Home → Tank Trailer Products → Valves → Butterfly Valves → Series 200 Butterfly → Bolted Disc Assembly - Sizes 8" - 12" → Butterfly Valve - 200 Series - Assembly - 8" - Aluminum Body - Stainless Steel Stem - Ductile Iron Disc - Black Nitrile Seat - Powder Coated Stamped Steel Handle Kit - 10 Position