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In recent years, China's valve industry has developed rapidly, the product export and market share is expanding, and gradually become the important production base and main product sales market of the global valve industry.
China valve industry has been developed for several decades since the beginning, with the development of valve technology, the valve model is constantly improved, the valve application field is widening, and the corresponding valve standards are more and more important and indispensable.
Valve commonly used actuator is divided into: pneumatic actuator, electric device, with straight stroke, angle stroke. It is used to automatically and manually open and close all kinds of valve, wind plate and so on.