API Swing Flange Check Valve
Product Profile：
Pressure：Class150
Standard：ASME B16.34
Material：A351-CF8; CF8M; CF3; CF3M; A216-WCB;
Pressure：Class150
Standard：ASME B16.34
Material：A351-CF8; CF8M; CF3; CF3M; A216-WCB;