HG1
8 Decommissioning and disposal
CAUTION
Pipelines are under pressure
a) Before removing the valve make sure that the pipe section is depressurised and evacuated.
ð
In case of toxic, caustic and other outgasing media the pipe section must also be ventilated.
WARNING
Hazardous media
Work on parts in contact with hazardous media may only be carried out with appropriate protective
equipment.
8.1 Decommissioning
In order to enable safe maintenance or removal of the valve, at least all safety precautions listed here must be
taken:
>
Before removing the high performance butterfly valve make sure that the pipe section is depressurised and
evacuated.
>
In case of toxic, caustic and other outgasing media the pipe section must also be ventilated.
>
Actuators either have to be dismounted before the valve is removed or they have to be secured against un-
authorized or unintentional operation.
Since the operator of the valve is responsible for a safety rating, it is important to observe and comply with all
local and company-standard safety precautions.
21 / 26
Version 0 • Dokument-Nr. 74572811
Internet: www.gefa.com • E-Mail: [email protected]
