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

Valve for cryogenic service

Patent ·
OSTI ID:7368419

This patent relates to a valve for use with a liquefied gas at cryogenic temperatures in which a pair of joined knife edges are bellows controlled to contact an indium alloy seat in an annular slot when flow is to be stopped. The sealing alloy may be renewed by heating in situ. (auth)

Assignee:
U.S. Energy Research and Development Administration
Patent Number(s):
US 3902695
OSTI ID:
7368419
Country of Publication:
United States
Language:
English