Maximum door load 1,750 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 = 9 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
Including:
L0180 Top Pivot Frame leaf mortises into the header Door leaf mortises into the top of the door
L0117B Bottom Pivot Bottom leaf mortises into the floor
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