They are available in two types.
Fire alarm door closers.
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.
However if a fire alarm goes off the door will automatically close and protect the occupants of the building from fire and smoke.
They also removing weight from the fire door which means they are particularly suited to care homes hospitals or hotels where people may find heavy fire doors difficult.
Fire door closers and controls fire safety solutionsbasket 0.
For example the most common use is using the magnetic door holder as a hold open device.
Free swing overhead closers such as freedor hold fire doors open and automatically close them in the event of a fire alarm.
View our en size guide.
When activated by a fire alarm the magnet shuts off and releases the door.
Overhead fire door closers can be mounted in three different configurations which are commonly referred to as fig 1 61 and 66 positions please note that not all closers can be mounted in all configurations.
These electromagnetic door holders will keep the door open.
Holder release devices ansi bhma certified.
Both the 3130se and 4040se series are ul listed for metal smoke barrier or labeled fire doors and meet ansi bhma a156 15 and nfpa 101 life safety code standards.
The door can be left open in any position and does not resist the opening of the door.
Fire door closers come either with a rated or adjustable strength to cater for different sizes and weights of doors.
Fire door closers allow a fire door to open and close like any other door free of a door closer.
Reopen your school safely with fireco.
They are cul listed for self closing doors without hold open.
Door closers and controls from leading manufacturers such as geze dorma briton exidor union are suitable for fd30 fd60 and fd120 rated fire doors.
Fire alarm activated door closers these closers include a door holder which keeps doors open with an electromagnet.
The responder 24 electromagnetic fire door closer uses a revolutionary electromagnetic system to hold fire doors open while releasing instantly in the event of a fire alarm activation.
The sentronic series of closers are designed to hold open fire doors and automatically close them when they are triggered by the buildings fire detection system.
On commercial fire doors the magnetic fire door holders serves an array of purposes and safety functions.
Lcn sentronic products conform to nfpa101 and ansi a156 15.
This is extremely useful in long hospital hallways and corridors.
