LCN 4020-3077L 689 Long Arm AL Hardware

LCN 4020-3077L 689 Long Arm AL is engineered for high-traffic environments, ensuring durability and reliability where it is needed most. This heavy-duty door closer from the 4020 Series is recognized for its exceptional performance and fast, accurate installation, making it a preferred choice for commercial applications. Designed to accommodate various door sizes, the standard cylinder is suitable for interior doors up to 5’0" and exterior doors up to 4’0". Additionally, a non-sized adjustable cylinder (model 4021) is available for interior doors up to 4’6" and exterior doors up to 3’6". The closer mounts on the top jamb, and it is non-handed, which allows for flexible installation on right or left swinging doors. The 4020 Series meets ADA requirements and is UL and cUL listed, ensuring compliance with safety standards. It is tested and certified under ANSI Standard A156.4, grade one, guaranteeing reliability. Customers can choose from a standard or optional custom powder coat finish, with an optional plated finish for added durability. Additionally, an SRI primer is available for installations in corrosive conditions. Experience the perfect blend of functionality and aesthetics with the LCN 4020-3077L door closer, designed exclusively for commercial use.

Long Arm AL

Long Arm, Aluminum

The 4020 Series is designed specifically for high traffic applications.

LCN's 4020 Series is their best performing heavy duty closer that is known for its fast and accurate installation.

• Standard 4020 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws. See the Options tab for options.
• Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”.
• Non-sized cylinder (4021) adjustable for interior doors to 4’6” and exterior doors to 3’6”.
• Closer mounts top jamb (push side), specify right or left swinging door.
• 4021 cylinder meets ADA requirements.
• Standard or optional custom powder coat finish.
• Optional plated finish on metal cover, arm and fasteners.
• Optional SRI primer for installations in corrosive conditions is available with powder coat only.
• The 4020 Series is UL and cUL listed with regular or fusible link arms for self-closing doors.
• Tested and certified under ANSI Standard A156.4, grade one.

Resources

• 4020 Series Surface Mounted Closers Cut Sheet
• LCN 4000 Series Catalog
• LCN 4010, 4020 & 4110 Door Closer w/ Fusible Link Arm Installation Guide
• LCN 4020 Series Cut Sheet
• LCN 4020 Series Installation Instructions
• LCN Closers & Auto Operators Installation Guide
• Von Duprin Finishes Chart