The PBB PH51 4-1/2" x 4-1/2" US32D is a 3-Knuckle, Full Mortise, Heavy Weight Concealed Bearing Hinge, For use on heavy doors or doors receiving high-frequency usage. Concealed bearing-type hinges must be used on doors in conjunction with door closers and on all fire-rated openings.
Features
For heavy-weight doors receiving high-frequency service
Welded hospital tipped ends
Cast stainless steel base material
Welded hospital tipped ends
For heavy-weight doors receiving high-frequency service
For schools, hospitals, or other public buildings where security requirements exist
Concealed bearing for trouble free long life application
Reverse security stud casted into both leaves for added security feature
All hinges are ANSI template
Specifications
General Product Information:
PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI)
Material:
Stainless Steel (ANSI A5111)
Hinge Swaging:
A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16” clearance between leaves.
