Certificate:DNV,ISO9001,API,AZ,CE Material:WCB,216-WCB Supplier of CNPC,SINOPEC,CNOOC,China national aviation fuel . - 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 Class 150 ...