Servicing - Samson 3241-1-Gas Mounting And Operating Instructions

7 Servicing

The control valve is subject to normal wear,
especially at the seat, plug and packing. De‑
pending on the operating conditions, check
the valve at regular intervals to prevent pos‑
sible failure before it can occur.
Tip
SAMSON's After‑sales Service can support
you in drawing up an inspection and test
plan for your plant.
We recommend removing the valve from the
pipeline for service or repair work (see sec‑
tion 9.2).
DANGER
!
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equip‑
ment. Improper opening can lead to bursting
of the valve.
− Before starting any work on the control
valve, depressurize all plant sections af‑
fected as well as the valve.
− Drain the process medium from all the
plant sections affected as well as the valve.
− Wear personal protective equipment.
WARNING
!
Risk of personal injury due to residual pro‑
cess medium in the valve.
While working on the valve, residual process
medium can escape and, depending on its
EB 8020-1 EN
properties, may lead to personal injury, e.g.
(chemical) burns.
Wear protective clothing, safety gloves and
eye protection.
WARNING
!
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.
− Allow components and pipelines to cool
down or heat up.
− Wear protective clothing and safety gloves.
NOTICE
!
Risk of valve damage due to incorrect servic‑
ing or repair.
Service and repair work must be performed
by trained staff only.
NOTICE
!
Risk of valve damage due to excessively high
or low tightening torques.
Observe the specified torques on tightening
control valve components. Excessively tight‑
ened torques lead to parts wearing out
quicker. Parts that are too loose may cause
leakage.
Observe the specified tightening torques
(u AB 0100).
Servicing
37