Micropilot FMR53, FMR54
Endress+Hauser 39
A0042709
A Horn antenna: antenna length + 50 mm (2 in); min. 200 mm (7.87 in)
A Planar antenna: 1 m (3.28 ft)
C 150 to 300 mm (5.91 to 11.8 in); (water-based medium up to ε
r
= 2)
H > 1.5 m (4.92 ft)
Mounting cladded flanges
Note the following for cladded flanges:
• Use the same number of flange screws as the number of flange bores provided.
• Tighten the screws with the necessary torque (see Table).
• Retighten after 24 hours or after the first temperature cycle.
• Depending on the process pressure and temperature, check and retighten the screws, where
necessary, at regular intervals.
The PTFE flange cladding normally acts simultaneously as a seal between the nozzle and the
device flange.
Flange size Number of screws Tightening torque
EN
DN50/PN16 4 45 to 65 Nm
DN80/PN16 8 40 to 55 Nm
DN80/PN40 8 999 to 999 Nm
DN100/PN16 8 40 to 60 Nm
DN150/PN16 8 75 to 115 Nm
ASME
2"/150lbs 4 40 to 55 Nm
3"/150lbs 4 65 to 95 Nm
3"/300lbs 8 40 to 55 Nm
4"/150lbs 8 45 to 70 Nm
4"/300lbs 8 55 to 80 Nm
6"/150lbs 8 85 to 125 Nm
6"/300lbs 12 999 to 999 Nm
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