IVES FB 51P-PAIR AUTOMATIC FLUSH BOLTS-
FB50 Series for Metal Doors
• Constant Latching—inactive door remains latched until
the active door is opened, releasing the automatic bottom
bolt and then the top bolt can be manually released.
Inactive door will relatch automatically when closed.
• Low Actuation Forces.
• UL Listed for Fire Doors.
• Fits standard ANSI A115.4 Door and Frame Preparations.
• Models with Auxiliary Fire Latch eliminates the bottom bolt and is UL Listed for Fire Doors.
Top and Bottom Bolts
FB51P combines FB51T
constant latching top bolt
with FB31B automatic
bottom bolt. Non-handed.