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ALFA LAVAL UNIQUE MIXPROOF TANK OUTLET VALVE INSTRUCTION MANUAL—REV 8/21
4 Operation
The valve is designed for cleaning in place (= CIP).
Study the instructions carefully and pay special attention to the warnings!
NaOH = Caustic Soda. HNO
3
= Nitric acid.
Internal leakage in the valve is externally visible by means of the leakage outlet.
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 sterilizing.
B
Buurrnniinngg ddaannggeerr!!
S
Stteepp 33
- Never throttle the leakage outlet
- Never throttle the CIP outlet, if supplied.
Risk of mixing due to overpressure).
A. = Leakage/CIP out
B. = CIP out
C. = CIP in
TD 449-247_1
A
TD 449-251_1
B
C
S
Stteepp 44
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 lb)
NaOH
+ 100 l (26.4 gal)
water
= Cleaning agent.
0.7 l
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.
16
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