Butterfly Valves Lug Style Body Material Ductile Iron Max Water Pressure 200 psi Pipe Size 10 in Liner Material Buna-N Disc Material 316 Stainless Steel Number of Bolt Holes 12 Bolt Circle Dia 14 1/4 in Lug Dia 7/8 In.-9 Standards ANSI API ASME ANSI API ASME