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9
Construction
A
Construction
1
Valve body
2
Diaphragm
A
Bonnet
10 Installation and operation
Prior to installation:
Ensure that valve body and diaphragm
G
material are appropriate and compatible
to handle the working medium.
Check the suitability prior to the
G
installation.
See chapter 5 "Technical data".
10.1 Installing the valve
WARNING
The equipment is subject to pressure!
Risk of severe injury or death!
®
Only work on depressurized plant.
G
WARNING
Corrosive chemicals!
Risk of caustic burns!
®
Wear appropriate protective
G
gear when installing.
Handwheel
Optical
position
Never use the valve as a step or an aid
indicator
for climbing!
This entails the risk of slipping-off or
®
2
damaging the valve.
Do not exceed the maximum
permissible pressure!
Take precautionary measures to
®
avoid possible pressure surges
(water hammer).
Installation work must only be performed
G
by trained personnel.
Use appropriate protective gear as
G
specified in plant operator's guidelines.
Installation location:
Do not apply external force to the valve.
G
Choose the installation location so that
G
the valve cannot be used as a foothold
(climbing aid).
Lay the pipeline so that the valve body
G
is protected against transverse and
bending forces, and also vibrations and
tension.
Only mount the valve between
G
matching aligned pipes.
Direction of the working medium: optional.
Mounting position of the 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
23/32
CAUTION
Hot plant components!
Risk of burns!
®
Only work on plant that has
G
cooled down.
CAUTION
CAUTION
CAUTION
601, 602
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