User guide

23
Installation
Type 8025 / 8035
→ Install the device on the pipe in such a way that the upstream and downstream distances are respected according to the
design of the pipes, refer to standard EN ISO 5167-1 and "Fig. 8".
flow direction
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
With control 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
Fig. 8: Upstream and downstream distances depending on the design of the pipes
→ Ensure that the pipe is always filled in the section around the device (see "Fig. 9").
→ When mounting vertically ensure that the flow direction is in an upward direction (see "Fig. 9").
Horizontal mounting
Correct Incorrect
Vertical mounting
Correct Incorrect
flow direction
Fig. 9: Filling of the pipe
→ Prevent the formation of air bubbles in the pipe in the section around the device (see "Fig. 10").
Correct
flow direction
Incorrect
Correct Incorrect
Fig. 10: Air bubbles within the pipe
→ If necessary, use a flow conditioner to improve measurement accuracy.
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