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Important:
Diaphragms degrade in the course
of time. After valve installation
and commissioning make sure to
tighten the nuts
20
(see chapter
20 "Sectional drawing and spare
parts").
Important:
Service and maintenance:
Dependent on the operating
conditions, regrease the threaded
spindle. GEMÜ recommends the
grease "TUNGREASE DAB" from
TUNAP.
14 Inspection and servicing
WARNING
The equipment is subject to pressure!
®
Risk of severe injury or death!
G
Only work on depressurized plant.
CAUTION
Hot plant components!
®
Risk of burns!
G
Only work on plant that has
cooled down.
CAUTION
G
Servicing and maintenance work may
only be performed by trained personnel.
G
GEMÜ shall assume no liability
whatsoever for damages caused
by improper handling or third-party
actions.
G
In case of doubt, contact GEMÜ before
commissioning.
1. Use appropriate protective gear as
speci
fi
ed in plant operator's guidelines.
2. Shut o
ff
plant or plant component.
3. Secure against recommissioning.
4. Depressurize the plant or plant
component.
The operator must carry out regular visual
examination of the valves dependent on
the operating conditions and the potential
danger in order to prevent leakage
and damage. The valve also has to be
disassembled in the corresponding intervals
and checked for wear (see chapter 12
"Assembly / Disassembly of spare parts").
15 Disassembly
Disassembly is performed observing
the same precautionary measures as for
installation.
G
Disassemble the valve (see chapter 12.1
"Valve disassembly (removing bonnet
from body)").
16 Disposal
G
All valve parts must be
disposed of according to
relevant local or national
disposal regulations /
environmental protection
laws.
G
Pay attention to adhered
residual material and gas
di
ff
usion from penetrated
media.
17 Returns
G
Clean the valve.
G
Request a goods return declaration form
from GEMÜ.
G
Returns must be made with a completed
declaration of return.
If not completed, GEMÜ cannot process
credits or
repair work
but will dispose of the goods at the
operator's expense.
Содержание 643 Series
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