NASA NTRS · 19670000525
Dynamic valve seal is reliable at cryogenic temperatures
Abstract
C-shaped PTFE /polytetrafluorethylene/ seal ring provides a reliable seal in cryogenic fluids over a fluid pressure range of 0 to 2000 psig. It is interference-fitted internally with a metal expander ring and a metal compressor ring.
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Moxley, H. E.. 1967-12-01. Dynamic valve seal is reliable at cryogenic temperatures. https://ntrs.nasa.gov/citations/19670000525
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