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3.2
Aluminium quick-change fitting with
Compac flange
The aluminium quick-change fitting accommodates the sensor unit and
enables maintenance without interrupting the flow, with reproducible
positioning of the measuring point.
The upper closure of the quick-change fitting is provided by a sealing
cone.
The Compac flange in the lower section forms the interface between the
quick-change fitting and the measuring station.
3.3
Compac welding neck flange (V flange)
steel
The connection between the measuring point interface and the pipe
system is made via the Compac welding neck flanges.
Note
An alternative to the welding neck flange (V flange) is to fit a Compac threaded
flange (G flange).
3.4
Dummy plug
The dummy plug is made of stainless steel and has a bright red plastic
protective cap to stop it unintentionally loosening.
It secures the measuring point interface while the sensor is uninstalled,
e.g. when changing the sensor for recalibration. For this purpose, it is
screwed onto the sealing cone (Fig. 1) when the line is
depressurized.
To avoid a mixed seam in the welded joint to the pipeline,
make sure that the Compac flanges are made of steel or
stainless steel according to the pipeline.
11
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