Siemens SITRANS FX330 - Minimum inlet sections

INSTALLATION 3
33
SITRANS FX330
www.siemens.com/flow08/2022 - A5E36751269-AG 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 A
fter 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.