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19
UK
►
Install the unit so that the measuring pipe is always completely filled�
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Allow for laminar flow for inlet and outlet pipe lengths� Disturbances caused
by bends, valves or pipe reductions, etc� are then eliminated This applies in
particular to: Shut-off valves and control devices are not allowed directly in front
of the unit�
3 x D
F
S
S
1 x D
2
S = disturbance; D = pipe diameter; F = flow direction
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Install in front of or in a rising pipe:
3
F
F
4
F
F = flow direction