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August 24, 2017

What Is Steam Quality?

Steam quality is the proportion of saturated steam (vapor) in a saturated condensate (liquid)/steam (vapor) mixture. A steam quality of 0 indicates 100% liquid (condensate), while a steam quality of 100 indicates 100% steam. One (1) lb of steam with 95% steam and 5% percent of liquid entrainment has a steam quality of 0.95.

The measurements needed to obtain a steam quality measurement are temperature, pressure, and entrained liquid content. A high percentage (88% or more) of industrial steam systems use saturated steam for process applications. Saturated steam (meaning steam that is saturated with energy) is completely gaseous and contains no liquid.

Real Article
http://www.plantengineering.com/single-article/steam-quality-plant-operations-require-high-steam-quality/b4696bfe2b1d40bb0b936398b3a4d1ff.html