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EspañolAs we all know, the role of the control valve in life and production is very important, and its technical application and product development have been widely concerned. Today, let's take a look at the concept and origin of the control valves.
1. Concept
The control valve is a control component in the fluid conveying system, which has the functions of diversion, interception, regulation, throttling, prevention of backflow, diversion or overflow pressure relief, etc. It is used to control air, water, steam, various corrosive chemical media, Movement of various types of fluids such as mud, liquid metal, and radioactive material.
2. Origin
The development of control valves is closely related to the production process of human life and continues to develop with the progress of human science and technology. In primitive society, human beings adjusted the water flow of rivers or streams, using large rocks or tree trunks to stop the flow of water or change the direction of water flow. This is the most primitive concept of control valves. According to literature, Egyptian and Greek civilizations invented several primitive types of control valves for crop irrigation, but these water systems were simplistic. The origin of the control valve is generally recognized in the academic circle: a copper plug valve used by the ancient Romans in the waterway is the originator of the control valve.
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