Water quality for general use

Drinking water, typically soft water
(install water treatment system if necessary)

Hardness for injection

German degrees of hardness (general hardness: GH)

[°dH]

4 - 7

French degrees of hardness

[TH]

7 - 13

English degrees of hardness

[°e]

5 - 9

International

[ppm]

70 - 125

Chemical

[mmol/l]

0.7 - 1.3

Hardness for condenser, cleaning

German degrees of hardness (general hardness: GH)

[°dH]

4 - 20

French degrees of hardness

[TH]

7 - 35

English degrees of hardness

[°e]

5 - 25

International

[ppm]

70 - 360

Chemical

[mmol/l]

0.7 - 3.6

Properties

Temperature

[°C]

max. 40

Electrical conductivity

[µS/cm]

min. 20

pH value

6.5 - 8.5

Cl^- (chloride)

[mg/l]

max. 60

Cl₂ (free chlorine)

[mg/l]

max. 0.2

SO₄^2- (sulphate)

[mg/l]

max. 150

Fe (iron)

[mg/l]

max. 0.1

SiO₂ (silicate)

[mg/l]

max. 13

NH₂Cl (monochloramine)

[mg/l]

max. 0.2

Carbonate hardness (KH)

[°dH]

Low GH

Water quality for general use

Drinking water

Hardness for injection

German degrees of hardness (general hardness: GH)

[°dH]

4 - 7

French degrees of hardness

[TH]

7 - 13

English degrees of hardness

[°e]

5 - 9

International

[ppm]

70 - 125

Chemical

[mmol/l]

0.7 - 1.3

Hardness for condenser, cleaning

German degrees of hardness (general hardness: GH)

[°dH]

4 - 20

French degrees of hardness

[TH]

7 - 35

English degrees of hardness

[°e]

5 - 25

International

[ppm]

70 - 360

Chemical

[mmol/l]

0.7 - 3.6

Properties

Temperature

[°C]

max. 40

Electrical conductivity

[µS/cm]

min. 20

pH value

6.5 - 8.5

Cl^- (chloride)

[mg/l]

max. 60

Cl₂ (free chlorine)

[mg/l]

max. 0.2

SO₄^2- (sulphate)

[mg/l]

max. 150

Fe (iron)

[mg/l]

max. 0.1

SiO₂ (silicate)

[mg/l]

max. 13

NH₂Cl (monochloramine)

[mg/l]

max. 0.2

Carbonate hardness (KH)

[°dH]

Low GH