Mounting Levelflex FMP51, FMP52, FMP54 FOUNDATION Fieldbus
28 Endress+Hauser
6.1.4 Notes on the process connection
Probes are mounted to the process connection with threaded connections or flanges. If
during this installation there is the danger that the probe end moves so much that it
touches the tank floor or cone at times, the probe must, if necessary, be shortened and
fixed down → 34.
Threaded connection
A0015121
5 Mounting with threaded connection; flush with the container ceiling
Seal
The thread as well as the type of seal comply to DIN 3852 Part 1, screwed plug form A.
They can be sealed with the following types of sealing rings:
• Thread G3/4": According to DIN 7603 with the dimensions 27 x 32 mm
• Thread G1-1/2": According to DIN 7603 with the dimensions 48 x 55 mm
Please use a sealing ring according to this standard in the form A, C or D and of a material
that is resistant to the application.
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