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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]
Georg Fischer (company) Georg Fischer (abbreviated GF) comprises four divisions GF Piping Systems, GF Building Flow Solutions (since November 2023), GF Casting Solutions, and GF Machining Solutions. Founded in 1802, the corporation is headquartered in Switzerland and is present in 45 countries, with 187 companies, 76 of them production facilities.
Catalog of Fishes is a comprehensive on-line database and reference work on the scientific names of fish species and genera. It is global in its scope and is hosted by the California Academy of Sciences. It has been compiled and is continuously updated by the curator emeritus of the CAS fish collection, William N. Eschmeyer.
Shutdown valve - Wikipedia ... Shutdown valve
Fisher Scientific
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A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level. In automatic control terminology, a control valve is termed ...
Relief valve - Wikipedia ... Relief valve