Tapered anti-cavitation cage

A control valve includes a cage is disposed within a valve body adjacent to a valve seat. The cage includes a first sleeve and a second sleeve. The first sleeve includes a first circumferential wall having a first inner surface, a first outer surface, and a first longitudinal axis. The first sleeve...

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Bibliographische Detailangaben
Hauptverfasser:	Kinser, Andrew, Alman, Paul T
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:	A control valve includes a cage is disposed within a valve body adjacent to a valve seat. The cage includes a first sleeve and a second sleeve. The first sleeve includes a first circumferential wall having a first inner surface, a first outer surface, and a first longitudinal axis. The first sleeve also includes a first plurality of openings disposed in the first circumferential wall. The second sleeve includes a second circumferential wall having a second inner surface and a second outer surface and a second longitudinal axis. The second sleeve also includes a second plurality of openings disposed in the second circumferential wall. The first outer surface of the first circumferential wall is tapered at a first angle relative to the first longitudinal axis, and the second inner surface of the second circumferential wall is tapered at a second angle relative to the first longitudinal axis.