Page 15 of 85 Pages
3.11
Water quality
The distilled or mineral by two water systems: to the sterilizer shall be
according the table below. Tap water for the vacuum pump:
Hardness should not exceed 0.7:2 mmol/l S
Pressure should be in the range of 2
–
5. bar (30
–
70 psi)
Connection to the network by a ½
”onnectioDistilled or Mineral Free
Water:
Distilled or mineral free water for the steam generator.
Connect the distilled water inlet to a distilled or mineral free water supply
source by a ½" pipe.
Pressure should be in the range of 2
–
5. bar (30
–
70 psi)
3.11.1
Water for generating steam
The distilled or mineral
–
free water supplied to the autoclave
should have the physical characteristics and maximum
acceptable level of contaminants indicated in the table below:
Physical Characteristics and Maximum acceptable
contaminants levels in steam for sterlizers
(According to EN 285:2006).
Contaminants
in water
supplied
to generator
Contaminants
in condensate
at steam inlet
to sterilizer
Evaporate residue
≤ 10 mg/l
N/A
Silicate (SiO
2
≤ 1 mg/l
≤ 0.1 mg/l
Iron
≤ 0.2mg/l
≤ 0.1mg/l
Cadmium
≤ 0.005 mg/l
≤ 0.005 mg/l
Lead
≤ 0.05 mg/l
≤ 0.05 mg/l
Rest of heavy metals except iron,
cadmium, lead
≤ 0.1 mg/l
≤ 0.1 mg/l
Chloride (Cl)
≤ 2 mg/l
≤ 0.1 mg/l
Phosphate (P
2
O
5
)
≤ 0.5 mg/l
≤ 0.1 mg/l
Conductivity (at 25°C)
≤ 5 µs/cm
≤ 3 µs/cm
pH value (degree of acidity)
5 to 7.5
5 to 7
Hardness (Σ ions of alkaline earth)
≤ 0.02 mmol/l
≤ 0.02 mmol/l
Appearance
Colourless, clean, without sediments
Compliance with the above data should be tested in accordance with
acknowledged analytical methods, by an authorized laboratory.
Содержание 5050
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