ADS Environmental Services FlowShark Pulse QR 775004 A1 - Manual (Page 52)

Installation 6-7
Angle of the
Curve in the Pipe
v
≤ 1m/s
v
> 1m/s
α ≤15° L ≥ min. 3x DN L ≥ min. 5x DN
α ≤45° L ≥ min. 5x DN L ≥ min. 10x DN
α ≤90° L ≥ min. 10x DN L ≥ min. 15-20x DN
DN represents the nominal diameter
Figure 6-4 Sensor position behind curves or elbows
= Error! Undesirable flow conditions
= Sufficient distance to obtain steady flow (10 … 50 x diameter, depending on the application)
Figure 6-5 Overflow pipes or fall error caused by unstable flow conditions
= Error!
Risk of debris build-up / sludge accumulation caused by negative slope
Figure 6-6 Negative slope – risk of silt accumulation