For food, beverage and pharmaceutical clean production lines, OUWEI sanitary butterfly valves adopt full 304/316L stainless steel structure with polished inner surface, no dead corners to avoid medium residue. Clamp, weld and threaded connections support CIP/SIP online cleaning. Silicone food-grade seal meets global hygiene requirements, widely applied in dairy, beverage filling and biopharmaceutical workshops. #OUWEI #SanitaryButterflyValve #FoodGradeValve #PharmaceuticalValve #CleanPipeline #StainlessSteelValve
