Endress+Hauser Micropilot FMR52 - Examples for the Construction of Stilling Wells

Micropilot FMR51, FMR52 FOUNDATION Fieldbus Installation
Endress+Hauser 31
6.5.2 Examples for the construction of stilling wells
100%
0%
100%
0%
A
B
A A
A-A
150…500
(5.91...19.7)
150…500
(5.91...19.7)
mm (in)
2
1
4
4
C
D
5
6
6
7
1
3
1 (0.04)≤
1 (0.04)≤
A0019009
A Micropilot FMR50/FMR51: Horn 40mm(1½")
B Micropilot FMR50/FMR51/FMR52/FMR54: Horn 80mm(3")
C Stilling well with slots
D Full bore ball valve
1 Marking for axial alignment
2 Threaded connection
3 e.g. welding neck flange DIN2633
4  hole max. 1/10  stilling well
5  hole max. 1/10  stilling well; single sided or drilled through
6 Inside of holes deburred
7 Diameter of opening of ball valve must always be equivalent to pipe diameter; avoid edges and constrictions.