geared hinge ABH A111HD Full Mortise Continuous Gear Hinge

geared hinge ABH A111HD Full Mortise Continuous Gear HingeBHMA Grade 1 Full Concealed, Heavy Duty 1 8" Door Inset 48" door width maximum 450 lbs. door weight maximum Average weight per unit = 11 lbs "LL" model for doors up to 1,000 lbs (lead lined staggered hole pattern) Fasteners: 12 24 X 3 4" undercut self drilling, thread forming tek machine screws Standard Lengths: 79", 83", 85", 95" and 120" + Custom Sizes Available Fire Rating Approved for use on metal swinging type fire doors rated up to and including

• BHMA Grade 1
• Full Concealed, Heavy Duty
• 1/8" Door Inset
• 48" door width maximum
• 450 lbs. door weight maximum
• Average weight per unit = 11 lbs
• "LL" model for doors up to 1,000 lbs (lead-lined staggered hole pattern)
  
  
• Fasteners:
  12-24 X 3/4" undercut self drilling, thread forming tek machine screws
  
  
• Standard Lengths:
  79", 83", 85", 95" and 120" + Custom Sizes Available
  
  
• Fire Rating
  • Approved for use on metal swinging type fire doors rated up to and including 90 minutes (Specifiy "FR" option for 3 hour rating)
  • Approved for use on wood swinging type fire doors rated up to and including 60 minutes (Specifiy "FR" option for 90 minute rating)
    
    
• Reinforcement:
  • Door Side: Not required for door weight up to 200 lbs. ABH recommends a minimum 12 gauge plate/channel for heavier doors.
  • Frame Side: Not required for door weight up to 200 lbs. For doors more than 200 lbs., a 16 gauge channel is recommended.