Valve for cryogenic service

Patent · Tue Sep 02 00:00:00 EDT 1975

OSTI ID:7368419

Worwetz, H A

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
• Resource Relation: Patent File Date: Filed date 13 Dec 1973; Other Information: PAT-APPL-424,257
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
VALVES
DESIGN
CONTROL
CRYOGENIC FLUIDS
FLUID FLOW
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
FLUIDS
420200* - Engineering- Facilities
Equipment
& Techniques