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PYZQ2 high pressure ball valve
High-pressure ball valve appeared in the 1950s. With the rapid development of science and technology, the continuous improvement of production technology and product structure, zhenhai accumulator manufacturer has rapidly developed into a major valve in just 40 years.In western countries with developed industries, the use of high-pressure ball valves is increasing year by year. In China, ball valves are widely used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceuticals, water conservancy, electric power, municipal administration, iron and steel and other industries, and play an important role in the national economy.