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“ auxialiary fire latch ”

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Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?
Installation should be 6" from bottom of the door. See attached templates as reference.  T-5494 for HM Doors W-5494 for Wood Doors
Does Von Duprin have a fire latch that will go into the floor?
Auxiliary fire latch is tested only from door to door latching by Von Duprin. Some door manufacturers have tested our devices LBR and use additional fire latches to pass the fire test. Contact the ...
At what degree will the AFL (Auxiliary Fire Latch) bolt release?
1400 degrees which is approximately 20 minutes after the fire starts.
Can you do LBR on a 98/9947 WDC?
This is available. If this is a fire rated opening you must use the Auxiliary Fire Latch Kit to maintain your Fire Rating.  If not fire rated simply omit the bottom rod but be aware that your...
What is a deadbolt?
Deadbolt Locks (Deadlocks): a lock with a bolt which requires a deliberate action to extend and which resists end pressure in the unlocking direction when fully extended Medium, high to extra he...