Pneumatic Metal Seat Flanged Ball Valve Size DN 15 to DN 150 Air pressure 0.4 to  0.7MPa Body ratings 1.6MPa, 4.0MPa , 6.4MPa Medium Temp  -20°C ~ +250°C Control type Spring Return, Double Acting Action mode switch to cut off Body connections wafer Body material WCB, CF8, SUS304, SUS316, food grade material Disc material 2Cr13, F304, F316, WCB, FZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti Stem material 2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti Seal ring Intensified PTFE, digital polystyrene Packing […]