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
Step 1
Always handle lye and acid with great care.
Caustic danger!
Always use
rubber gloves!
Always use
protective goggles!
Step 2
!
Never touch the valve or the pipelines when sterilising.
Burn hazard!
2321-0066
Step 3
Clean the plug and the seats correctly.
Pay special attention to the warnings.
Lift and lower valve plug momentarily!
Shut-off valve
Change-over valve
2321-0077
2321-0078
19