Burkert Type S030 - Manual (Page 10)

36
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Install the fitting on the pipe to comply with the
upstream and downstream distances defined by
standard EN ISO 5167-1 (see Fig. 3).
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°
Pipe with 2 elbows at 90°
in 3 dimensions
Pipe with 1 elbow at 90°
or 1 T-piece
With pipe expansion With pipe
reduction
Fig. 3: Upstream and downstream distances depending
on the design of the pipes.
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Use a flow conditioner, if necessary, to obtain the best
accuracy.
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Prevent the formation of air bubbles in the pipe (see
Fig. 4).
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Ensure the pipe is always filled with liquid (see Fig. 5).
Correct
Correct
Incorrect
Incorrect
Direction of fluid flow
Fig. 4: Additional recommendations on installation
English 37
38
Correct Incorrect
Correct Incorrect
Fig. 5: Additional recommendations on installation
English 39
installing a fitting with weld ends
Follow the previously described general installation
recommendations.
note
the seal on the fitting with weld-end connections
may be damaged during welding.
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Before welding the weld-ends, unscrew the 4 tigh-
tening screws.
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Remove the sensor holder.
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Remove the seal.
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Weld the weld-ends.
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After welding, correctly replace the seal in the
groove.
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Replace the sensor holder.
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Tighten the 4 screws in an alternating pattern, app-
lying a nominal tightening torque of 1,5 Nm.
English 39