Q: Butterfly valve structure and working principle? Answer:?
Butterfly valve, also called flap valve, is a kind of regulating valve with simple structure. It can also be used in the switching control mode of low-pressure pipeline medium. Butterfly valve refers to a kind of valve whose closing piece (valve disc or butterfly plate) is a disc and rotates around the valve shaft to open and close. It mainly plays the role of cutting off and throttling in the pipeline. The opening and closing part of butterfly valve is a disc shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment?

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