24
Ausgabe
issue
A / 19.07.2011
Dokument
document
OM.RCS.01e
Blatt
sheet
4 (5)
7
Maintenance
7.4.6.1 Cleaning recommendations for CIP
• Flush the pump thoroughly before commissioning it for the first time.
• Clean the pump so that it conforms to the required hygiene regulations.
• Perform customer installation according to the figure in chapter 7.4.6.
• Install the pump so that it can be cleaned residue-free at the application location.
• Flushing processes must be carried out at a sufficient flow speed. Recommended flow
speed is at least 1.5 m/s.
• During the individual flushing processes, operate the pump for max. 5 min using a low ro-
tation speed. Then convey the cleaning agent through the bypass line while the pump is
switched off.
• Use a suitable cleaning agent.
7.4.6.2 Recommended cleaning process
NOTICE
Operating the pump for a longer period (> 5 min./flushing process) during the cleaning
process
Damage to property can occur.
Operate the pump for max. 5 minutes using a low rotation speed.
Then convey the cleaning agent through the bypass line while the pump is switched off.
–
Observe figure in chapter 7.4.6.
Item Cleaning process
Cleaning agent
Remarks
1.
Preparation
Extensive draining of the pump before
the cleaning process, avoid dry running
2.
Pre-flushing
Fresh water
Removal of loose, adherent dirt compo-
nents
3.
Alkaline flushing
Sodium hydroxide
solution max. 1.5%
at 60-80°C
Removing and washing away adherent
contamination
4.
Intermediate flushing Fresh water
Flushing out cleaning agent and residual
dirt
5.
Acidic flushing
Nitric acid/peracetic
acid max 1% at 50-
70%
Disinfection; removing, washing away
adherent contamination
6.
Post-flushing
Fresh water
Flushing out residual cleaning agent
NOTICE
Application of other cleaning agents
Damage to property can occur.
Consult with seepex
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