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Plug Disc Globe Valve

The figure shown here illustrates a Plug Disc Globe Valve.

This design is equipped with a special disc design. Notice that this valve has long, tapering seat which matches the plug disc (for globe valves sometimes we refer to the disc as the “plug”, “disc plug”, or “disc”.)

The wide area of contact between the seat and the disc makes this design function very well in a flow regulating duty; it also helps in prevention of erosion and leaks.

Notice the plug and the seat are both screwed in elements, which makes the replacement of damaged components very easy.

Graphic: Courtesy Crane Valve Company