Forged steel parallel arms & heavy gauge metal security covers are designed for correctional, vandal-prone, and other high traffic applications where more protection is needed.

Sentronic™ Series hold open closers

Automatic detection and containment of fire and smoke are the best ways to minimize danger to life and property. Patented Sentronic door closer/holders are designed to hold swinging doors open in normal use with the integration of LCN’s 4000 series mechanical closer and release/automatically close the doors under fire conditions. Closers are available in single point hold open, multiple point hold open, or with hold open delay that allows for more efficient traffic flow.
  • Single point hold open for fire and smoke barrier doors
  • Available in push or pull side mount (4040SE) with concealable option (3130SE)
  • Non-handed option available (4040SE)
  • Point adjustable hold open for fire and smoke barrier doors
  • Available in push (4410ME) or pull (4310ME) side mount or concealed option (2310ME)
  • Handed for right or left swing doors
Designed for durability and extended performance when used in primarily automatic applications. The Electromechanical gearbox acts as a manual closer when door is not automated or power is lost.
  • Built in scanner activates hold open function while pedestrian traffic travels through the door and releases once traffic has stopped for a programmable period of time.
  • Handed for right or left swing doors