GEM 643 Series, Инструкция по установке, эксплуатации и обслуживанию

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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 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 protective
gear when installing.
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.
Direction of the working medium:
optional
Mounting position of the valve:
With shaft extension by user:
See also chapter 11.3 "Shaft extension".
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