Levelflex M FMP41C with HART/4...20 mA Installation
Endress + Hauser 17
Type of probe mounting
• When installing in plastic tanks, the nozzle must have at least DN50/2". The appropriate flange
must be used as the process connection.
• For nozzles up to 450 mm high, select the length of the centering rod appropriate for the nozzle
height when using rope probes.
• Use spring washers (1) (see Figure below).
Note!
It is recommended to retighten the flange bolts periodically, depending on process temperature
and pressure. Recommended torque: 60...100 Nm.
• After mounting, the housing can be turned 350° in order to simplify access to the display and the
terminal compartment.
L00-FMP41Cxx-17-00-00-en-005
The coupling nut must be tightened using a torque of 5 up to a maximum of 10 Nm when installing
the FMP41C in the universal adapter ("Welding boss for adapter 43 mm" → ä 61).
Supporting probes against warping
For WHG or Ex approval:
For probe lengths ≥ 3 m a support is required (see figure).
L00-FMP4xxxx-17-00-00-en-065
1
£ 450 mm / 18 “
spring washers
Ø <25 mm
>50 mm
Probe rod c
(FMP 41 C)
oated
Short metal pipe
e.g. welded in place
Plastic sleeve
e.g. PTFE, PEEK or PPS
e.g. 3 mm
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