4Operation
Study the instructions carefully and pay special attention to the warnings!
Ensure that the valve operates smoothly. The items refer to the parts list and service kits section.
NO = Normally open. NC = Normally closed. A/A = Air/air activated.
4.1 Operation
Step 1
- Always read the technical data thoroughly (see chapter 6 Technical data)
- Always release compressed air after use.
CAUTION!
Alfa Laval cannot be held responsible for incorrect operation.
Step 2
Never touch the valve or the pipelines when processing hot liquids
or when sterilizing.
Burn hazard!
Step 3
Never touch the clip assembly or the actuator piston rod if the
actuator is supplied with compressed air.
Air (NO)
Moving parts!
Air (NC/AA)
Step 4
Lubrication of valve:
1. Ensure smooth movement between lip seal (14) and plug stem
(19, 20).
2. Lubricate the lip seal with silicone oil/grease if necessary.
Shut-off valve Change-over valve
Lubricate if necessary!
(see section 5.1 General maintenance)
13
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