Maximum door load 350 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 = 5 lbs. Doors ranging from 60" to 90” tall should use one intermediate pivot.
An additional intermediate pivot should be used for each additional 30" door height. (i.e., a 120" tall door should use two intermediate pivots)
Includes:
0180 - 1.5 Top Pivot Frame leaf mortises into the header
Door leaf mortises into the top of the door
0147 - 1.5 Bottom Pivot Bottom leaf mounts on top of concrete floor