IM-P736-02 EMM Issue 3
24
VLM30 In-Line Vortex Flowmeter
Fig. 10 Insulation of the meter tube
The piping can be insulated up to a thickness of 100 mm (4").
Use of trace heating
Trace heating may be used under the following conditions:
-
If it is installed directly on or around the piping.
-
If, in the case of existing pipeline insulation, it is installed inside the insulation (the maximum thickness
of 100 mm [4"] must not be exceeded).
-
If the maximum temperature the trace heating is able to produce is less than or equal to the maximum
medium temperature.
Note: Installation requirements in accordance with EN 60079-14 must be observed. Please note that the
use of trace heaters will not impair EMC protection or generate additional vibrations.
3.6 Sensor Insulation
Insulation
< 100 mm (4")
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