Aquafilter
E9_Next_Ing_rev03 – 10/10/2018
75
E9 NEXT
APPENDIX 8
Quality of process water
With reference to standard EN 13060, the table below indicates the recommended limit values (maximum)
for contaminating agents, as well as the chemical-physical characteristics of the water used for condensate*
and inlet water.
* Condensate is produced by the steam that was formed by the empty chamber of the sterilizer.
Supply water
Condensate
Dry residue
<10 mg/l
<1 mg/l
Silicon oxide
≤
1 mg/l
≤
0.1 mg/l
Iron
≤
0.2 mg/l
≤
0.1 mg/l
Cadmium
≤
0.005 mg/l
≤
0.005 mg/l
Lead
≤
0.05 mg/l
≤
0.05 mg/l
Heavy metal residues
≤
0.1 mg/l
≤
0.1 mg/l
Chlorides
≤
2 mg/l
≤
0.1 mg/l
Phosphates
≤
0.5 mg/l
≤
0.1 mg/l
Conductivity at 20°C
≤
15 µS/cm
≤
3 µS/cm
pH
5-7
5-7
Appearance
colourless, clean,
sediment-free
colourless, clean,
sediment-free
Hardness
≤
0.02 mmol/l
≤
0.02 mmol/l
NOTE
. The use of water for generating steam containing contaminants at higher levels than those
shown in this table may considerably shorten the working life of a sterilizer and may invalidate the
maker’s guarantee.
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