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ABH 4000 Medium Duty Concealed

by ABH

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  • Concealed Mount
  • Medium Duty
  • Stop, hold-open and friction functions avialable
  • Single or double acting doors
  • Non-handed
  • For Interior or exterior use on moderate traffic and medium weight doors
  • Standard installation from 85° to 110° (5° increments)
  • Shock absorbing spring provides 3° to 5° cushion before dead-stop
  • 1 3/8” minimum door thickness 
  • UL Listed as Miscellaneous Fire Door Accessories for use on wood fire doors rated up to 90 minutes and metal fire doors rated up to3 hours (stop function only)
  • Average weight per unit = 2 lbs.
  •  "N" All Stainless Steel (non-ferrous) components for wet environments to prevent corrosion
  •  "HC" Hold Closed
  •  "LL" Lead-Lined
  •  "LS" Less Spring
  •  "NON-FERROUS SCREW" - Non-ferrous fasteners provided in lieu of standard fasteners
  •  "SEC" Fasteners
  •  "T" Threaded Pivot Screw & Nylon Washer in Lieu of Jamb Bracket
  •  "THICK" Special Door Thickness
  •  Special - Contact ABH if the dimension, hardware or specifications differ from what is shown on the template or if additional hardware is being used at the top of the door. A custom template and/or unit may be required