The ALFA positive displacement pump with sanitary design is suitable for use in the dairy, food-processing, beverage, cosmetics, pharmaceutical, and fine chemicals industries. This positive displacement pump is perfect for managing all kinds of fluid, of either low or high viscosity, as well as for filtering and bottling application. It is a bare-shaft rotary lobe pump. It is made of a cast stainless steel pump casing and cover, and tri-lobe or twin-lobe rotors with sanitary attachment.