Commissioning; Inspection And Servicing; Disassembly; Disposal - GEM 411 Installation, Operating And Maintenance Instructions

13

Commissioning

WARNING
Corrosive chemicals!
® Risk of caustic burns!
Check the tightness of the
G
media connections prior to
commissioning!
Use only the appropriate
G
protective gear when
performing the tightness
check.
CAUTION
Protect against leakage!
Provide precautionary measures
G
against exceeding the maximum
permitted pressures caused by
pressure surges (water hammer).
Prior to cleaning or commissioning the
plant:
Check the tightness and the function of
G
the butterfl y valve (close and reopen the
butterfl y valve).
If the plant is new and after repairs rinse
G
the piping system with a fully opened
butterfl y valve (to remove any harmful
foreign matter).
Cleaning:
The plant operator is responsible for

selecting the cleaning material and
performing the procedure.
14

Inspection and servicing

WARNING
The equipment is subject to pressure!
® Risk of severe injury or death!
Only work on depressurized plant.
G
CAUTION
Hot plant components!
® Risk of burns!
Only work on plant that has
G
cooled down.
411
Servicing and maintenance work
G
may only be performed by trained
personnel.
Use appropriate protective gear as
G
specifi ed in plant operator's guidelines.
Shut off plant or plant component.
G
Secure against recommissioning.
G
Depressurize the plant or plant
G
component.
The operator must carry out regular
visual examination of the butterfl y valves
dependent on the operating conditions
and the potential danger in order to
prevent leakage and damage. The butterfl y
valve also has to be disassembled in
corresponding intervals and checked for
wear.
Use only genuine GEMÜ spare
G
parts!
When ordering spare parts,
G
specify the complete order
number of the butterfl y valve.
15

Disassembly

Disassembly is performed observing
the same precautionary measures as for
installation.
Disassemble the butterfl y valve
G
(see chapter 12.1 "Butterfl y valve
disassembly (removing bonnet from
body)").
16

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!
22 / 28
CAUTION