ABH 0147 3/4" Heavy Weight 3/4 Inch Offset Door Pivot Set, Top And Bottom

ABH 0147 Heavy Weight 3/4 Inch Offset Door Pivot Set, Top And Bottom, 1 3/4 Tk Door, Max Dr Width 48 In Weighing Up To 600Lbs, UL Listed 3 Hr Fire This ABH 0147 set includes a heavy-duty 3/4 inch offset door pivot for both the top and bottom of the door. It is suitable for use with 1 3/4 inch thick doors, with a maximum door width of 48 inches and a weight capacity of up to 600 lbs. Additionally, it is UL listed for 3 hours of fire resistance. Features: 019 intermediate pivot required (order separately) Handed - Specify LH or RH Maximum door load 600 pounds Maximum door width - 48" UL listed for use on 3-hour fire-rated doors  Standard Heavy-duty bearings Stainless steel base material Average weight per unit = 4 lbs Doors ranging from 60" to 90” tall should use one intermediate pivot. An additional intermediate pivot should be used for each extra 30" door height. Frame leaf mortises into the header Door leaf mortises into the top of the door Bottom leaf mounts on top of concrete floor