
3 General principles
3.4 Undisturbed flow profile
FLUXUS F808
2020-06-25, UMFLUXUS_F808V2-2EN
18
disturbance source: valve
inlet: l ≥ 40 D
outlet: l ≥ 5 D
disturbance source: reducer
inlet: l ≥ 10 D
outlet: l ≥ 5 D
disturbance source: pump
inlet: l ≥ 20 D
Tab. 3.1:
Recommended distance from disturbance sources
D – nominal pipe diameter at the measuring point
l – recommended distance between disturbance source and transducer position
l
l
l
l
l