14
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.
3.3 Recommended cleaning
Step 1
Burning danger!
3. Operation
Always
handle lye and acid with great care.
Step 2
Step 4
Never
touch the valve or the pipelines when sterilizing.
Step 5
Examples of cleaning agents:
Use clean water, free from clorides.
1. 1% by weight NaOH at 70
0
C
(158°F).
Step 3
Ensure that the valve is fully open to allow for maximum CIP
flow.
2. 0.5% by weight HNO
3
at 70
0
C
(158°F).
Step 6
1. Avoid excessive concentration of the cleaning agent
⇒
Dose gradually!
2. Adjust the cleaning flow to the process
⇒
Milk sterilization/viscous liquids
⇒
Increase the cleaning flow!
3.
Always
rinse well with clean water after the cleaning.
NOTE!
The cleaning agents must be stored/discharged in accordance with current rules/directives.
1 kg
(2.2 lb) + 100 l (26.4 gl)
NaOH
water
2.2 l
(0.6 gl) + 100 l (26.4 gl)
33%NaOH
water
= Cleaning agent.
= Cleaning agent.
0.7 l
(0.2 gl) + 100 l (26.4 gl)
53% HNO
3
water
= Cleaning agent.
Caustic danger!
Always
use
Always
use
rubber gloves!
protective goggles!
CPMI-2
No air pressure!
Fully open!
CIP in
CIPout
Fully open!
CIP in
CIPout
CPMO-2
Sufficient air
pressure!