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653, 654
8 Manufacturer’s
information
8.1 Transport
G
Only transport the diaphragm valve by
suitable means. Do not drop. Handle
carefully.
G
Dispose of packing material according
to relevant local or national disposal
regulations / environmental protection
laws.
8.2 Delivery and performance
G
Check that all parts are present and
check for any damage immediately upon
receipt.
G
The scope of delivery is apparent from
the dispatch documents and the design
from the order number.
G
The performance of the diaphragm valve
is checked at the factory.
8.3 Storage
G
Store the diaphragm valve free from dust
and moisture in its original packaging.
G
Avoid UV rays and direct sunlight.
G
Store the diaphragm valve in "open"
position.
G
Maximum storage temperature: 40 °C.
G
Solvents, chemicals, acids, fuels or
similar fluids must not be stored in the
same room as valves and their spare
parts.
8.4 Tools
required
G
The tools required for installation and
assembly are
not
included in the scope
of delivery. Only the setting tool for the
stroke limiter of GEMÜ 654 diaphragm
size 80 + 100 is included (see page 14).
G
Use appropriate, functional and safe
tools.
9 Functional
description
The metal diaphragm valve is equipped
with a stainless steel bonnet. GEMÜ 653
has a handwheel in high temperature and
chemically resistant plastic, GEMÜ 654 a
stainless steel handwheel. The handwheels
for diaphragm size 8 are rising, those for
diaphragm sizes 10-100 are non-rising. An
optical position indicator is standard. Two
bonnet versions are available: for 2/2-way
bodies and for T bodies or multi-port bodies.
The valve body and the diaphragm are
available in various designs as shown in
the data sheet. The diaphragm valve can
be continuously opened or closed. Various
special versions are described in these
installation, operating and maintenance
instructions.
10 Construction
!
Optical position
indicator
Handwheel
Diaphragm size 8
!
Optical position
indicator
Handwheel
Diaphragm size 10-100
Construction
1
Valve body
2
Diaphragm
A
Bonnet
