6
Avoid stressing the valve.
Pay special attention to:
- Vibrations.
- Thermal expansion of the tubes.
- Excessive welding.
- Overloading of the pipelines.
- Always read the technical data thoroughly
(see page 21).
- Always release compressed air after use.
CAUTION!
Alfa Laval cannot be held responsible for incorrect
installation.
1
3
5
4
2
6
Study the instructions carefully and pay special
attention to the warnings!
The valve has welding ends as standard but can also be
supplied with fittings.
NO = Normally open.
NC = Normally closed.
A/A = Air/air activated.
2. General installation
Never touch the clip assembly or the
actuator piston rod if the actuator is supplied
with compressed air.
Fittings:
Ensure that the connections are tight.
Moving parts!
Risk of
damage!
Air
Remember seal
rings!
Air
NO NC A/A
It is recommended to install the valve so that:
- The actuator is not turned downwards as the
valve will then not be drained.
- The flow is against the closing direction
to avoid water hammer.
Inlet
Avoid water
hammer!
Stop valve
Inlet
Change-over valve
Installation
Air
R1/8" (BSP)
Air
Air
Inlet
Air
Air connection:
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