Sanitary Butterfly Valve is usually made of stainless steel 316L or other corrosion-resistant and high-temperature resistant materials. It can withstand various harsh process environments, avoid metal ion precipitation and contamination of products, and ensure the safety and hygiene of the production process.

In summary, sanitary butterfly valves are preferred when high hygiene standards, precise flow control, convenient installation and maintenance, and the media have corrosive or high-temperature characteristics are required.