IMPROVEMENTS RELATING TO FLAP VALVES FOR FLUID CONTROL
Patent
·
OSTI ID:4842277
A flap valve preferably for flow control in the gas ducts of a nuclear reactor installation is described. It comprises a hinged valve closure member controlled by an electric motor, a valve casing, a diaphragm preferably constituted by thin metal sheets, and bridge pieces forming a frame for the valve lid and bolted to the lid so that a free movement of these pieces in the direction perpendicular to the valve seat is secured. The said metal sheets are fixed on the bridge piece so as to extend beyond the edges of these pieces and are pressed on the surfaces of the valve lid on the one hand and of the valve seat in the valve casing on the other hand, thus forming the gas tight closure. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-027141
- OSTI ID:
- 4842277
- Report Number(s):
- FR 1212086
- Country of Publication:
- France
- Language:
- English
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