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What is the working principle of the globe valve?

Views:27     Author:Site Editor     Publish Time: 2021-08-06      Origin:Site

The globe valve, also called the cut-off valve, is one of the most widely used valves. The reason why it is so popular is that the friction between the sealing surfaces is small during the opening and closing process, which is relatively durable, has a low opening height, and is easy to manufacture. Easy maintenance, not only suitable for medium and low pressure, but also suitable for high pressure. The closing principle of the globe valve is to rely on the pressure of the valve stem to make the sealing surface of the disc and the sealing surface of the valve seat closely fit to prevent the medium from flowing.

The valve plays an important role in cutting off and throttling the medium in the pipeline. The globe valve is an extremely important cut-off valve. The valve stem exerts pressure to make the sealing surface of the valve disc closely fit the sealing surface of the valve seat, and prevent the medium from leaking along the gap between the sealing surfaces.

The sealing of the globe valve is composed of a valve disc sealing surface and a valve seat sealing surface, and the valve stem drives the valve disc to move vertically along the center line of the valve seat. In the process of opening and closing of the shut-off valve, the opening height is small, the flow is easy to adjust, and the manufacturing and maintenance are convenient, and the pressure application range is wide.


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