Certificate:DNV, ISO9001,API,AZ and CE Material:WCB,Rubber Supplier of CNOOC,CNPC,SINOPEC,China national aviation fuel,etc. - Type:Cast steel trunnion ball valve- Processing: Long delivery pipes of natural gas- Method: Handle operation ,Worm gear operation,Pneumatic and hydraulic, Electric- Raw Material: WCBProduct Information Nominal size DN50-1000mm, 2’’-40’’Pressure rating range PN1.6-25MPa ...