| 摘要 |
A plug container has a flanged, splined end which mates with a complemental end of a casing adapter member. These two ends are secured to each other by a clamping mechanism which permits easy connecting and disconnecting of the two ends, thereby affording easy interchanging of different adapter members. The plug container has a cavity with a diameter larger than the outer diameter of the plug to be retained in the cavity so that pressure equalization around the plug is maintained without an external bypass. Pressure equalization is also maintained adjacent a cap which closes an end of the plug container. This pressure equalization of the cap is achieved by one or more radial openings in an abutment wall of the cap. The cap is sealed by a pressure-energized seal disposed in the interior surface of the housing into which the plug is threadedly connectible. Two manifold ports are disposed near the two ends of the cavity in which the plug is to be disposed.
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