Certificate:DNV ISO9001 ,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 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 ...