Removal; Removing The Valve From The Pipeline - Samson 3354 Mounting And Operating Instructions

11 Removal

The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
WARNING
!
Risk of burn injuries due to hot or cold
components and pipeline.
Valve components and the pipeline may be-
come 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.
WARNING WARNING
! !
Risk of personal injury due to residual pro-
cess medium in the valve.
While working on the valve, residual me-
dium can flow out of the valve and, depend-
ing on its properties, cause personal injury,
e.g. (chemical) burns.
Î Wear protective clothing, safety gloves,
respiratory protection and eye protec-
tion.
EB 8140 EN
WARNING
!
Risk of personal injury due to preloaded
springs.
Control valves fitted with preloaded springs
are under tension.
Î Only open the valve body/actuator fol-
lowing the instructions in this document
(see the 'Servicing' section > 'Replacing
the gaskets' or 'Replacing the packing').
Before removing the valve, make sure the fol-
lowing conditions are met:
− The control valve is put out of operation
(see the 'Decommissioning' section).
11.1 Removing the valve from
the pipeline
1. Support the valve to hold it in place
when separated from the pipeline (see
the 'Shipment and on-site transport' sec-
tion).
2. Unbolt the flanged joint.
3. Remove the valve from the pipeline (see
the 'Shipment and on-site transport' sec-
tion).
Removal
11-1