The hold open or free swing function is enabled on the arm when the door closer is fitted giving on door closer for both uses.
Electromagnetic hold open door closers.
The electromagnetic door closer series is a range of fixed power door closers with an integrated electromagnetic hold open mechanism.
Electronic ho door closers are connected to a power supply and will close the fire door in the event of a fire or other emergency.
In conjunction with an alarm smoke detection system the ts 73 emf can be used as a hold open free swing door closer for fire and smoke check doors.
The dorma ts 73 emf is a combination of hydraulic door closer and electromagnetic hold open unit.
9451 allgood hardware figure 1 electromagnetic hold open overhead door closer maximum door weight.
950mm independently tested to bs en 1155 incorporated in successful fire tests and assessed to bs en 1634 1 and bs 476 pt 22 up to 120 minutes on timber doors and up to 240 minutes on fully insulated steel.
Successfully third party tested to bs en1155.
Free swing door closers allow a fire door to operate as if no door closer is fitted a must in care homes or any place where ease of access is required.
60kg maximum door width.
Floor mounted available for single doors or two doors mounted back to back adequate space must be considered for floor mounted holder releases.
An electromagnetic hold open or free swing overhead door closer for commercial and public access use.
Designed for virtually any remote door release application electromagnetic door holders releases can be be tripped by an alarm or smoke detector or triggered by a remote switch.
Electromagnetic door closers are linked with a building fire alarm system so that when the fire alarm is activated the power to the closers is cut and doors shut.
Ho door closers are ideal for busy environments where fire doors undergo frequent use.
Some overhead door closers may have an optional hold open arm however this is not to be used on fire doors.
Designed to either hold the door open or in swing free mode allowing the door to be opened with no resistance from the closer.
Available to either hold open or free swing an electromagnetic door closer is linked to the fire alarm with the aim to provide free access while also closing a door in the event of a fire.
