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air valve

noun
1.
a device for controlling the flow of air, as from a pipe or tank.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for air valve
Historical Examples
  • The two then thoroughly mix and enter the combustion chamber together as the air valve F is opened.

  • In the cab ahead the handle of the air valve was slammed into the big notch.

    Lady Luck Hugh Wiley
  • Next pull round till the crank is in the position for the air valve opening, and observe that it is set correctly.

  • It will be noticed that a metering pin or needle valve opens the jet when the air valve opens.

    Aviation Engines Victor Wilfred Pag
  • As it was, he turned the air valve automatically, and listened nervously as the stale air hissed out and the fresh air hissed in.

    Divinity William Morrison
  • The air valve is first opened or the spring tension reduced to a point where the engine misfires or pops back in the carburetor.

    Aviation Engines Victor Wilfred Pag
  • A turn of the air valve then sent the sunken freight boat to the surface.

  • Carefully observe if the air valve is not tight in sleeve of gas valve.

    Farm Engines and How to Run Them James H. Stephenson
  • Here you have to open the air valve yourself and let out the air that accumulates in the radiator.

  • Mortlake plunged his hands in among the machinery and readjusted the air valve of the carburetor.

British Dictionary definitions for air valve

air valve

noun
1.
a device for controlling the flow of air in a pipe
2.
a valve for exhausting air from a fluid system, esp from a central-heating installation See also bleed valve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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