4 Basics – flow measurement
4.4 Undisturbed flow profile PIOX S72*
2022-05-15, UMPIOX_S72xV1-9EN
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disturbance: valve
inlet: l ≥ 40 D outlet: l ≥ 5D
disturbance: reducer
inlet: l ≥ 10 D outlet: l ≥ 3D
disturbance: pump
inlet: l ≥ 20 D
Tab. 4.1: Recommended distance from disturbances
D – nominal pipe diameter at the measuring point
l – recommended distance between disturbance and transducer position