2.3
Symbols used
Danger - hot surfaces!
Danger - corrosive materials!
Danger - bodily injury!
Danger - high voltage!
Hand: indicates general information
and recommendations.
Bullet point: indicates the tasks to
G
be performed.
Arrow: indicates the response(s) to
®
tasks.
Enumeration sign
3
Definition of terms
Working medium
The medium that fl ows through the
diaphragm valve.
613, 618
4
Intended area of use
The GEMÜ 613 / 618 diaphragm valve
is designed for installation in piping
systems. It controls a fl owing medium by
being closed or opened by a motorized
actuator.
The valve may only be used providing
the product technical criteria are
complied with (see chapter 6
"Technical data").
Do not paint the bolts and plastic parts of
the diaphragm valve!
Use the diaphragm valve only for the
intended purpose!
Otherwise the manufacturer liability and
®
guarantee will be void.
Use the diaphragm valve only in
G
accordance with the operating
conditions specifi ed in the contract
documentation and in the installation,
operating and maintenance
instructions.
The diaphragm valve must not be used
G
in potentially explosive zones.
5
Condition as supplied to
customer
The GEMÜ diaphragm valve is supplied as a
separately packed component.
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WARNING