float valve

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float valve

[′flōt ‚valv]
(engineering)
A valve whose on-off action is controlled directly by the fall or rise of a float concurrent with the fall or rise of liquid level in a liquid-containing vessel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

float valve, float-controlled valve

A valve which controls the flow of water; its opening or closing depends on the position of a float which rides on the surface of water in a tank, as in a water closet.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Typically, makeup water to cooling towers is provided by domestic or industrial water piped to a float valve in each tower basin.