Floor mounted available for single doors or two doors mounted back to back adequate space must be considered for floor mounted holder releases.
Electromagnetic door holders.
This is extremely useful in long hospital hallways and corridors.
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Likewise the magnetic fire door holder can be used on fire or smoke barrier doors held open until released by a remote switching device.
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The device holds a door open while energized.
These electromagnetic door holders will keep the door open.
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Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices.
These door holder releases have a holding force of approximately 25 lbf 111n.
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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.
When de energized by a relay controlled by the fire alarm system or other switch the door is released to a closed position checking the spread of smoke and flames.