GE T17 Installation Manual page 53

Ultrasonic flow transducer
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2.4.3 Determining and Marking the Second Nozzle Location - MR2 Mid-Radius (cont.)
Note: For convenience, refer to Table 8 below for tabulated values of the
For any values not listed in the table, calculate your
Table 8: AS Values for Common Pipe Sizes with 0.375" Wall Thickness
5. Wrap the strip of film around the pipe with one corner edge lined up with the vertical and horizontal scribe
lines at the first nozzle location (see Figure 56 below). Make sure the strip overlaps squarely around the pipe
and that the marked line on the film from step 4 is on the outside of the film and is visible when wrapped.
Model T17 Installation Guide
Pipe OD
inches
mm
26
650
28
700
30
750
32
800
34
N/A
36
900
38
N/A
40
1000
42
1050
44
1100
46
N/A
48
1200
52
1300
54
N/A
56
1400
60
1500
64
1600
66
N/A
Top Reference Point
Figure 56: Wrapping the Film on the Pipe
dimension for some common pipe sizes.
AS
dimension with the equations above.
AS
AS Dimension
inches
27.658
29.753
31.847
33.942
36.036
38.131
40.225
42.320
44.414
46.508
48.603
50.697
54.886
56.981
59.075
63.264
67.453
69.547
Chapter 2. Installing the Pipe Nozzles
mm
702.51
755.70
808.94
862.13
915.31
968.50
N/A
1074.93
1128.12
1181.30
N/A
1287.73
1394.10
N/A
1500.53
1606.91
1713.28
N/A
45

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