Installation And Operation; Installation Of The Butterfly Valve - GEM 423 Installation, Operating And Maintenance Instructions

11

Installation and operation

DANGER
Danger - bodily injury!
® Danger of severe injury!
Depressurize the plant
G
before performing any work
on the butterfl y valve.
WARNING
Electric shock by
dangerous voltage!
® Risk of severe injury or
death!
Adjustments are made
G
with the actuator cover
removed and while the unit
is connected to the power
supply. Electric shock can
cause severe burns and
fatal injury. Therefore, refer
all adjustments to qualifi ed
electricians.
Prior to installation:
Ensure that butterfl y valve body and seal
G
material are appropriate and compatible
to handle the working medium.
See chapter 6 "Technical data".
11.1 Installation of the butterfly
valve
The equipment is subject to pressure!
® Risk of severe injury or death!
Only work on depressurized plant.
G
Corrosive chemicals!
® Risk of caustic burns!
Wear appropriate protective
G
gear when installing.
Hot plant components!
® Risk of burns!
Only work on plant that has
G
cooled down.
Never use the butterfl y valve as a step
or an aid for climbing.
® This entails the risk of slipping-off or
damaging the butterfl y 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
specifi ed in plant operator's guidelines.
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WARNING
WARNING
CAUTION
CAUTION
CAUTION
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