BUTTERFLY VALVE; NOMINAL SIZE: 4 IN; FLUIDS: WATER, STEAM, AIR, DILUTE ORGANIC ACIDS, ABRASIVES. TEMPERATURE RANGE: -31°F TO +2 48°F (-35°C TO +120°C); MOUNTING TYPE: WAFER; DISC MATERIAL: STAINLESS STEEL; OPERATING TYPE: FREE SHAFT. UNIVE RSAL TOP FLANGE FOR ISO 5211 ACTUATOR MOUNTING; PRESSURE: CLASS 150; BODY MATERIAL: CARBON STEEL; SEAT MATERIAL: EPDM; BODY MATERIAL: CAST STEEL ASTM A216 WCB, SEAT MATERIAL: EPDM, DESIGN STANDARD API 609, FACE-TO-FACE DISTANCE PER API 609, WALL THICKNESS AND CLASSES (PRESSURE-TEMPERATURE RATIO) PER ASME B16. 34, TESTING STANDARD API 598, AWWA C504, MOUNTING DIMENSIONS FOR FLANGED ENDS OR BETWEEN FLANGES AS PER ANSI B16. 5 CLASS 125/150-PN10/16; ; VALVE MUST BE PROVIDED WITH TRABACANDING DEVICE – SUITABLE FOR USE OF SWITCH WITH NOMINAL SLAB/BRING DIAMETER OF 6 – THREAD HOLE DIAMETER OF 8 MM; OTHER BRANDS: FLOWSERVE; METSO; RTS; MANUFACTURER 1: INTERATIVA; MODEL 1: 2009003; MANUFACTURER 2: TYCO; MANUFACTURER 3: VALVTRONIC.