IMPROVEMENTS RELATING TO TIGHT VALVES
Patent
·
OSTI ID:4006959
In order to avoid loss of fluid which may be radioactive or toxic, a valve able to control the circulation of this fluid comprises two bellows having different diameters and being coaxially arranged. One end of each bellows is in tight connection with the inner wall of the valve casing. The other ends of these bellows are connected with a movable piece. This movement is associated with a variation of the volume bounded by the wall of the valve casing, the two bellows and the said movable piece, so that this movement may be controlled by controlling the state of a control fluid occupying this volume. This movable piece supports the valve member that can be pressed against the valve seat. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-026154
- OSTI ID:
- 4006959
- Report Number(s):
- FR 1208224
- Country of Publication:
- France
- Language:
- English
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