*Actual product and finish may vary

4021-REG LCN door closers, surface mounted, grade 1, features a modern design engineered for each application, easy installation, and superior performance.

The spring power of non-sized 4021 cylinder is adjustable from size 1 through size 5 and is shipped set to size 3. Sized 4020 series cylinders available in size 2, 3, 4, 5, or 6.

Packed w/ TBWMS (thru bolts, wood & machine screws)

LCN 4020 Series

The 4020 Smoothee® is LCN’s best performing heavy duty closer designed specifically for institutional and other rugged high traffic applications.

Features and Benefits

Ten Million Cycles

Cast Iron

Forged Steel Main Arm

Double Heat Treated Steel Pinion

All Weather Fluid

LCN ® Fast™ Power Adjust

Fast & Accurate Installation

UL & cUL Listed

Specifications

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.