Forged steel swing check valves bolted bonnet

1Full port or conventional port;
2Lift type check valves;
3Ball type check valves;
4Swing type check valves;
5Acceding to requirement equip inside spring;
7Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet;
7Socket weld ends to ASME B16.11
8Screwed ends(NPT)to ANSI/ASME B1.20.1.
9Disc can change for throttle type, needle type, ball type and check type.