Valve

A valve in a simple configuration that prevents the seat from being damaged by self-excited oscillation of the valve body and thus prevents seat leakage can be provided, the valve comprising: a valve casing having a fluid inlet, a fluid outlet, and a valve chamber; a seat provided in the valve chamb...

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Bibliographische Detailangaben
Hauptverfasser:	SOGAO, MASAHIKO, MOURI, TOMOHIRO, NAGAO, MASAKAZU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A valve in a simple configuration that prevents the seat from being damaged by self-excited oscillation of the valve body and thus prevents seat leakage can be provided, the valve comprising: a valve casing having a fluid inlet, a fluid outlet, and a valve chamber; a seat provided in the valve chamber and having a seat surface; a stem inserted into the valve casing so that the stem can be vertically movable; and a valve body arranged at a tip of the stem and capable of abutting on the seat surface of the seat due to the vertical movement of the stem, a tip part of the valve body does not come into contact with the seat surface when oscillation occurs in the stem.