Levelflex FMP56, FMP57 PROFIBUS PA
Mounting
Hauser
13
NOTICE
Welding can damage the main electronics module.
‣
Before welding: Ground the probe rod and remove the electronics.
5.1.3
Shortening the probe
See Operating Instructions.
5.2
Mounting the device
5.2.1
Mounting devices with a threaded connection
A0012528
Screw the device with the threaded connection into a sleeve or flange and then secure it to the
process vessel via the sleeve/flange.
• When screwing into place, turn by the hex bolt only:
• Thread 3/4":
36 mm
• Thread 1-1/2":
55 mm
• Maximum permissible tightening torque:
• Thread 3/4": 45 Nm
• Thread 1-1/2": 450 Nm
• Recommended torque when using the supplied aramid fiber seal and a process
pressure of 40 bar (only FMP51, no seal is included with FMP54):
• Thread 3/4": 25 Nm
• Thread 1-1/2": 140 Nm
• When installing in metal vessels, ensure there is good metal contact between the
process connection and the vessel.
5.2.2
Mounting devices with a flange
If a seal is used to mount the device, use uncoated metal screws to ensure good electrical
contact between the process flange and the probe flange.
