ABH 4000 Series Concealed Mount, Medium Duty, Overhead Stop & Holder

ABH 4000 Features

• 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.

ABH 4000 Options (Please call us if you require any of these options)

• "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