Check valve
1 - Body to Cover Joint designed to apply a uniform load to the gasket to assure a leak proof seal. Seat Rings are seal welded to provide a bubble tight joint.2 - Disc to Hanger connection allows the disc a controlled movement independent of the hanger to assure proper disc alignment with the seat at closure.3 - The connection is secured by a welded disc nut to prevent disassembly due to vibration and closure impact.4 - Stellited Seat Ring provides increased resistance to

