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rotary valve

noun, Machinery
1.
a valve that rotates continuously or through an arc to open and close.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for rotary valve
  • The proper function of the discharge device could only be restored after replacing the tubular screw with a rotary valve.
  • The fly ash is continuously discharged through a rotary valve into an ash disposal line.

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9
8
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