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Internal flow sanitizers: active ingredientsInternal flow sanitizers: active ingredients SuppliersSuppliers DilutionDilution
Quaternary ammonium: Benzalkonium chloride (between 0.25–0.5%)
Poly (hexamethylene biguanide) hydrochloride (between 0.1–0.25%)
Consult our local
technical service
Ready to use
Sodium Hypochlorite (2.6% active chloride) N/A 250 ppm
hydrogen peroxide (6%) Consult our local
technical support
Ready to use
Isopropyl alcohol (N°CAS 67-63-0 10%)
Didecyldimethylammonium chloride (N°CAS 7173-51-5: 0.15936%)
Consult our local
technical support
Ready to use
Note: Sanitizers containing acetic acid at 0.1% or higher should not be used for
internal flow sanitization because of chemical incompatibility.
4.3 Filtration head
cleaning
Remove the filtration heads and clean
them using a wipe moistened with a
surface sanitizer listed in the cleaning &
maintenance section, then put them back
in place.
4.4 Pump surface cleaning
Clean the exterior of the pump, the tubing
and the cable using a wipe moistened a
surface sanitizer listed in the cleaning &
maintenance section.
4.5 Pump rinsing
If samples other than water have been
processed, filter 300 mL of purified water at
the end of each day. This is recommended
to ensure the functionality of internal parts.
Use either EZ-Fit
®
Filtration Unit or
the internal flow sanitization kit with a
sanitization funnel assembly to perform
the rinsing.
4.6 Filtration head external
gasket cleaning
• If testing non-water samples, remove the
external gasket, then clean it including its
groove
Figure 19: External gasket removal
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