Water Quality Requirements for Steam Generator AT and 3T

 

The nature of a steambath generator requires testing of the feedwater to avoid potential high concentrations of impurities which can cause a deposit or scale to form on the internal surfaces. This deposit or scale can interfere with the equipment's proper operation and even cause premature generator failure.

Concentration of impurities is generally controlled by treating the feedwater and or "blowing down" the generator when it is not heating. The "blow down" process involves removing a portion of the tank water with high solid concentration and replacing it with makeup water.

To insure proper operation, the water supply should be tested prior to operating the equipment. There are several treatment processes which can be used if you have a problem with hard water. A local reliable water treatment company can recommend the appropriate treatment if required. The recommended feed water quality is listed below.

Feedwater Quality

Hardness, ppm 10 - 30 (0.5 - 1.75 gpg)
T-Alkalinity, ppm 150 - 700 (8.75 - 40.8 gpg)
Silica Range, ppm 15 - 25 ( 1.28 - 1.45 gpg)

    

 
 
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