For lead-lined doors to x-ray rooms and extremely heavy doors and gates. For hinged cell-front doors and grated steel doors of penitentiaries, jails, reformatories, etc. Made of triple weight steel capable of carrying doors weighing up to 2000 lbs. (906 Kg) (Based on a 3' x 7' door with 3 hinges). Each of the 2 concealed hardened steel races contains sixteen 3/16" (4.8 mm) hardened and ground steel balls which are assembled within a jacket. Provision has been made in the barrel of the hinge for forced lubrication if further lubrication is necessary. Typically made not swaged, no holes (application A) for full surface applications, or for full mortise (applications C) application (see catalog cut).
See Catalog Cut for more information.
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