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Valve papillon

Valve papillon
Butterfly valve is also called flap valve, is a simple structure of the regulating valve, can be used for low-pressure pipeline medium switch control butterfly valve refers to the closing parts (disc or butterfly plate) for the disc, revolving around the valve shaft to open and close a valve.
Valves can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media and other types of fluids.
 It mainly plays a cutting and throttling role in the pipeline. Butterfly valve opening and closing part is a disc disc, in the valve body around its own axis rotation, so as to achieve the purpose of opening and closing or regulating.
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