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BFBM & BFBW - BOTTOM FIRE BOLTS

Bottom Fire Bolt, UL Listed to pairs of fire doors when specified with an automatic and self latching top flush bolt.

BFBW: Bottom Fire Bolt for Model 3240 or 3660 Automatic Flush Bolt , or 3905 Self Latching Flush Bolt for wood doors. 
              Material: US32D. 
             Operation: Bolt projects at 230°F, locking leaves.
          ANSI 630

BFBM: Bottom Fire Bolt for Model 3140 Automatic Flush Bolt , or 3805 Self Latching Flush Bolt for metal doors. 
              Material: US32D. 
             Operation: Bolt projects at 230°F, locking leaves.
             ANSI 630