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.
Standard CIP-UHT*
2321-0086
A
C
B
A. CIP of line from UHT plant (valve
open in order to create turbulence for
cleaning leakage chamber)
B. Both leakage chamber valves closed
C. Sterile tank idle
Standard CIP-sterile tank*
2321-0087
A
B
C
A. UHT plant
Idle
B. CIP forward taken from CIP forward
to sterile tank
C. CIP return to CIP return sterile tank
* Always ensure that the drain plug is the last to close, to prevent a pressure build-up between the valve seats.
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