Samson series 43, Перевод оригинальной инструкции

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EB 2430 EN 10-1
Decommissioning
10 Decommissioning
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
Risk of bursting due to incorrect opening of
pressurized equipment or components.
Regulators and pipelines are pressure equip-
ment that may burst when handled incor-
rectly. Flying projectile fragments or the re-
lease of process medium under pressure can
cause serious injury or even death.
Before starting any work on the regulator
and control thermostat:
Î
Depressurize all plant sections concerned
and the regulator.
Î
Drain the process medium from all the
plant sections affected as well as the reg-
ulator.
Risk of burn injuries due to hot or cold com-
ponents and pipeline.
Control thermostat components and the pipe -
line may become very hot or cold. Risk of
burn injuries.
Î
Allow components and pipelines to cool
down or warm up to the ambient tem-
perature.
Î
Wear protective clothing and safety
gloves.
DANGER !
WARNING !
To decommission the control thermostat for
service work or before removing it, proceed
as follows:
1. Close the shut-off valve (1) installed on
the downstream and upstream side of the
sensor if a thermowell is not used.
2. Completely drain the pipelines and regu-
lator.
3. Depressurize the plant.
4. If necessary, allow the pipeline and con-
trol thermostat components to cool down
or warm up to the ambient temperature.