作者: Wade Jonathon Helfer
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摘要: Packing followers for use with valves are described. An example packing follower a valve includes body having an elongated portion and bore therethrough to receive shaft. A of the is tapered exert force on retainer that at least partially surrounds positioned within groove shaft when moves toward opening defined by body. Additionally, has first component in direction perpendicular longitudinal axis second smaller than parallel bore.