| 摘要 |
A self-locking seal ring is disclosed. The self-locking seal ring includes a ring body having a tab end segment on one end and a channel end segment on the opposite end. A lock tab is provided on the tab end segment, and a lock channel is provided on the channel end segment for receiving the lock tab. The self-locking seal ring is easy to install in a ring groove in a main butterfly plate of a butterfly valve, for example, and facilitates optimum sealing of the main butterfly plate with respect to the butterfly valve housing.
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