NASA NTRS · 19840000145
A Positive-Shutoff Fuel Valve
Abstract
Pneumatically actuated ball valve utilizes continuous contact ball seat seals and dynamic delta seals in lieu of bellows to seal against low pressure leads in fuel supply lines.
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Tolpen, J.. 1985-01-01. A Positive-Shutoff Fuel Valve. https://ntrs.nasa.gov/citations/19840000145
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