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Title: 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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