Samson 44-4, Mounting And Operating Instructions

Page: 33 / 44

EB 2723 EN 33
Decommissioning and removal
9 Decommissioning and
removal
Risk of bursting in pressure equipment.
Regulators and pipelines are pressure equip-
ment. Improper opening can lead to bursting
of the regulator.
− Before starting any work on the regulator,
depressurize all plant sections concerned
as well as the regulator.
− Drain the process medium from all the
plant sections concerned as well as the
regulator.
− Wear personal protective equipment.
Risk of personal injury due to residual pro-
cess medium in the regulator.
While working on the regulator, residual
process medium can escape and, depending
on its properties, may lead to personal in-
jury, e.g. (chemical) burns.
Wear protective clothing, safety gloves and
eyewear.
Risk of burn injuries due to hot or cold com-
ponents and pipeline.
Regulator components and the pipeline may
become very hot or cold. Risk of burn inju-
ries.
− Allow components and pipelines to cool
down or heat up.
− Wear protective clothing and safety gloves.
DANGER !
WARNING !
WARNING !
9.1 Decommissioning
To decommission the regulator for service
and repair work or disassembly, proceed as
follows:
1. Close the shut-off valve on the upstream
side of the regulator.
2. Close the shut-off valve on the down-
stream side of the regulator.
3. Completely drain the pipelines and regu-
lator.
4. Depressurize the plant. Shut off or dis-
connect the control line, if installed.
5. If necessary, allow the pipeline and de-
vice to cool down or heat up.
6. Remove the regulator from the pipeline.
9.2 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.