Talk:Control valve

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 Definition A valve used within an industrial plant or elsewhere to control operating conditions such as pressure, temperature, liquid level and flow rate by fully or partially opening or closing in response to signals received from controllers that compare a "setpoint" to a "process variable" whose value is provided by independent sensors that monitor changes in such conditions. [d] [e]

Wikipedia has an article of the same name

The WP article has been revised, expanded and reformatted for uploading as a CZ article. Milton Beychok 13:04, 19 August 2008 (CDT)