4 Operation
The valve 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.
NOTE
The cleaning agents must be stored/disposed off in accordance
with current regulations/directives.
Caustic danger!
Always use
rubber gloves!
Always use
protective goggles!
Step 2
Never touch the vacuum breaker or the pipelines when processing
hot liquids or when sterilising.
Burning danger!
2603-0004
Step 3
Examples of cleaning agents:
Use clean water, free from clorides.
1. 1% by weight NaOH at 158
o
F
1 kg NaOH
+ 100 l water
=
Cleaning agent.
+
=
Cleaning agent.
2.2 l
33% NaOH
100 l
water
2. 0.5% by weight HNO
3
at 158
o
F
+
=
Cleaning agent.
0.7 l
53% HNO
3
100 l
water
Step 4
1. Avoid excessive concentration of the cleaning agent.
2. Adjust the cleaning flow to the process.
3. Always rinse well with clean water after the cleaning.
Always rinse!
Clean water Cleaning agents
Step 5
NOTE
The cleaning agents must be stored/disposed off in accordance
with current regulations/directives.
14
