... ,S.S, Cast Iron, ductile iron, Bronze etc Wafer Butterfly Valve Specification:1) Size: 2" - 128"2) Rating: 150lbs-600lbs ... We can make Butterfly valves,wafer butterfly valve, API butterfly valve and Lug butterfly valve .The material for cast steel, stainless steel and the ... standard for AISI,DIN,BS,JIS, with ...