VALVE WEAR RING AND GATE VALVE WITH WEAR RING

The present invention is directed to improved valves having removable interior wear rings and valves containing the removable wear rings. In an example, the wear ring comprises a high-hardness metal ring, the high hardness metal ring having an exterior surface configured to engage the body of gate v...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BLENKUSH ROBERT A, WATTERODT SIDNEY
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is directed to improved valves having removable interior wear rings and valves containing the removable wear rings. In an example, the wear ring comprises a high-hardness metal ring, the high hardness metal ring having an exterior surface configured to engage the body of gate valve. A polymeric overlay covers at least a portion of the exterior surface of the metal ring, the polymeric overlay forming the final dimensional shape of the wear ring.