6-2 EB 8222-1 EN
Start-up
Start-up/putting the device back into oper-
ation
1. Allow the valve to cool down or warm up
to reach ambient temperature before
start-up when the ambient temperature
and process medium temperature differ
greatly or the medium properties require
such a measure.
2. Slowly open the shut-off valves in the
pipeline. Slowly opening these valves
prevents a sudden surge in pressure and
high ow velocities which can damage
the valve.
3. Check the valve to ensure it functions
properly.
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