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阀门广泛应用于石油石化、电力、水利、建筑、钢铁、造船等各行各业,在石油石化行业里,主要应用于管路流体输送系统中,是流体输送系统的主要控制部件,主要功能是倒流、截止、止回和溢流泄压,部分阀门还有调节、节流和分流的功能。目前,中国的阀门企业数量居全球之首,各种大大小小的阀门企业有6000余家,其中年产值超过500万元的阀门企业约有900家。据有关方面统计,中国每年阀门市场的成交额高达500亿元左右,
Valves are widely used in petroleum and petrochemical, power, water conservancy, construction, steel, shipbuilding and other industries, in the petroleum and petrochemical industries, mainly used in pipeline fluid delivery system, the fluid control system is the main control components, the main function is to back , Cut-off, check-back and relief pressure relief, some valves also regulate, throttle and divert functions. At present, the number of valve enterprises in China ranks first in the world. There are over 6,000 valve enterprises of all sizes, of which about 900 are valve enterprises with an annual output value exceeding 5 million yuan. According to relevant statistics, China’s annual turnover of the valve market as high as 50 billion yuan,