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4 Operation
The valve is designed for Cleaning In Place (= CIP).
Read the instructions carefully and pay special attention to the warnings!
NaOH = Caustic Soda.
HNO
3
= Nitric acid.
4.3 Recommended cleaning
S
Stteepp 11
A
Allw
waayyss handle lye and acid with great care.
C
Caauussttiicc ddaannggeerr!!
A
Allw
waayyss use
rubber gloves!
A
Allw
waayyss use
protective goggles!
S
Stteepp 22
N
Neevveerr touch the valve or the pipelines when sterilising.
D
Daannggeerr ooff bbuurrnnss!!
TD 403-110
S
Stteepp 33
E
Exxaam
mpplleess ooff cclleeaanniinngg aaggeennttss::
Use clean water, free from chlorides.
1. 1% by weight NaOH at 70
o
C (158
o
F)
2. 0.5% by weight HNO
3
at 70
o
C (158
o
F)
1 kg (2.2 lbs)
NaOH
+ 100 l (26.4 gal)
water
= Cleaning agent.
0.7 l (0.2 gal)
53% HNO
3
+ 100 l (26.4 gal)
water
=
Cleaning agent.
2.2 l (0.6 gal)
33% NaOH
+ 100 l (26.4 gal)
water
= Cleaning agent.
S
Stteepp 44
1. Avoid excessive concentration of the cleaning agent.
⇒
Dose gradually
2. Adjust the cleaning flow to the process.
⇒
Sterilisation of milk/viscous liquids
⇒
Increase the cleaning flow
3. A
Allw
waayyss rinse well with clean water after the cleaning.
A
Allw
waayyss rriinnssee!!
Clean water Cleaning agents
S
Stteepp 55
N
NO
OTTE
E
The cleaning agents must be stored/disposed of in accordance with current regulations/directives.
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