DUBBELSETESVENTIL

A double sealing valve is provided which prevents the passage of fluid doubly and which is particularly well suited for use in manufacturing and processing machinery or plants where food or beverage products are handled. The valve comprises a valve head or valve seal adapted to be pressed against a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WATANAHE H, ISHIBASHI A, OKADA K, YAMANAMI S
Format:	Patent
Sprache:	swe
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 double sealing valve is provided which prevents the passage of fluid doubly and which is particularly well suited for use in manufacturing and processing machinery or plants where food or beverage products are handled. The valve comprises a valve head or valve seal adapted to be pressed against a valve seat as is the case with an ordinary valve, and a piston mounted on a shaft for actuating the valve seal, wherein a portion of a valve body is formed into a constricted cylindrical shape so that the piston slides in contact therewith, whereby a first seal is provided by the contact between the valve seal and the valve seat and a second seal is provided by the contact between the piston and the cylindrical portion of the valve body.