Decommissioning - Samson 41-23 Mounting And Operating Instructions

10 Decommissioning

The work described in this section is only to
be performed by personnel qualified for the
assignment accordingly.
DANGER
!
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 compressed medium can cause seri-
ous injury or even death.
Before working on the regulator:
Î Depressurize all plant sections affected
and the regulator.
Î Disconnect the control line.
Î Drain the process medium from all the
plant sections affected as well as the
valve.
WARNING
!
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.
Î Allow components and pipelines to cool
down or heat up.
Î Wear protective clothing and safety
gloves.
EB 2512 EN
WARNING
!
Risk of personal injury due to pressurized
components and process medium escaping
under pressure.
Î Do not loosen the control line while the
valve is pressurized.
WARNING
!
Risk of hearing loss or deafness due to loud
noise.
Noise emission (e.g. cavitation or flashing)
may occur during operation caused by the
process medium and the operating condi-
tions.
Î Wear hearing protection when working
near the regulator.
WARNING WARNING
! !
Crush hazard arising from moving parts.
Î Do not insert hands or fingers between
the set point springs while the regulator
is in operation.
Î Do not insert hands or fingers between
the pillars and set point springs while the
regulator is in operation.
Î Do not insert hands or fingers between
the spring plate and crossbeam while the
regulator is in operation.
Î Before starting any work on the regula-
tor, depressurize plant sections as well as
the regulator.
Decommissioning
10-1