Symbols Used; Defi Nition Of Terms; Limited Use; Delivery Condition - GEM 673 Installation, Operating And Maintenance Instructions

2.3

Symbols used

Danger - hot surfaces!
Danger - corrosive materials!
Danger - bodily injury!
Hand: indicates general notes and
+
recommendations.
Point: indicates the tasks to be
G
performed.
Arrow: indicates the response(s) to
®
tasks.
More detailed directions sign

3 Defi nition of terms
Working medium
The medium that fl ows through the diaphragm
valve.
673_us
4

Limited use

The GEMÜ 673 diaphragm 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").
To avoid malfunction which could

cause injury or damage, do not paint the
bolts and plastic parts of the diaphragm
valve!
Use the diaphragm valve only for the
intended purpose!
The diaphragm valve must not
®
be used in explosion-endangered
zones unless expressly approved in
the contract documentation. This can
cause death or serious personal injury
Further, 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.
5

Delivery condition

The GEMÜ diaphragm valve is supplied as a
separately packed component.
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WARNING