NASA NTRS · 19940000573
Low-Pressure-Drop Shutoff Valve
Abstract
Flapper valve remains open under normal flow conditions but closes upon sudden increases to high rate of flow and remains closed until reset. Valve is fluid/mechanical analog of electrical fuse or circuit breaker. Low-pressure-drop shutoff valve contains flapper machined from cylindrical surface. During normal flow conditions, flapper presents small cross section to flow. (Useful in stopping loss of fluid through leaks in cooling systems.)
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Thornborrow, John. 1994-10-01. Low-Pressure-Drop Shutoff Valve. https://ntrs.nasa.gov/citations/19940000573
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