Control valve
Patent
·
OSTI ID:5845234
In a steam power plant system a control valve for controlling the flow of the steam is described, comprising: a hollow valve body having a steam inlet at one side and a steam outlet at one end; a cylindrical valve bonnet in the housing; a cylindrical plug guide extending from an end of the valve bonnet toward the steam outlet and secured to the valve bonnet by a plurality of short bolt extending longitudinally through a portion of the plug guide and threaded into the end of the valve bonnet, the plug guide having an opening therethrough in communication with the interior of the valve body; a valve seat secured to the end of the valve guide by a plurality of long bolts extending longitudinally through the valve seat and a portion of the plug guide and threaded into the plug guide and located at the steam outlet in the valve body so that the plug guide and valve seat can be removed as a single unit; a valve plug slidably mounted in the plug guide; and means for moving the valve plug into and out of engagement with the valve seat to control the flow of steam through the valve.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA
- Patent Number(s):
- US 4834133
- OSTI ID:
- 5845234
- Country of Publication:
- United States
- Language:
- English
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