Fire Door Closing Mechanism

Fire door closers are used as a mechanism to enable fire doors to be held open often at any angle if free swing to ease access and ventilation whilst ensuring that they will automatically close in the event of a fire.

Fire door closing mechanism.

Door closers can be linked to a building s fire alarm system. These hold open devices can be separate from the door. Door closer size 3 commercial or domestic use hmos etc fire doors adjustable speed bs en 1154 ironzone 10 year warranty 4 0 out of 5 stars 29 14 50 14. Where doors need to be held open for the majority of the time they are held back with an electromagnetic device.

When choosing a door closer you need to ensure that your fire door still shuts every single time so choosing the right one for your home or business should not be taken lightly. Global door controls grade 1 duranodic commercial door closer. Deficiencies should be reported to the landlord or managing. Building owners and residents should ensure all fire doors are kept in good condition and the self closing mechanism working correctly.

According to the nfpa fire code 14 5 4 self closing devices a door leaf normally required to be kept closed shall not be secured in the open position at any time and shall be self closing or automatic closing in accordance with 14 5 4 2 unless otherwise permitted by 14 5 4 3. Door closers are critical life safety equipment pieces and work in a similar way to panic exit devices. The universal hardware heavy duty aluminum commercial door closer the universal hardware heavy duty aluminum commercial door closer is suitable for aluminum wood and hollow metal storefront applications. Meets ansi grade 1 standards and ada requirements.

In the event of a fire outbreak and a fire alarm sounding the door closers will automatically operate and shut the door providing a safety barrier to reduce the spread of. When the fire alarm is triggered it cuts power to the electromagnetic hold open device allowing the doors to close.