Samson 2439, Mounting And Operating Instructions

Page: 34 / 40

34 EB 2185 EN
Decommissioning and removal
8 Decommissioning and
removal
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equip
-
ment. Improper opening can lead to bursting
of the valve.
− Before starting any work on the valve, de -
pressurize all plant sections concerned as
well as the valve.
− Drain the process medium from all the
plant sections concerned as well as the
valve.
− Wear personal protective equipment.
Risk of burn injuries due to hot or cold com -
ponents and pipeline.
Valve components and the pipeline may be -
come very hot or cold. Risk of burn injuries.
− Allow components and pipelines to cool
down or heat up.
− Wear protective clothing and safety gloves.
DANGER !
WARNING !
8.1 Decommissioning
To decommission the safety temperature lim-
iter before removing it, proceed as follows:
Steps 1 to 6 only apply when the thermow-
ell is also removed.
1. Close the shut-off valve on the upstream
side of the valve.
2. Close the shut-off valve on the down-
stream side of the valve.
3. Completely drain the pipelines and
valve.
4. Depressurize the plant.
5. If necessary, allow the pipeline and de-
vice to cool down or heat up.
6. Remove the thermowell from the pipeline
and, if necessary, seal the opening.
7. Pull the sensor out of the thermowell.
8. Remove the safety temperature limiter
from the valve.
8.2 Disposal
Î
Observe local, national and internation-
al refuse regulations.
Î
Do not dispose of components, lubricants
and hazardous substances together with
your household waste.