Periodic Testing - Samson 3522 Mounting And Operating Instructions

− Only use original spare parts by
SAMSON, which comply with the original
specifications.

9.1 Periodic testing

Depending on the operating conditions,
check the valve at certain intervals to prevent
possible failure before it can occur. Plant op-
erators are responsible for drawing up an
inspection and test plan.
We recommend the following inspection and testing which can be performed while the pro-
cess is running:
Inspection and testing
Check the markings, labels and name-
plates on the valve for their readability
and completeness.
Check the pipe connections and gaskets
on the valve and actuator for leakage.
Check the valve's seat leakage.
Check the valve for external damage
(e.g. corrosion).
Check the valve accessories to ensure
they are mounted properly.
EB 8822 EN
Tip
Our after-sales service can support you in
drawing up an inspection and test plan for
your plant.
Action to be taken in the event of a negative result:
Immediately renew damaged, missing or incorrect name-
plates or labels.
Clean any inscriptions that are covered with dirt and are il-
legible.
Check the flange/screw joint (tightening torque).
Renew the gasket at the flange or screw joint.
Replace the body gasket on the bonnet (see section 9.4.1).
Replace the packing (see section 9.4.2)
Shut off the section of the pipeline and flush the valve to re-
move any dirt and/or deposited foreign particles between
the seat and plug.
Repair any damage immediately. If necessary, put the con-
trol valve out of operation (see section 10).
Tighten the connections of the valve accessories.
Servicing
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