Abstract:Needle valves control fluid passages by rotating t...
Needle valves control fluid passages by rotating the valve core. The process is very simple and effective. The main components of the valve include valve body, valve core and valve stem. The valve core is a cylindrical plug, which is nested in the valve body through the rotational movement of the valve stem. The angle of this rotational movement is adjustable and can be achieved by manual control or drive device.
The rotational movement of the valve core directly affects the opening degree of the channel, thereby realizing the regulation and control of the fluid flow. The position of the valve core determines the cross-sectional area of the channel. By rotating the valve core, the valve can gradually open or close the fluid channel, thereby regulating the flow of fluid. This design makes the plug valve particularly suitable for scenarios where precise control of fluid flow is required.
The fast switching characteristics of plug valves make them widely used in applications requiring frequent operation and quick response. The plug shape of the valve core allows the valve to rotate quickly to achieve instant opening or closing of the channel, which is suitable for some industrial scenarios that require rapid adjustment of flow. This ability to switch quickly makes plug valves play an important role in some industrial environments that require quick response and efficient control.
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