Appendices 8200 Compressor
Appendix F: Additional Cooling Water Quality Parameters Installation, Operation, and
8040353 Brooks Automation
6-16 Revision AA
Appendix F: Additional Cooling Water Quality Parameters
Table 6-2: Additional Cooling Water Quality Parameters
Water Constituent Unit
Acceptable
Limits
Saturation-Index SI (delta pH-value) -0.2 < 0 < +0.2
Total hardness °dH 6 - 15
Conductivity mg/l 10...500
Filtered substances mg/l <30
Chlorides mg/l <500
Free chlorine mg/l <0.5
Hydrogen sulphide mg/l <0.05
Ammonia mg/l <2
Sulphates mg/l <100
Hydrogen carbonate mg/l <300
Hydrogen carbonate / sulphates mg/l >1.0
Sulphide mg/l <1
Nitrate mg/l <100
Nitrite mg/l <0.1
Iron mg/l <0.2
Manganese mg/l <0.1
Free agressive carbonic acid mg/l <20
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