Hydraulically actuated valve for very low temperatures

Pat R. Roach*, J. B. Ketterson, M. Kuchnir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


In order to seal off an experimental cell containing liquid He at temperatures down to 20 mK and at pressures up to 25 atm we have developed a valve that is actuated hydraulically by liquid He and which seals repeatedly with a leak rate of less than 10-10 cm3/sec of liquid He II.

Original languageEnglish (US)
Pages (from-to)898-899
Number of pages2
JournalReview of Scientific Instruments
Issue number6
StatePublished - Dec 1 1972

ASJC Scopus subject areas

  • Instrumentation


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