Invention Application
- Patent Title: VALVE WEAR RING AND GATE VALVE WITH WEAR RING
- Patent Title (中): 阀门磨损和阀门与磨损
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Application No.: US13908668Application Date: 2013-06-03
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Publication No.: US20130334453A1Publication Date: 2013-12-19
- Inventor: Robert A. Blenkush , Sidney Watterodt
- Applicant: DeZurik, Inc.
- Main IPC: F16L55/105
- IPC: F16L55/105
Abstract:
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.
Public/Granted literature
- US09140397B2 Valve wear ring and gate valve with wear ring Public/Granted day:2015-09-22
Information query
IPC分类:
