STEAM FLOW DETECTION Flow DetectorsSTEAM FLOW DETECTIONSteam flow detection is normally accomplished through the use of a steam flownozzle.EO 1.4 DESCRIBE density compensation of a steam flowinstrument to include the reason density compensationis required and the parameters used.The flow nozzle is commonly used for the measurement of steam flow and other high velocityfluid flow measurements where erosion may occur. It is capable of measuring approximately60% higher flow rates than an orifice plate with the same diameter. This is due to thestreamlined contour of the throat, which is a distinct advantage for the measurement of highvelocity fluids. The flow nozzle requires less straight run piping than an orifice plate. However,the pressure drop is about the same for both. A typical flow nozzle is shown in Figure 8.Figure 8 Flow NozzleIC-04 Page 12 Rev. 0
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