NASA NTRS · 19820000089
Two-Speed Valve
Abstract
Operating torque adjustment of two-speed valve provided by preload spring and nut. Torque is adjusted so user finds valve easy to turn but does not turn it too quickly during fast-moving portion of valve stem travel. Drive pin transmits torque to differential nut.
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Drapeau, D. F.. 1982-12-01. Two-Speed Valve. https://ntrs.nasa.gov/citations/19820000089
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