... plant, food, medicine, textile, water Supplying/draining, paper making, ship building, environmental protection, etc. 3. Material List Body: 65 - 45 ... Pressure(lb): 50, 150 Nominal Diameter: 2 24 Joint type: Wafer Testing API: 598 Suitable Media: Water, oil, ... or - 64 5 220 Dviving type: Handle, worm gear, electrical, pneumatic, hydraulic DEMCO type Butterfly Valve(Interchangeable with Demco Model ...