Magna Electro Castings Ltd supplies Ductile Iron Rotary Valve. Magna Electro Castings Ltd is an ISO 9001: 2000 and ISO 9002 recognised company manufacturing a wide range of Ductile Iron and Gray Iron casting and machined components. The Ductile Iron Rotary Valve is made from iron of 400/12 grade and is available in rough finish for use as machine castings in various industrial applications. The Ductile Iron Rotary Valve comes in the weight of 8.25 Kg.