Sanitary butterfly ball valve: $r $n evolved from a plug valve. It has the same 90 degree rotation lifting action, but the difference is that the plug body is a sphere with a circular through-hole or channel passing through its axis. $r $n stainless steel sanitary grade ball valve is a valve designed specifically for sanitary fluid control. Sanitary butterfly ball valves are usually made of stainless steel material, which has good corrosion resistance and cleanliness. $r $n $r $n Sanitary butterfly ball valves are commonly used in industries such as food, pharmaceuticals, cosmetics, and biotechnology, and are used under sanitary conditions that require strict control of fluids. They have the characteristics of reliable sealing, easy operation, easy cleaning and maintenance, and can