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Passive level indicator and valve for transferring LN2

 

作者: R. G. Goodrich,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1984）
卷期: Volume 55, issue 7  

页码: 1176-1177

 

ISSN:0034-6748

 

年代: 1984

 

DOI:10.1063/1.1137883

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A gas thermometer operated diaphragm valve for controling LN2transfers is described. The value uses the pressure variation of air or N2between 77 K and ambient temperature to open and close the vent line of a self‐pressuring storage Dewar.

 

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