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Encyclopedia > Ball cock

A ballcock is a mechanism for filling water tanks, such as those found in flush toilets, while avoiding overflow.


It consists of a valve connected to a float by means of a lever, mounted near the top of the tank. The valve is connected to the incoming water supply, and is opened and closed by the lever which has the float mounted on the end. When the water level has risen to the desired point, the float forces the lever to close the valve and shut off the water flow.


These devices are sold at most hardware, plumbing supply, and home improvement stores.




  Results from FactBites:
 
Ball cock for railway vehicle - Patent 6298878 (2609 words)
A ball cock valve for a railway vehicle, according to claim 3, wherein said extension pipe is generally U-shaped when said air exhaust aperture is positioned in a generally vertical direction at an upper surface of said main body portion.
A ball cock valve for a railway vehicle, according to claim 1, wherein said extension pipe is generally U-shaped when said air exhaust aperture is positioned in a generally vertical direction at an upper surface of said main body portion.
Therefore, when the ball cock is mounted in a manner such that the air exhaust aperture is positioned upwardly of a general horizontal direction, the opening surface of the extension pipe can be positioned lower than this horizontal direction by connecting the extension pipe to the pipe connection of the air exhaust aperture.
Ball cock assembly float with drain openings - Patent 5287882 (2050 words)
A toilet tank ball cock is designed for use in a toilet tank having an operating lever, a flush valve controlled by the operating lever and a water supply, with the ball cock regulating the supply of water to the tank.
In ball cocks of the type disclosed herein there is a float which moves between spaced stops with the lowering of the float to the lower stop opening the ball cock refill valve and the raising of the float to the upper stop closing the refill valve.
Thus, the height of the ball cock assembly on the riser tube is adjustable, depending upon the desired volume of flow from the toilet tank.
  More results at FactBites »


 
 

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