Cast Iron / Cast Steel Wafer Design Butterfly Valve, Body as per CI IS 210 Gr. FG 200 / ASTM A 216 Gr. WCB, S.G. Irons / S.S. 304 / S.S. 316 Disc, AISI 410 / 304 / 316 Spindles, Acceptable for mounting between two flange of ANSI – 150, Levers / Gears Operate, Valves as per BS 5155 / API 609