For use on 1-3/4" lead-lined doors Maximum door load 800 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
L0180 Top Pivot Frame leaf mortises into the header
Door leaf mortises into the top of the door
L0147 Bottom Pivot Bottom leaf mounts on top of the finished floor