| 摘要 |
A valve inspection chamber includes a housing having a first horizontal flow opening, a second horizontal flow opening, and a vertical inspection and valve retrieval opening. A gate valve member is provided. A gate valve receptacle is positioned in the housing on a vertical plane in a flow path of one of the first horizontal flow opening and the second horizontal flow opening. The gate valve receptacle is vertically aligned with the vertical inspection and valve retrieval opening, such that the gate valve member can be inserted and retrieved through the vertical inspection and retrieval opening. A retrieval tool engagement is positioned on top of the gate valve member.
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