Grooved Butterfly Valve norminal pressure: 300WOG/300PSI suitable media:water,steam,oils working temp.: -15---135 DEG C Grooved Butterfly ValveThe Grooved butterfly valve is ductile iron material , size is 2"-12", working pressure is 300WOG .Grooved Butterfly Valve:SERIES: 3000BODY TYPE: Grooved End TypeSIZE: 2"-12"NOMINAL PRESSURE: 300WOG/300PSISUITABLE MEDIUM:WATER,STEAM,OILSWORKING TEMP.: -15 ...