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.
Sterilization before production*
No seat lift
2321-0080
A
B
C
A. From UHT plant.
Water 135
°
C
B. Steam inlet 3 bar
C. To sterile tank
steam 3 bar
Sterilization before production subsequence*
Seat lift upper
2321-0081
A
B
C
A. From UHT plant.
Water 135
°
C
B. Steam inlet 3 bar
C. To sterile tank
steam 3 bar
* = Always ensure that the drain plug is the last to close, to prevent a pressure build-up between the valve seats.
21