1. According to different working conditions and media, investment casting stainless steel butterfly valve plates such as ductile iron, carbon steel, stainless steel, duplex steel, and bronze can be provided. 2. Investment casting stainless steel butterfly valve plate is suitable for hvac, fire protection, water conservancy projects, urban water supply and drainage, electricity, petroleum, chemical industry and other industries, and can be used for gas, liquid, semi-fluid, solid, powder and other media. 3. The nominal pressure range of investment casting stainless steel butterfly valve plate is 0.1MPa~2.0MPa, which can meet various industrial pressure requirements.