Apparatus for fixing the position of a valve element shaft in a bore
Patent
·
OSTI ID:6825515
A valve is described comprising: a valve body having a flow passage and at least one bore; a valve stem disposed in the bore, the stem peripherally extending, generally equally spaced, discrete grooves; a valve closure element disposed in the flow passage to control flow of fluid through the bore, the valve element being secured to the stem; means providing a stop internally of the bore; abutment means disposed in the bore and providing at least one inwardly tapered abutment surface, the abutment means being in engagement with the stop means, the valve stem being positioned in the bore such that the tapered surface is in generally surrounding relationship to at least one of the grooves; split ring means received on the valve stem; and means received in the bore to urge and maintain the split ring in engagement with the tapered surface and at least one groove whereby the split ring is wedged between the tapered surface and at least one groove thereby restraining relative axial movement between the valve stem and the valve body and maintaining the position of the valve element in the valve body.
- Assignee:
- Keystone International, Inc., Houston, TX
- Patent Number(s):
- US 4659064
- OSTI ID:
- 6825515
- Country of Publication:
- United States
- Language:
- English
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