NASA NTRS · 20080004195
Wear resistant valve
Abstract
A valve which is resistant to wear caused by particles trapped between the valve seat and the valve member or poppet when the valve closes, including an outlet for directing washing fluid at the valve seat and/or sealing face of the poppet and means for supplying pressured fluid to the outlet at the time when the valve is closing.
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Perkins, Gerald S.. 1980-02-12. Wear resistant valve. https://ntrs.nasa.gov/citations/20080004195
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