| 摘要 |
A stern tube seal having a fixed slidable ring and a rotatable and slidable ring in close contact and sliding with respect to the fixed slidable ring, wherein an annular groove is formed in a sliding end surface of the fixed slidable ring, a leaked liquid recovery line is disposed from the fixed slidable ring to the side of inboard, and if necessary, an annular lip portion having a pressure receiving surface disposed on the side of inboard is fitted within the annular groove.
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