• 4021 LCN Door Closer (top jamb mount)

*Actual product and finish may vary

The LCN 4020 Series grade 1 surface mounted door closers feature 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 catalog

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.

 

4021 LCN Door Closer (top jamb mount)

  • Brand: LCN
  • Product Code: 4021-REG
  • $295.00


Available Options



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