Socket weld, threaded, combined.

Bolted or welded bonnets options.

Low fugitive emissions control.

Seat rings are seal welded to provide a bubble tight joint;

Nace service either MR-0175 or MR-0103

Test in accordance with API-598.

One-piece construction to withstand the severe shock of check valve service;

Body to cover joint designed to apply a uniform load to the gasket to assure a leak proof seal;

The connection is secured by a welded disc nut to prevent disassembly due to vibration and closure impact;

Non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin. Disc hanger is supported on a sturdy disc carrier hinge pin of excellent bearing qualities.