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“ auxiliary fire bolt ”

Resolution: 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?

Resolution: 1400 degrees which is approximately 20 minutes after the fire starts.:

Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?

Resolution: Installation should be 6" from bottom of the door. See attached templates as reference. T-5494 for HM Doors W-5494 for Wood Doors:

AUXILIARY FIRE LATCH

Resolution: AFL:

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“ auxiliary fire bolt ”

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