ball valve

ball valve

noun Machinery.

  1. a valve controlling flow by means of a ball pierced with an opening in one direction and fixed to rotate on a spindle at right angles to the opening.
  2. any valve that checks flow by the seating of a ball.


  1. a one-way valve consisting of a metal ball with a cylindrical hole fitting into a concave seat over an opening


  1. A valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure.
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