Disassembly; Disposal; Returns; Information - GEM D450 Installation, Operating And Maintenance Instruction

Groove 1 transverse to piping

direction: Butterfl y valve
closed.
Groove 1 in piping direction:

Butterfl y valve open.
2. Pneumatic and motorized operator:
Position the operator and butterfl y
valve correctly to each other and put
the operator in the required rotational
direction.
3. Pneumatic and motorized operator: Move
the operator to its initial position.
4. Pneumatic and motorized operator:
Put the square or single keyway of the
butterfl y valve into the operator shaft.
5. Take care to align the positions of disc
and operator!
6. Tighten the operator with lock washer(s) /
spring washer(s) 3 and bolt(s) 2.
For tightening torques see table
in chapter 13.1 "Replacing the
operator".
® The operator is assembled.
7. Commissioning according to chapter 12
"Commissioning".
14

Disassembly

Disassembly is performed observing
the same precautionary measures as for
installation.
Disassemble the butterfl y valve (see
G
chapter 11.1 "Installing the butterfl y
valve").
15

Disposal

All butterfl y valve parts must
G
be disposed of according
to relevant local or national
disposal regulations /
environmental protection
laws.
Pay attention to adhered
G
residual material and gas
diff usion from penetrated
media!
16

Returns

Clean the butterfl y valve.
G
Request a goods return declaration form
G
from GEMÜ.
Returns must be made with a completed
G
declaration of return.
If not completed, GEMÜ cannot process
credits or

repair work

but will dispose of the goods at the
operator's expense.
Note for returns:
Legal regulations for the protection
of the environment and personnel
require that the completed and
signed goods return declaration
is included with the dispatch
documents. Returned goods can
be processed only when this
declaration is completed.
17

Information

Note on staff training:
Please contact us at the address
on the last page for staff training
information.
Should there be any doubts or
misunderstandings in the preceding text,
the German version of this document is the
authoritative document!
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