Endress+Hauser Levelflex FMP54 - Special Mounting Conditions

Levelflex FMP51, FMP52, FMP54 FOUNDATION Fieldbus Mounting
Endress+Hauser 37
6.1.7 Special mounting conditions
Bypasses and stilling wells
In bypass and stilling well applications it is recommended to use a centering disks or
stars.
A B
³100
(3.94)
øD
ød
ød
1
2
2
3
C
³100
(3.94)
4
A0012615
 6 Dimensions: mm (in)
A Mounting in a stilling well
B Mounting in a bypass
C Center washer or centering star
1 Metallic center washer (316L) for level measurement
2 Fixing screw; torque: 25 Nm ± 5 Nm
3 Non-metallic centering star (PEEK, PFA) for interface measurement
4 Minimum distance between end of probe and lower edge of the bypass; see table below
Allocation of probe type and center washer or centering star to pipe diameter
Feature 610 - Accessory mounted
Application Option Type of probe
Center washer
Centering star
Pipe
 d [mm (in)] Material  D [mm (in)]
Level measurement OA Rod probe 75 (2,95) 316L DN80/3" to DN100/4"
OB Rod probe 45 (1,77) 316L DN50/2" to DN65/2½"
OC Rope probe 75 (2,95) 316L DN80/3" to DN100/4"
Interface measurement OD Rod probe 48...95 (1,89...3,74) PEEK ≥ 50 mm (2")
OE Rod probe 37 (1,46) PFA ≥ 40 mm (1.57")
Minimum distance between end of probe and lower edge of the bypass
Type of probe Minimum distance
Rope 10 mm (0.4 in)
Rod 10 mm (0.4 in)
Coax 10 mm (0.4 in)