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Installation
WARNING
!
Risk of burn injuries due to hot or very cold
components and pipelines.
Depending on the process medium, the regu-
lator and pipelines may get very hot or cold
and cause burn injuries.
Î Wear protective clothing and safety
gloves.
SAMSON regulators are delivered ready for
use. To test the regulator functioning before
start-up or putting back the regulator into
operation, perform the following tests:
5.4.1
Leak test
The plant operator is responsible for per-
forming the leak test and selecting the test
method. The leak test must comply with the
requirements of the national and internation-
al standards that apply at the site of installa-
tion.
Tip
SAMSON's After-sales Service can support
you to plan and perform a leak test for your
plant.
1. Slowly open the shut-off valve installed
upstream of the regulator.
2. Apply the required test pressure.
3. Check the regulator for leakage to the at-
mosphere.
4. Depressurize the pipeline section and
regulator.
5-6
5. Rework any parts that leak and repeat
the leak test.
5.4.2
Pressure test
Note
The plant operator is responsible for
performing the pressure test. SAMSON's
After-sales Service can support you to plan
and perform a pressure test for your plant.
NOTICE
!
Risk of regulator damage due to a sudden
pressure increase and resulting high flow
velocities.
Î Slowly open the shut-off valves.
During the pressure test, make sure the fol-
lowing conditions are met:
Î Do not allow the pressure to exceed the
1.5 times the pressure rating of the regu-
lator body.
Î The regulator must remain open.
Î Make sure that the pressure rises simulta-
neously upstream and downstream of the
regulator to avoid damaging the plug.
EB 2557 EN
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