The Ductile Iron Wafer Butterfly Valve, manufactured to API 609 standards, is designed for reliable performance in demanding applications. Featuring a 20-inch size and Class 150 LB rating, it includes an ASTM B148 C95400 aluminium bronze disc, SS 410 shaft, and an EPDM liner seat for excellent sealing. The valve is coated with a special C5M offshore coating for enhanced corrosion resistance, making it ideal for offshore and marine environments.