INSTALLATION
3
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OPTISWIRL 4200
www.krohne.com
02/2022 - 4003930810 - MA OPTISWIRL4200 R10 en
3.5 Minimum inlet sections
Figure 3-9: Minimum inlet sections
1
General inlet section without disturbing flow
15 DN
2
After a control valve
50 DN
3
After a pipe diameter reduction
20 DN
4
After a single bend 90°
20 DN
5
After a double bend 2x90°
30 DN
6
After a double three-dimensional bend 2x90°
40 DN
7
Outlet section > 5 DN
INFORMATION!
The nominal diameter of the flange is significant for the determination of the minimum inlet and
outlet sections for the nominal diameter reduced versions of vortex flowmeter versions F1R and
F2R.