| 摘要 |
A method of securing a valve seat member for a ball valve within a tubular housing. Firstly, provide an annular valve seat member and a tubular valve housing. The annular valve seat member has a first face, a second face, an interior surface and an exterior surface. One of the first face and the second face of the annular valve seat member has an arcuate valve seat. The tubular valve housing has an interior surface defining an interior bore. Secondly, position an annular groove in the interior surface of the annular valve seat member and an annular groove in the interior surface of the tubular valve housing. Thirdly, lock the annular valve seat member to the interior surface of the tubular valve housing with a split ring having an exterior surface with a first annular tongue that engage the annular groove of the annular valve seat member and a second annular tongue that engages the annular groove in the interior surface of the tubular valve housing.
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