... ) 7) Working medium: Water, Oil, Gas, Acid, Steam,etcFeatures:1) Blow-out proof stem2) Investment Casting Body3) Pressure Blance Hole in ... valve,CF8 ball valve,CF8M ball valve,SS316 Ball Vavle,SS304 Ball Valve,Check valve,Gate valve,Globe valve,Angle Seat valve,Sanitary ball valve,Sanitary butterfly valve,Sanitary check valve ...