Constant Latching Flush Bolt
Model No. : FB510M - For metal doors
FB510W - For wood doors
 
Non - handed.
Label : A ( 3 - Hour Fire Exit Hardware )
Face Plate :
FB510M - 1" x 6-3/4"
FB510W - 1" x 8-1/2"
Finish : US3, US4, US26, US26D, US32, US32D
   
Used at top of door only, an automatic flush bolt should be
combined for use at bottom of door. Or a constant latching
flush bolt combines with the auxiliary fire latch, providing
significant reduction in door prep and eliminating floor prep
entirely.
When inactive door closes, flush bolt is automatically latched.
Constant Latching Flush Bolt Model No. : FB510
Automatic Flush Bolt Model No. : FB610M - For Metal Doors Model No. : FB610W - For Wood Doors
Automatic Flush Bolts
Model No. : FB610M - For Metal Doors
Model No. : FB610W - For Wood Doors

Non - handed.
Label : A ( 3 - Hour Fire Exit Hardware )
Face Plate :
FB610M - 1" x 6-3/4"
FB610W - 1" x 8-1/2"
Finish : US3, US4, US26, US26D, US32, US32D
   
Use on inactive leaf of double wood/hollow metal doors.
Used in pairs at top and bottom of inactive door. If use one
unit for top side only, it has to combine with an auxiliary
fire latch which replaces the bottom bolt.
Full automatic, when active door is opened, inactive door
is free.
Automatically locks inactive door under high fire/heat
conditions.
Patented products :
Taiwan Patent No.: 192118
China Patent No.: 512293
Japan Patent No.: 393327
USA Patent No.: Pending