... ,AZ ,CE Material:WCB ,PTFE Supplier of CNOOC,SINOPEC,CNPC,China national aviatio fuel,etc. - Type: Pneumatic Ball Valve- Processing: Long delivery pipes ... GB,API,ASME Face to face Flange connection/Welded connection Ball r ModelQ41FCertificateDNV ISO9001:2000, CE ,API,LRQA,TSSuitable medium General ...