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The most common final control element in the process control industries is the control valve. The control valve manipulates a flowing fluid, such as gas, steam, water, or chemical compounds, to compensate for the load disturbance and keep the regulated process variable as close as possible to the desired set point. [1]
Control valve - Wikipedia ... Control valve
Reece-Fish. The Reece-Fish is a variable choke, [citation needed] side- or downdraft design, with few moving parts to wear or adjust. To change from side-draft to downdraft, the installer simply rotates the float chamber to suit the carburetor orientation. The engine tuner David Vizard rated this carburetor highly in his book Tuning the A ...
Fishing light attractor are operated every night. After a while, fish discover the increased concentration of bait surrounding the light. Once located, the fish return regularly, and can be harvested. Flossing - also called bottom bouncing. A method of angling usually used for salmon. It uses a hook and bait attached to a weighted bouncer ...
Fish anatomy - Wikipedia ... Fish anatomy
Zone valve. A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system. In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones. [1] For example, in a house, the main floor may be served by one heating zone while the ...
Fishing rod - Wikipedia ... Fishing rod
Diaphragm valve - Wikipedia ... Diaphragm valve