... ,API,AZ,CE Material:WCB,216-WCB Supplier of CNPC,SINOPEC,CNOOC,China national aviation fuel . - Type:Cast steel trunnion ball valve- Processing: Long ... ,API,ASME Face to face Flange connection/Welded connection Ball valve ModelQ47FCertificateDNV ISO9001:2000, CE ,API,LRQA,TSSuitable medium General type :Water,Oil ...