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Steam heating systems are a bit of a mystery for many engineers and contractors. Much of the “old school” knowledge on steam heat exchangers retired years ago. With the limited number of new steam systems being installed today, this subject is rarely covered with any detail. Most healthcare facilities and some industrial facilities use ...
Read MoreBy Jerry Timm
When the laws and characteristics of steam are respected, fewer operating problems occur and unnecessary costs are minimized.
Steam is an invisible gas created by adding heat energy to water. It is liquid water changed to its gaseous state.
By Mike Sneary
Superheated steam occurs when heat energy is added to saturated steam that is not in contact with liquid. When the heat energy is added, the steam temperature is increased above the saturation temperature. Superheated steam is referred to as ‘dry’ steam meaning it contains no water droplets. This effect can also occur when the pressure of saturated steam is reduced through a pressure control valve.
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