Gate valve and slide valve
A gate valve is equipped with a valve box, a middle valve body, a position-switching means, a movable valve part, a first movable valve part, a first biasing part, a second movable valve part, a second biasing part, and a third biasing part.
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A gate valve is equipped with a valve box, a middle valve body, a position-switching means, a movable valve part, a first movable valve part, a first biasing part, a second movable valve part, a second biasing part, and a third biasing part. |
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