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DESCRIPTION

"IVES" AUTOMATIC BOTTOM BOLT

This "Ives" FB31B Automatic Bottom Bolt is fully Automatic—inactive door is latched when active door closes, bolts retract when active door is opened. Optional Dust Proof Strikes—DP1 or DP2, prevents dirt build-up assuring full engagement of bottom bolt. Finished Cover Plates permit finish changes in stock or at job site.

Highlights:

• Non-handed.
• Satin Brass finish.
• Body Size: 1" Wide x 6-3/4" Long x 2" Deep
• Guide Size: 1" Wide x 1-27/32" Long x 27/32" High x 3/32" Thick
• Strike Size: 15/16" Wide x 2-1/4" Long x 1/16" Thick
• Rub Plate Size: 1-1/4" Wide x 1-11/16" Long x 3/64" Thick
• Auxiliary Fire Latch Size: 1" Wide x 1-3/4" Long x 3-1/4" Deep
• Filler Plate Size: 1" Wide x 6-3/4" Long x 3/32" Thick
• Bolts have 3/4" throw with a 7/8" vertical adjustment.
• Standard Rod Length is 12", which is measured from the center of the flush bolt body to the bolt tip.
• Low Actuation Forces—Top Bolt Has No Spring Tension.
• Fits standard ANSI A115.4 Door Frame Preparations.
• Models with Auxiliary Fire Latch eliminates the bottom bolt and is UL Listed for Fire Doors.