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U.S. Department of Energy
Office of Scientific and Technical Information

NEEDLE VALVES

Patent ·
OSTI ID:4140871
A needle valve for accurately controlling the flow of gases and liquids for long periods of time is designed. It can operate with high-vacuum equipment. The valve comprises a body enclosing a movable needle and a floating seat provided with a stop member that restricts needle movement when in contact with the seat so as to prevent excessive needle pressure on the seat. (D.L.C.)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-14-025603
OSTI ID:
4140871
Report Number(s):
GB 848261
Country of Publication:
United Kingdom
Language:
English

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