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4820 Series
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The 4820 AUTO EQUALIZER™ is LCN’s pneumatically powered MULTI-DOOR solution. This low energy automatic operator provides easy access for people with disabilities, the elderly, or the frail. Designed primarily for manual opening applications that occasionally require automatic opening.
Features & Benefits
  • Multi-Door Solution
  • Utilizes a 10,000,000 Cycle Heavy
  • Duty Door Closer
  • Quiet, Efficient & Reliable
  • Requires Control Boxes with integral compressor or control box using auxiliary air supply.
  • No Guard Rails/Safety Mats Required

The 4820 Series is UL and cUL228 and meets the provisions of ANSI Standards A117.1, A156.19, and the Americans with Disabilities Act.


  • Ideal for multi-door applications since cost per door leaf decrease significantly as the number of door leaves increases.
  • Standard, plate mounted 4820 series closer shipped with regular arm, metal cover, and wood and machine screw pack.
  • Meets ADA requirements (power mode).
  • Non-sized cylinders for interior doors to 4’6” and exterior doors to 3’6”.
  • Non-handed.
  • Requires additional system components.
  • Standard or optional custom powder coated finish, end caps are black. Optional plated finish on cover, arm, and fasteners.
  • Top Jamb (Push Side)


  • Regular (Double) 90°

Regular Arm, 4820-3077
Non-handed arm.

Long Arm, 4820-3077L
Arm includes long rod and show, 4820-79LR for deep reveals.

Standard Finishes:

  • Powder coat
  • Plated

Custom finishes available upon request


Cylinder Available
Non-handed x
Non-sized x
Accessibility x
Power Operator x

Cylinder Only, 4822-3971
Standard, non-handed, cast iron cylinder.

Cylinder Assembly, 4822-3071
Standard, non-handed, cast iron cylinder. Includes; 4820-18
Mounting Plate or 4820-18G Mounting Plate (must specify).


  • Metal

Cover, 4820-72MC
Standard, non-handed metal cover with black end caps.

Installation Accessories
Plate, 4820-18
Standard mounting plate. Plate requires minimum 1 3/4” (44 mm) minimum head frame and 2” (51 mm) top rail.

Plate, 4820-18G
Replaces standard plate for flush ceiling condition. Plate requires minimum 1 3/4” (44 mm) minimum head frame and 3” (76 mm) top rail.