NASA NTRS · 19720000013
Hermetic isolation valves
Abstract
Mechanism consists of thermal actuator, which expands when flow is desired, forcing cutter poppet through a diaphragm seal. Design concept is useful in systems that are stored for long periods of time before operation.
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Makowski, M. J., Mangion, C.. 1972-01-01. Hermetic isolation valves. https://ntrs.nasa.gov/citations/19720000013
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