Gate valve

A gate valve includes: a valve box; a support body disposed inside a hollow portion; a valve plate including a fixed valving section, a movable valving section sliding in a direction in which a flow passage is extended, a first peripheral region; and a second peripheral region; a first biasing secti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WADA SHINICHI, NAKAMURA KYUZO, SHIBAYAMA KOUJI, SAKODA SEIYA
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A gate valve includes: a valve box; a support body disposed inside a hollow portion; a valve plate including a fixed valving section, a movable valving section sliding in a direction in which a flow passage is extended, a first peripheral region; and a second peripheral region; a first biasing section disposed at the first peripheral region, allowing the movable valving section to move toward a first opening portion, allowing the movable valving section to come into contact with an inner surface, pressing the movable valving section onto the inner surface, and closing the flow passage; and a second biasing section disposed at the second peripheral region, allowing the movable valving section to move toward a second opening portion, and releasing the flow passage by separating the movable valving section from the inner surface.