VALVE STEM SUPPORTING STRUCTURE

PROBLEM TO BE SOLVED: To provide a steam valve supporting structure having excellent wear resistance and high reliability, preventing leakage and easy in repair. SOLUTION: A valve stem supporting structure includes a valve stem having a valve element for sealing fluid at the end thereof and a cylind...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI YUICHI, ANZAI HIDEYA, SEKIHARA TAKASHI
Format:	Patent
Sprache:	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:	PROBLEM TO BE SOLVED: To provide a steam valve supporting structure having excellent wear resistance and high reliability, preventing leakage and easy in repair. SOLUTION: A valve stem supporting structure includes a valve stem having a valve element for sealing fluid at the end thereof and a cylindrical bush which is fixed to the inner face of casing having a valve seat for contacting with the valve element and contacts the valve stem at the inner face. The welded shape of Stellite on a bush inner face is formed in a bar shape in the longitudinal direction. Material of satisfactory machinability is applied to portions of the Stellite inner face where Stellite is not applied. COPYRIGHT: (C)2011,JPO&INPIT