Electromagnetic Hold Open Door Closers

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.

Electromagnetic hold open door closers.

9451 allgood hardware figure 1 electromagnetic hold open overhead door closer maximum door weight. 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. 60kg maximum door width. The electromagnetic door closer series is a range of fixed power door closers with an integrated electromagnetic hold open mechanism.

Designed to either hold the door open or in swing free mode allowing the door to be opened with no resistance from the closer. The dorma ts 73 emf is a combination of hydraulic door closer and electromagnetic hold open unit. This closer is designed to be professionally installed into the building s fire alarm system. 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.

Some overhead door closers may have an optional hold open arm however this is not to be used on fire doors. 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. Linked to the buildings fire detection system the hold open electromagnetic door closer can be used to safely and legally hold open doors throughout a building to aid flow of traffic and provide barrier free access for inhabitants but upon detection of a fire releases the door automatically allowing it to close.

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. 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. Floor mounted available for single doors or two doors mounted back to back adequate space must be considered for floor mounted holder releases. Ho door closers are ideal for busy environments where fire doors undergo frequent use.

An electromagnetic hold open or free swing overhead door closer for commercial and public access use.