... Butterfly ValveValve SpecificationMaterial: Stainless Steel (CF3/CF3M/CF8/CF8M)Name: Stain Steel Ventilation Butterfly ValveApplicable Standards: Butterfly valve design according to API609, ... 300, 600Temperature Range: -196°C~600°CBrandDIDTEKStructureButterflyValve MaterialDidtek provide cast steel, stainless steel, special alloy, CI, DI etcValve TypeDidtek Produce Butterfly ValveValve ...