D
ECOMMISSIONING AND DISPOSAL
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D-09-B-62825-EN-00
11 Decommissioning and disposal
11.1 Dismantle valve
Flange connections
During the following work, the individual
components hang freely and must be
secured against falling.
•
Loosen nuts on flange connections.
•
Removing bolts from flanges
•
Secure the seal between the flanges
against falling off
Fig.1
Fixed connections
Valves and gauges that are firmly connected to each other (e.g. welded connections) must be
separated from each other at the connection points. For this purpose, suitable tools must be
selected according to the application and environment.
Drain tubing
Fig.1
Figure 1:
•
Unscrew the pipework fitting from the drain valve.
•
Pull off pipework
Screw connections
Fig.1
Figure 1:
•
Unscrew the drain valve
