... 3 Low torque 4 High quality, low price 5 sanitary stainless steel valve,butterfly valve,pneumatic valves. Specification: DN50-600Temperature:-35 ... /1.6MpaMaterials of Body: CF8,CF8M,CF3M Materials of Disc: Stainless steel, Plated Ductile cast iron, Ductile iron coated PlasticMaterials of ...