C67
11 Installation and operation
Prior to installation:
G
Ensure that valve body and diaphragm
material are appropriate and compatible
to handle the working medium.
G
Check the suitability prior to the
installation.
See chapter 6 "Technical data".
11.1 Installing the
diaphragm valve
WARNING
The equipment is subject to pressure!
®
Risk of severe injury or death!
G
Only work on depressurized plant.
WARNING
Corrosive chemicals!
®
Risk of caustic burns!
G
Wear appropriate personal
protective gear when
installing.
G
Flush and rinse contaminated
installations as necessary.
CAUTION
Hot plant components!
®
Risk of burns!
G
Only work on plant that has
cooled down.
CAUTION
Never use the valve as a step or an aid
for climbing!
®
This entails the risk of slipping-o
ff
or
damaging the valve.
CAUTION
Do not exceed the maximum
permissible pressure!
®
Take precautionary measures to
avoid possible pressure surges
(water hammer).
G
Installation work must only be performed
by trained personnel.
G
Use appropriate protective gear as
speci
fi
ed in plant operator's guidelines.
Installation location:
CAUTION
G
Do not apply external force to the valve.
G
Choose the installation location so that
the valve cannot be used as a foothold
(climbing aid).
G
Lay the pipeline so that the valve body
is protected against transverse and
bending forces, and also vibrations and
tension.
G
Only mount the valve between
matching aligned pipes.
Direction of the working medium:
optional.
Mounting position of the diaphragm valve:
optional.
Installation:
1. Ensure the suitability of the valve for
each respective use. The valve must
be appropriate for the piping system
operating conditions (medium, medium
concentration, temperature and
pressure) and the prevailing ambient
conditions. Check the technical data of
the valve and the materials.
2. Shut o
ff
plant or plant component.
3. Secure against recommissioning.
4. Depressurize the plant or plant
component.
5. Completely drain the plant (or plant
component) and let it cool down until
the temperature is below the media
vaporization temperature and scalding
can be ruled out.
6. Correctly decontaminate, rinse and
ventilate the plant or plant component.
7. Mounting via
fl
exible slots in valve base.
CAUTION
Fix the valve with suitable media
resistant plastic bolts
(
not included in
the scope of delivery
)
!
®
Corrosion and contamination when
using metal bolts!
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