Fuente: WIPO "dairy products" The utility model provides a valve protective sheath for dairy products production line, a serial communication port, the valve insulation cover is clamp formula structure, include that last clamp reaches clamp down, clamp one end adoption activity ear piece and articulated fixed part swing joint under upward the clamp reaches, to including interior anticorrosive coating, buffer layer, heat preservation and outer anti -corrosion layer outward in proper order in the valve protective sheath, interior anticorrosive coating is located the valve outside. A valve protective sheath for dairy products production line adopts clamp formula structure, and installation and dismantle portably and has interior, outer anti -corrosion layer, provides dual anticorrosive, improve the valve protective sheath the non -corrosibility can, in addition, have and keep warm and the cushioning effect, the protection valve improves the life of valve.