Burkert S020 Manuel Utilisateur page 28

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For measuring the flow and depending on the design of the
pipes, the distances recommended in figure 7.3 may be in-
creased in accordance with the standard EN ISO 5167-1, from
which the diagrams in fig. 7.4 are excerpted:
50 x DN 5 x DN
With regulating valve
25 x DN 5 x DN
Pipe with 2 elbows at 90°
18 x DN 5 x DN
With pipe extension
Fig. 7.4: Distances upstream and downstream depending on the design of
the pipes.
Type S020
Installation
40 x DN 5 x DN
Pipe with 2 elbows at 90° in
3 dimensions
20 x DN 5 x DN
Pipe with 1 elbow at 90° or
1 T-piece
15 x DN 5 x DN
With pipe reduction
English
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To measure the flow, use a flow conditioner, if necessary, to
obtain the best accuracy.
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For all types of measurement, respect the following additional
assembly conditions to ensure that the measuring device oper-
ates correctly (fig. 7.5 and 7.6) and prevent the formation of air
bubbles in the pipe and the pipe filling system on the measuring
device.
Correct
Direction of fluid flow
Correct
Fig. 7.5 Additional recommendations on installation
Incorrect
Incorrect
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