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600, 630
2.3 Symbols used
Danger - hot surfaces!
Danger - corrosive materials!
Hand: indicates general information
and recommendations.
G Bullet point: indicates the tasks to
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.
Control medium
The medium whose increasing or
decreasing pressure causes the valve to be
actuated and operated.
Control function
The possible actuation functions of the
diaphragm valve.
4 Intended area of use
The GEMÜ 600, 630 diaphragm valve
is designed for installation in piping
systems. It controls a fl owing medium
by being closed or opened by a control
medium.
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!
WARNING
Use the diaphragm valve only for the
intended purpose!
®
Otherwise the manufacturer liability and
guarantee will be void.
G
Use the diaphragm valve only in
accordance with the operating
conditions specifi ed in the contract
documentation and in the installation,
operating and maintenance
instructions.
5 Condition as supplied
to customer
The GEMÜ diaphragm valve is supplied as a
separately packed component.
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