2.3
Symbols used
Danger - hot surfaces!
Danger - corrosive materials!
GEMÜ 617: Danger - bodily injury!
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 flows through the valve.
617, 677
4
Intended area of use
The GEMÜ 617 / 677 valve is designed
for installation in piping systems. It
controls a fl owing medium by manual
operation.
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 valve!
Use the valve only for the intended
purpose!
® Otherwise the manufacturer liability and
guarantee will be void.
Use the valve only in accordance with
G
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 valve is supplied as a separately
packed component.
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WARNING