Special Features:

For condensate return and air systems, cr, ac piping and steam service; type cd with 2 nuts; 150 pounds pressure rating; 1-1/2 in., thickness of flange 5/64 in., outside diameter of flange 3-7/32 in., nlength 2-1/4 in.

Properties:

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes diaphra gm, valve, flat and gasket.