The materials of Sanitary Butterfly Valve valve plate are as follows:
1. Bronze plate: valve plates of this material are usually used in seawater.
2. Ductile iron plate: this type of valve plate is mainly used in sludge treatment, urban water supply, industrial water supply and other fields, and its valve body is usually made of this material.
3. Austenitic stainless steel plate: widely used in sanitary butterfly valve plate materials, it can achieve good matching with cast iron valve body, cast steel valve body and stainless steel valve body; because of the appropriate sealing surface, it can be used within the specified range of corrosion or temperature.