Cross-Contamination; Sound Pressure Level - ProMinent Sigma 1 Supplementary Operating Instructions

Pumps with hygienic pump head

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2.5 Cross-contamination

Cross-contamination generally refers to the direct or indirect

unwanted transfer of contamination to an object. When replacing

your feed chemical or pump components etc., make sure that there

is no, or could be no, hygienic risk to the process. If in doubt, clean

Ä Chapter 8 'Notes on cleaning metering pumps with

the pump,

hygienic pump head' on page 14 .

The sound pressure level of the dosing heads with the pump run‐

ning is < 80 dB (A) (ISO 11688-1 (11/2009)).

Safety chapter

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