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18
Installationandwiring
Type 8011
With regulating valve
Pipe with 2 elbows at 90°
in 3 dimensions
Pipe with 2 elbows
at 90°
Pipe with 1 elbow at 90° or 1
T-piece
With pipe expansion
With pipe reduction
50 x DN
5 x DN
40 x DN
5 x DN
25 x DN
5 x DN
20 x DN
5 x DN
18 x DN
5 x DN
15 x DN
5 x DN
Fig. 2: Upstream and downstream distances depending on the
design of the pipes.
→
If necessary, use a flow conditioner to improve measurement
precision.
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Install the device in such a way that the paddle-wheel axis is
horizontal.
→
On an horizontal pipe, mount the device in such a way that the
paddle-wheel is downwards (Fig. 3).
→
Prevent the formation of air bubbles in the pipe in the section
around the device (Fig. 4).
→
Ensure that the pipe is always filled in the section around the
device (Fig. 5).
Fig. 3: Paddle-wheel downwards on an horizontal pipe
Correct
Correct
Incorrect
Incorrect
Fluid circulation
direction
Fig. 4: Air bubbles within the pipe
Correct
Incorrect
English
Summary of Contents for 8011
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