They are used on fire doors to help prevent the spread of flames and smoke in the event of a fire.
Electric door closer hold open.
Shipped standard with selective hold open the 7200 series is designed to hold the door open at any point up to 180.
Hold the door open during normal hours of operation but will release when notified in an emergency situation.
Visionis automatic electric door opener vso 440a ado 110v closer for 440lb inswing doors built in receiver 2 wireless remotes 439 32 439.
Corbin russwin electric track closer holders are available in two basic functions for controlling fire smoke doors.
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.
The closing force power size en 2 6 closing speed the end stop and the back check are adjustable.
They are also used to keep out drafts and regulate room temperature in.
The geze ts5000e is a surface mounted door closer with an electromagnetic hold open guide rail arm suitable for doors up to 1400mm.
Me multi point electronic hold open.
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.
Hold open door closers.
The hold open can be adjusted between 80 and 130.
This unit is comprised of an integral smoke detector a solenoid hold open mechanism in the slide track and a door closer.
Utilize an electromechanical closer.
Door closer hardware door closers results with filters applied.
Lcn sentronic products conform to nfpa101 and ansi a156 15.
They are available in two types.
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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.
Single or multi point hold open closers.
The 7200 series is a multi point electromechanical closer holder that provides flexibility to installers and facility managers.
Explaining the features and benefits of electro magnetic hold open door closers.
Floor mounted available for single doors or two doors mounted back to back adequate space must be considered for floor mounted holder releases.
Door closers pull doors closed once they ve been opened and released.