LCN Door Closers -4000T Series Closer

4000T Series Closer

Category: exterior door closer | fire rated door closers | fire-rated door closers...

MasterFormat: Hardware | Door Hardware

LCN Door Closers
11819 N. Pennsylvania Street
Carmel, IN 46032
Tel: (888) 925-2171

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4000T Series Closer

This surface-mounted heavy-duty closer is designed to reliably control fire and smoke barrier doors.

The 4000T Series wall pocket heavy-duty closer is designed for use with an SEM 7850 wall magnet, to control the fire and smoke barrier doors with a maximum swing of 90°. The closer is UL and cUL listed with a standard arm for self-closing doors and boasts a 30-year warranty.

Features & Benefits

Body construction

  • Cast iron cylinder with full-complement bearing
  • 1-1/2” diameter pinion journal
  • Double heat-treated steel pinion journal

Quality and durability

  • All-weather fluid
  • Forged steel arm
  • 30-year warranty


  • Universal non-handed
  • Wood and machine screw pack
  • Sizes 3 or 4

Designs & Finishes

  • Powder coat finish offered in standard colors and/or a large selection of optional custom colors
  • Standard plastic cover; 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


  • Sized cylinders for interior fire/smoke doors to 4’0”
  • Meets ADA requirements
  • UL and cUL listed for self-closing doors
  • Tested and certified under ANSI/BHMA A156.4 Grade 1

Mounting/Arm Options

The 4000T Series mounts wall pocket mount on hinge pull side with a standard track arm. Visit the 4000T Series catalog pages for mounting details and accessories.

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