KETON designed specifically for high-corrosion, high-pressure, high-temperature, flammable and explosive, and strong medium working conditions in industries such as petroleum, chemical engineering, coal chemical engineering, oil and gas storage and transportation, refining and chemical plants, and fine chemical production, it is suitable for the transportation and cutoff regulation of special media such as crude oil, refined oil, acid and alkali media, organic solvents, and high-temperature steam, meeting the continuous operation and safety requirements of petrochemical plants.