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does von duprin afl
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Answer
What is AFL on fire rated LBR exit devices?
Resolution:
AFL stands for "Auxiliary Fire Latch" on fire rated exit devices.:
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:
At what degree will the AFL (Auxiliary Fire Latch) bolt release?
Resolution:
1400 degrees which is approximately 20 minutes after the fire starts.: