Pipeline products India Dealers and manufacturers of Butterfly Valves, Good, better SKS, CIM, Zoloto, Sant, Wj, Normex, Leader, Audco,  Advance Wafer Type Butterfly valves, Castle S.G.Iron Disc Butterfly valves. A Butterfly Valve is a type of quarter-turn valve used to regulate or isolate fluid flow in a pipeline. Butterfly valves are often used in large-diameter piping systems, as they are lightweight, easy to operate, and can handle a wide range of fluids and gases. Valves are mostly made of stainless steel and alloy materials.