| 摘要 |
A bung is provided for sealing an opening in a pressure vessel. The bung includes an annular body portion and a flange extending radially outwardly for one end of the body. In one embodiment the flange includes an inner inclined surface adjacent the annular body portion. In an alternate embodiment, the vessel includes an inclined or angled engagement surface adjacent the vessel opening. A gasket is provided between the flange of the bung and the engagement surface adjacent the vessel opening. The inclined surface of the bung and/or the vessel urges the gasket radially inwardly upon the bung being threaded into the pressure vessel opening.
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