicator
- 30-year warranty
Installation
- Application specific handed
- Peel-n-stick template and standard Plastic Cover
- spring sizes 1-5 or 6 only
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''
- Meets ADA requirements
- UL and cUL listed for self-closing doors with regular or fusible link Arms for self-closing doors
- Tested and certified under ANSI/BHMA A156.4 Grade 1
Designs and Finishes
- Powder coat finish offered in standard colors and a large selection of optional custom colors
- Standard Plastic Cover and optional handed Metal Cover available
- Optional plated finish on Metal Cover, Arm and fasteners
- Optional SRI primer for installations in corrosive conditions available with powder coat only
Mounting/Arm Options
The 4010 Series mounts hinge pull side, the 4020 Series mounts push side top jamb and the 4110 Series mounts push side parallel Arm. Visit the 4010 Series, 4020 Series and 4110 Series catalog pages for mounting details, Arm options and accessories.
Downloads and Resources
Manufacturer Resources
Product Specs
- Category:
- Door Controls
- Series:
- 4020 Series
- Duty Level:
- Heavy Duty
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting:
- Surface
- Mounting Hole Pattern:
- 2-1/2" x 6"
- Warranty:
- 30 Year
- Closer Size:
- 1 to 5
- Cover:
- Plastic/Metal
- Mounting Detail:
- Surface - Top Jamb (Push Side)
- Mounting Location:
- Pull Side
- Subcategory:
- Door Closers - Surface Mounted
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Finish Type:
- Powder Coat
- Fluid Type:
- All-Weather
- Delayed Action:
- Yes
- Substrate:
- Iron
- Commercial/Residential:
- Commercial
- Model:
- 4021
- MAP Policy:
- Yes