NASA NTRS · 19650000325
Pressure responsive seal handles static and dynamic loads
Abstract
Ported ball valves are sealed under both static and dynamic load conditions by a line-pressure responsive double-acting seal. The top of the seal engages the ported ball at the outer circumferential edge of the seal upper end, and the bottom of the seal seats on a flat circular land with a continuous wall.
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Marsh, H. W.. 1965-11-01. Pressure responsive seal handles static and dynamic loads. https://ntrs.nasa.gov/citations/19650000325
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