Flexim FLUXUS G608 - Page 24

24 UMFLUXUS_G6V4-2EN, 2011-03-29
FLUXUS G60x 5 Selection of the Measuring Point
Recommended straight inlet and outlet pipe lengths for different types of flow disturbance
sources are shown in the examples in Tab. 5.2.
Tab. 5.2: Recommended distance from disturbance sources
D = nominal pipe diameter at the measuring point, l = recommended distance
disturbance source: 90° elbow
supply line: l  20 D return line: l  10 D
disturbance source: 2x 90° elbows on same level
supply line: l  50 D return line: l  10 D
disturbance source: 2x 90° elbows on different level
supply line: l  80 D return line: l  10 D
disturbance source: T piece
supply line: l  100 D return line: l  20 D
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