514
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6 Commissioning
Plant operators must:
- Check the technical condition and function
of the GEMÜ valve before commissioning
and during the whole term of use
- Check the tightness of the media
connections and of the GEMÜ valve
- Carry out checks regularly and determine
the check intervals in accordance with the
conditions of use and/or the regulatory
codes and provisions applicable for this
application
6.1 Connecting the control air
Threading for the control air connections G 1/4.
IMPORTANT
Assemble the control air lines tension-
free and without any bends or knots!
Use appropriate connectors according
to the application.
Control function
Connections
1
Spring force closed
(normally closed)
V and R:
see Construction and function
(for connections V and R refer to sectional drawing
and spare parts)
IMPORTANT
Check the valve's tightness and function
before any cleaning process! When
cleaning the piping system the plant
operator is responsible for the selection
of the cleaning media and carrying out the
process.
ATTENTION
If the plant is new and after repairs,
wash out the piping system with the
valves fully open in order to remove any
harmful foreign matter.
7 Inspection
The operator must carry out regular visual
examination of the valves dependent on the
operating conditions in order to prevent
leakage and damage.
8 Servicing
- If carrying out servicing work, check the
valve for corrosion and wear and tear and
replace it as necessary (ideally replace only
the complete valve).
- When repairing and replacing parts, only
use appropriate tools, even in emergencies.
- Do not mount or exchange parts that are
clearly damaged
- Mount the spare parts according to the
enclosed disassembly / assembly
instructions - refer to the sectional drawing
and chapter 11, spare parts for the
available spare parts
IMPORTANT
The manufacturer's warranty, guarantee
and liability are only valid if genuine
GEMÜ spare parts are used. When
ordering spare parts, always state the
complete order number of the valve.
IMPORTANT
Connection and adjustments may only
be carried out by authorised specialist
staff. The manufacturer shall assume
no liability whatsoever for damages
caused by improper handling or third-
party actions. In case of doubt, contact
us before commissioning.
Daily
Perform an external check of the valve for tightness
and damage.
Depending on the operating conditions
Disassemble the valve (see chapter 10 "Assembly /
Disassembly"). Check the complete valve for wear.
IMPORTANT
Inspection and servicing:
Seals degrade in the course of time.
After valve assembly / disassembly
check that the bolts and nuts on the
body are tight and re-tighten as
necessary.
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