Basic Steam Heat Revisited - ACHR News

Oct 08 2007 · Be aware typical low-pressure steam systems function best at 1/2 to 2 ppi - maximum! Also be aware the pressure gauge that comes with new steamers is totally inaccurate to this pressure range; add a 0-5 ppi gauge to the replacement boiler as well as the code required and furnished one.

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Wet Steam vs. Dry Steam: The Importance of the Steam ...

s = s f + X s fg. where: X = Dryness (% / 100) s f = Specific Entropy of Saturated Water. s fg = Specific Entropy of Saturated Steam - Specific Entropy of Saturated Water. The wetter the steam the lower the specific volume enthalpy and entropy will be because the dryness percentage is a

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Steam Heating Process - Load Calculating

In general steam heating is used to. change a product or fluid temperature; maintain a product or fluid temperature; A benefit with steam is the large amount of heat energy that can be transferred. The energy released when steam condenses to water is in the range 2000 - 2250 kJ/kg (depending on the pressure) - compared to water with 80 - 120 kJ/kg (with temperature difference 20 - 30 o C).

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