| 摘要 |
PROBLEM TO BE SOLVED: To provide a changeover valve which performs changeover without adjusting and replaces a shaft under various temperature conditions. SOLUTION: This changeover valve 1 includes a valve body 2, and a changeover shaft 3 inserted into the valve body and changing over a channel of material by rotation, and is provided with a channel 4a making material flow therein, and a notch 4b for releasing expansion of the changeover shaft. COPYRIGHT: (C)2011,JPO&INPIT
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