Value for controlling flow of cryogenic fluid
Patent
·
OSTI ID:415758
A valve is provided for accurately controlling the flow of cryogenic fluids such as liquid nitrogen. The valve comprises a combination of disc and needle valves affixed to a valve stem in such a manner that the disc and needle are free to rotate about the stem, but are constrained in lateral and vertical movements. This arrangement provides accurate and precise fluid flow control and positive fluid isolation. 1 fig.
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5,586,745/A/
- Application Number:
- PAN: 8-462,338; TRN: 97:001287
- OSTI ID:
- 415758
- Resource Relation:
- Other Information: PBD: 24 Dec 1996
- Country of Publication:
- United States
- Language:
- English
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