... Certificate:DNV,ISO9001,API,CE Material;GB,WCB Ball valve is the class-1 supplier of CNOOC,CNPC,CAO - Type: ... 10MPa Class 150-600Suitable temperature-196-550°CDesign reference GB,API,ASME,TS,LRQA Face to face Flange ... :2000, CE ,API,LRQA,TSSuitable medium General type :Water,Oil and natural gasAntisulphur type :Natural gas containing H2S ... "Class 900" wcb ball valve for the pipeline of water mediums