WATER QUALITY - WASHER DISINFECTORS
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The material that the washer disinfector is made of
The chemicals used in the process
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Hardness High hardness will cause limescale deposits in the washer disinfector, leading to
poor cleaning results.
Ionic contaminants A high concentration of ionic contaminants may cause corrosion and pitting on
stainless steel.
Heavy metals such as iron, manganese or copper cause instruments to tarnish.
Microbial contaminants Water used should not increase the biological load on the equipment treated
against microorganisms and their residual products which may cause fever-like
symptoms when they get into the human body.
Sanitary chemicals High concentrations of and high exposure to sanitary chemicals may cause
corrosion and pitting on stainless steel.
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pH 5.5 to 8
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water.
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