What is the minimum diameter of the pneumatic regulating ventilation butterfly valve? What are the components of the valve? With the rapid development of electromechanical integration technology, as well as the development of microelectronics and computer technology, some electric valves have more and more obvious shortcomings in their work, such as low control accuracy, complex on-site debugging, and loopholes in fault diagnosis methods. Petrochemical, electric power, metallurgical and chemical industries, urban construction and other industries have increased the demand for electric on-off butterfly valves. However, the product quality in China's valve market is uneven, and high-end valves need the guidance of national policies and the support of scientific and technological research and development strength.
、 (3) For the position of pneumatic butterfly valve in pipeline installation, it is recommended to adopt vertical installation instead of inverted installation.
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