Samson 3321CT, Mounting And Operating Instructions

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10-2 EB 8115 EN
Decommissioning
To decommission the control valve for service
work or to remove it from the pipeline, pro
-
ceed as follows:
1.
Close the shut-off valves upstream and
downstream of the control valve to stop
the process medium from flowing
through the valve.
2. Completely drain the pipelines and
valve.
3. Disconnect and lock the pneumatic air
supply to depressurize the actuator.
4. Release any stored energy.
5. If necessary, allow the pipeline and valve
components to cool down or warm up to
the ambient temperature.