DORMA 1800 Series

Holder/Release Device with Integral Door Closer, with or without Smoke Detector
The 1800 Series is an electromagnetically controlled door closer, available with or without integral smoke detector-power supply for use on fire and/or smoke barrier doors.
Holder/release devices ANSI/BHMA certified.Available with or without integral smoke detectorHold open functionSwing free functionReliable door closing control