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Cooling water quality

Cooling water quality depends on the type of heat exchanger or engine to be cooled. Very generally, it should have the following quality:

Suspended solids None
Conductivity 50-600 uS/cm
Hardness 8o dH max
pH 7.8
CO2 agressive None
Iron
Manganese
Sulfate
Chloride < 250 mg/L
COD < 40 mg/L
Bacteria < 1000 CFU/ml

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