I.C. 304 / 316 Butterfly Valve I.C. 304 / 316 Disc Rubber Seated from Universal Valves Pvt Ltd is part of our investment casting products range. A compact rotary butterfly-valve configuration for flow isolation or control in compatible piping systems. Catalog features include investment-cast stainless steel 304 / 316; rubber seating as specified. Please contact Universal Valves Pvt Ltd to confirm available sizes, pressure-temperature ratings, exact material/trim or seat options, end standards and suitability for the intended process medium before ordering.