... can product as the request of customers vertical wave valve control Valve Size: 2" -128", 150LB-600LB, PN6~PN100. Material: C.S ... OEM. We can make Butterfly valves,wafer butterfly valve, API butterfly valve and Lug butterfly valve .The material for cast steel, stainless steel ... AISI,DIN,BS,JIS, with different dimension,too. vertical wave valve control