Circulating cooling water is a major item in industrial water consumption. In petrochemical, electric power, iron and steel, metallurgy, papermaking, and other industries, the consumption of circulating cooling water accounts for 50-90% of the total water consumption of enterprises. Circulating cooling water is also used in air conditioning systems in large buildings, hospitals, and research institutes, and in the electronics industry. Circulating cooling water is to exchange medium heat through heat exchanger or direct contact heat exchange and recycled after the cooling tower to save water resources while ensuring the normal operation of the equipment and prolonging the service life. Commonly used circulating cooling water valves are butterfly valves, gate valves, ball valves, check valves, etc.

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