Thread Vertical Check valve : API6D/API608/PI602/API594 Thread ends:ASME B1.20.1/EN 10226-2 /EN ... ISO-228-1 Products Description :1: Products name: Thread Vertical check valve2: Size: 1/2”-2”Pressure Rating: 200WOG3 ... : Thread endsMaterial: WCB, WC6, WC9, LCB,CF8, CF3, CF8M, CF3M, ... CE, API 6D, API 607, TS and ISO 9001 Thread Vertical check valve