Wafer Split Design Centric Butterfly Valves - deally suitable for throttling regulating. On/ Off service for practically all mediums of flow: Drinking water, Salt water, Chemically treated water treatment plants, Gases and vapors, Compressed Air, Dust like products, Liquids containing suspected solids, Foods, Edible Oils, Milk and Food Products, Aggressive Chemicals, Acids and Bases, Crude Oil and Petrochemical Products, Refineries, Fertilizers and Ash Handling.