2 Ductile Iron Butterfly Valve Lug/Gear Stainless Steel Disc/Ethylene Propylene Diene MonomerThe 12 Ductile Iron Body Butterfly Valve Wafer Lever Duct Disc Buna N is a lever operated, high performance valve designed for fluid flow control and shutoff in a variety of industrial applications. It features a ductile iron body and disc, providing excellent strength and durability, while the Buna N seat ensures a tight, leak proof seal. The lever handle allows for manual, quarter turn operation for precise flow regulation. Specification Value TYPE