Proline Prowirl 72F, 72W, 73F, 73W
Hauser
15
Inlet and outlet run
As a minimum, the inlet and outlet runs shown below must be observed to achieve the specified accuracy of
the device. The longest inlet run shown must be observed if two or more flow disturbances are present.
A0001867
Minimum inlet and outlet runs with various flow obstructions
A =
Inlet run
B =
Outlet run
1 =
Reduction
2 =
Extension
3 =
90° elbow or T-piece
4 =
2 x 90° elbow, -dimensional
5 =
2 x 90° elbow
6 =
Control valve
Note!
A specially designed perforated plate flow conditioner can be installed if it is not possible to observe the inlet
runs required (
Outlet runs with pressure and temperature measuring points
If pressure and temperature measuring points are installed after the device, please ensure there is a large
enough distance between the device and the measuring point so there are no negative effects on vortex
formation in the sensor.
A0003780
PT = Pressure measuring point
TT = Temperature measuring point
Esc
E
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Esc
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Esc
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15 x DN
5 x DN
A
1
3
5
2
4
6
A
A
A
A
A
B
B
B
B
B
B
18 x DN
5 x DN
20 x DN
5 x DN
40 x DN
5 x DN
25 x DN
5 x DN
50 x DN
5 x DN
Esc
E
-
+
Esc
E
-
+
PT
TT
3...5 x DN
4...8 x DN
Esc
E
-
+
