Butterfly valve working principle and scope of application
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Butterfly valve working principle and scope of application

Views: 4     Author: Site Editor     Publish Time: 2023-03-22      Origin: Site

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Butterfly valve working principle and scope of application

Butterfly valve is a kind of valve that uses disc type opening and closing parts to turn back and forth about 90° to open, close or adjust the flow of medium. Butterfly valve not only has simple structure, small size, light weight, low material consumption, small installation size, small driving torque, easy and fast operation, but also has good flow regulation function and closing and sealing characteristics at the same time. One of the fastest valve varieties. Butterfly valves are widely used. The variety and quantity of its use are still expanding, and it is developing towards high temperature, high pressure, large diameter, high sealing, long life, excellent adjustment characteristics, and multi-function of a valve. Its reliability and other performance indicators have reached a high level.

When the butterfly valve is configured with different actuators, it can evolve into an electric butterfly valve, a pneumatic butterfly valve, a hydraulic control butterfly valve and an electro-hydraulic butterfly valve.

The scope of application of butterfly valve

Butterfly valves are suitable for flow regulation. Since the pressure loss of the butterfly valve in the pipeline is relatively large, the robustness of the butterfly plate to withstand the pressure of the pipeline medium should also be considered when it is closed. In addition, the limitation of the operating temperature of the elastic seat material at high temperature must also be considered. The structural length and overall height of the butterfly valve are small, the opening and closing speed is fast, and it has good fluid control characteristics. The structural principle of the butterfly valve is most suitable for making large-diameter valves. When the butterfly valve is required to be used for flow control, the most important thing is to correctly select the size and type of the butterfly valve so that it can work properly and effectively.

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