QYR Market Research Global Valve Positioners market research | Page 5

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Positioners should be installed if the valve is intended for use
in a control application.
Many oil & gas, petrochemical and process engineering plants
are now operating with wide ranges of temperatures,
pressures and flow rates. Harsh environments require valve
and control products to function in severe service applications,
requiring tougher and more reliable components with the
ability to withstand extreme temperature or pressure
fluctuations and maintain chemical and corrosion resistance.
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