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A shutdown valve (also referred to as SDV or emergency shutdown valve, ESV, ESD, or ESDV; or safety shutoff valve) is an actuated valve designed to stop the flow of a hazardous fluid upon the detection of a dangerous event. This provides protection against possible harm to people, equipment or the environment.
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The building was offered for sale in 1967. [4] William C. Rea purchased it that year for $48,000; he expressed plans to house an electronics store, drive-in Christian film office, and possibly a museum of the history of Franklinton. [5] The building was home to Jimmy Rea Electronics from 1975 to 2014. [2]
Isolation valves must effectively stop the passage of fluids. [4] Gate valves, ball valves and plug valves are generally considered to provide tight and effective shut-off. Globe valves and Butterfly valves may not be tight shut-off due to wear on the plug or the seat, or due to their design, and may not be appropriate to provide effective ...
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A gas tap is a specific form of ball valve used in residential, commercial, and laboratory applications for coarse control of the release of fuel gases (such as natural gas, coal gas, and syngas). Like all ball valves its handle will parallel the gas line when open and be perpendicular when closed, making for easy visual identification of its ...
Libbey-Owens merged with the Edward Ford Plate Glass Company in 1930 to form Libbey-Owens-Ford Glass Company. [1] In April 1986, LOF sold its glass business and name to the Pilkington Group, a multinational glass manufacturer headquartered in the United Kingdom. The remaining three business units of the company, Aeroquip, Vickers, and Sterling ...
Orifice plate showing vena contracta. An orifice plate is a thin plate with a hole in it, which is usually placed in a pipe. When a fluid (whether liquid or gaseous) passes through the orifice, its pressure builds up slightly upstream of the orifice [1] but as the fluid is forced to converge to pass through the hole, the velocity increases and the fluid pressure decreases.