Hold Open Device Fire Door

The geze door hold open devices and mechanisms allow doors to be closed more securely in any event of fire to prevent dispersion of harmful smoke gases.

Hold open device fire door. The dorma 1800 series hold open h function is designed for buildings where it is desirable to have smoke fire doors in the open position under normal circumstances but which must close upon loss of current. Fire door retainers also called fire door holders allow occupants to hold fire doors open in a legal and safe manner removing the temptation of wedging the doors open. These electromagnetic door holders will keep the door open. When smoke detectors react to smoke the door closes.

The hold open angle for the door can be adjusted from 70 to 120. The method of achieving this may be either automatic or manual depending on the type of. Description of door hold open device. For example the most common use is using the magnetic door holder as a hold open device.

Door hold open devices are used for controlling the hold open function on fire proof doors. These devices are also used where doors are need to be left open for short time intervals. Current consumption 60 ma 24 vdc. On commercial fire doors the magnetic fire door holders serves an array of purposes and safety functions.

Hold open device has adjustable hold open function. These units will operate as a standard door control whether or not power is applied. A hold open device comprises. These devices hold the doors open in the day to day running of the building but will release the fire doors if there is a fire allowing the fire door closers to do their job.

Maximum door weight 160kg. When the final exit door is opened inwards the parrot beak fitted to the lock side of the door engages with the keeper fitted to wall and automatically clips to hold the door open in an emergency situation. Dorgard hold open fire door retainer red 86469 product rating 4 6 out of 5 stars compare. Low battery auto door release.

This is extremely useful in long hospital hallways and corridors. Doors use of hold open devices on fire doors page 2 of 3 in sleeping risk premises each door fitted with an automatic door release should be closed at a predetermined time each night and remain closed throughout the sleeping hours. Upon loss of power to the hold open device the. In your basket checkout now.

A hold open device can be installed to hold the door leaves in the open position until they are released either manually or in the event of a fire at which point the door closes automatically. A trigger mechanism which processes the signals issued by the fire alarm. Designed for final exit non rated doors that opening inwards for fire exit compliance. If the fire rated door is held open for convenience it must be arranged to respond to the products of combustion and close if there is a fire.

Click collect deliver update. The maximum door width is 1400 mm.