The American-BFV butterfly valve is offered with flanged end connections in sizes 3 to 144 in., and mechanical joint end connections in 4 to 48 in. The wafer-style butterfly valves have alignment fins for mating with ANSI 125 flanges, ISO PN10 and PN16 flanges and are available in sizes 4 to 12 in. The butterfly valves offer the advantage of a standard epoxy interior and a resilient seat design.