... ,API, AZ,CE Materials:PTFE,Rubber Trunnion ball valve as the class-1 supplier for CPMEC,CNPC - 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, ... /YearPayment TermsL/C,T/T "Class 300" trunnion forged steel ball valve for gas pipeline