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Boiler Feedwater Limits
Boiler feed water limits
|
DRUM PRESSURE |
BELOW 600 PSI |
600 TO |
1,000 TO |
OVER 2,000 PSI |
|
Total Solids, ppm |
0.15 |
|||
|
Total Hardness |
0 | 0 | 0 | 0 |
|
Silica |
1.7 - 2.5 |
0.4 - 0.8 |
0.04 - 0.4 |
0.01 - 0.04 |
|
Iron, ppm |
0.1 |
0.05 |
0.01 |
0.01 |
|
Copper, ppm |
0.05 |
0.03 |
0.005 |
0.002 |
|
Oxygen, ppm |
0.007 |
0.007 |
0.007 |
0.007 |
|
pH |
8.0 - 9.5 |
8.0 - 9.5 |
8.5 - 9.5 |
8.5 - 9.5 |
|
Organic |
0 | 0 | 0 | 0 |