ABS Provides, Operating Instructions Manual, Page: 21 / 32

EN
21
RECOMMENDATION FOR THE SUSTAINABILITY OF COPPER AND CuNi TUBES WITHIN WATER
CONTENT SUBSTANCES
CONCENTRATION
[-] o [mg/l]
COPPER CuNi
pH-Value
< 6
6 - 8
> 8 0
+
+ +
+
+
Chloride (CI-)
< 10
10 - 100
100 - 1000
> 1000 +
+
+
0 +
+
+
+
Sulphate
< 50
50 -200
> 200 +
0
- +
+
+
Nitrates < 100 + +
Free & aggressive Carbonic Acid
< 5
5 - 20
> 20 +
0
- +
+
0
Oxygen
< 1
1 - 8
> 8 +
+
0 +
+
+
Ammonium
< 2
2 - 20
> 20 +
0
- +
0
-
Ferric und Manganese > 1 0 +
Sulfides - -
Free Chlorine < 5 + +
deposable Substances 0 0
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