Certificate:DNV,ISO9001,API,CE Material;GB,WCB Supplier of CNOOC,SINOPEC,CNPC,China national aviation fuel,etc. - Type: ... Class 150-600Suitable temperature-196-550°CDesign reference GB,API,ASME,TS,LRQA Face to face Flange connection/Welded ... connection Ball valve ModelQ61FCertificateDNV ISO9001:2000, CE ,API,LRQA,TSSuitable medium General type :Water,Oil and natural gasAntisulphur ...