4Operation
The pump is designed for cleaning in place (CIP). CIP = Cleaning In Place.
Study the instructions carefully and pay special attention to the warnings!
NaOH = Caustic Soda.
HNO
3
= Nitric acid.
4.3 Recommended cleaning
Step 1
Always handle lye and acid with great care.
Danger, caustic!
Always wear rubber
gloves!
Always wear protective
goggles!
Step 2
Never touch the pump or the pipelines when sterilizing.
Burning danger!
TD 252-015
Step 3
Examples of cleaning agents: Use clean water, free from
chlorides.
1. 1% by weight NaOH at 70°C (158°F).
1kg(2.2lb)
+
100 l (26.4 gal) = Cleaning agent.
NaOH
water
2.2 l (0.6 gal)
+
100 l (26.4 gal) = Cleaning agent
.
33%NaOH
water
2. 0.5% by weight HNO
3
at 70°C (158°F).
0.7 l (0.2 gal)
+
100 l (26.4 gal) = Cleaning agent.
53% HNO
3
water
Step 4
1. Avoid excessive concentration of the cleaning agent
⇒Dose gradually!
2. Adjust the cleaning flow to the process
Sterilising of milk/viscous liquids
⇒Increase the cleaning flow!
Step 5
Always rinse well with clean water after using a cleaning agent.
NOTE
The cleaning agents must be stored/disposed of in accordance
with current regulation
s/directives.
Always rinse!
Water
Cleaning agent
14
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