... WCB Flanged Swing check valve : Check valve : API6D/API608/PI602/API594 Face to face: ASME B 16.10 Products Description :1: Products name: Flanged ... : Size: 2”-24”Pressure Rating: Class150/Class300/Class600/Class900/Class15003: Flanged endsMaterial: WCB, WC6, WC9, LCB,CF8, CF3, CF8M, CF3M, CN7M ... CE, API 6D, API 607, TS and ISO 9001 API Flanged Swing check valve