Samson 3321CT, Монтаж и эксплуатация

Страница: 53 / 80

EB 8115 EN 11-1
Removal
11 Removal
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
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.
Î
Allow components and pipelines to cool
down or warm up to the ambient tem
-
perature.
Î
Wear protective clothing and safety
gloves.
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.
Risk of personal injury due to preloaded
springs.
Actuators with preloaded springs are under
tension.
Î
Before starting any work on the actuator,
relieve the compression from the pre-
loaded springs.
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).
WARNING !
WARNING ! WARNING !
WARNING !