Valve

To provide a valve having a simple configuration in which the seat is not damaged by self-induced oscillation occurring in the valve body, and there is no leaking. A valve provided with: a valve box having a fluid inlet, a fluid outlet, and a valve chamber; a seat that is provided to the valve chamb...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOGAO, MASAHIKO, MOURI, TOMOHIRO, NAGAO, MASAKAZU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:To provide a valve having a simple configuration in which the seat is not damaged by self-induced oscillation occurring in the valve body, and there is no leaking. A valve provided with: a valve box having a fluid inlet, a fluid outlet, and a valve chamber; a seat that is provided to the valve chamber and that has a seat surface; a stem inserted into the valve box so as to be capable of moving up and down; and a valve body that is arranged at the distal end of the stem and that comes into contact with the seat surface of the seat due to the up and down movement of the stem; the valve being characterized in that when oscillation occurs in the stem, the distal end part of the valve body does not come into contact with the seat surface.