BUTTERFLY VALVE;, WAFER;, PRESSURE CLASS: 300LBS;, NOMINAL DIAMETER: 500MM;, MATERIAL BODY: CAST IRON SCPH2;, PLUG MATERIAL: STAINLESS STEELSCS13;, SEAT MATERIAL: ETHYLENE PROPYLENE DIENE;, STEM MATERIAL: STAINLESS STEEL304;, FLUID: WATER;, DRIVE: PNEUMATIC ACTUATOR W/POSITIONER;, POSITION INDICATOR;, END: WAFER;, SEALING: ETHYLENE PROPYLENE DIENE;, COATING: ANTICORROSIVE;, REFERENCE/MANUFACTURER: PMA500W300P22E1A1/PNEUMAX;