- 0180 Top Pivot
- Frame leaf mortises into header
- Door leaf mortises into top of door
- 0147 Bottom Pivot
- Bottom leaf mounts on top of concrete floor
- Door leaf mortises into botton of door
- Maximum door load 600 pounds
- Maxium 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