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 Door leaf mortises into the bottom of the door
Includes:
0180 Top Pivot Frame leaf mortises into the header
Door leaf mortises into the top of the door
0147B Bottom Pivot Bottom leaf mounts on top of concrete floor