NASA NTRS ยท 19720000121
Micro regulating ball valve
Abstract
Ball valve of simple, rugged configuration overcomes leakage because there are no critical wear areas. Design has stable and precise calibration. Device can be assembled or disassembled in seconds and needs no lubrication.
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Hawkins, J. W.. 1972-01-01. Micro regulating ball valve. https://ntrs.nasa.gov/citations/19720000121
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