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Chapter 4. Inserting T17 Transducers into the Pipe
4.2.3 Aligning the Downstream Transducer (cont.)
3. The primary method for ensuring that the angled transducer head is pointing in the correct direction uses the
alignment marks on the downstream nozzle and the downstream Barrel assembly (see Figure 76 below). The
alignment marking on the flange at the top of the Barrel must be in alignment with the nozzle, such that the
marking falls between the bolt holes straddling the upstream to downstream centerline, as shown below.
Bolt Holes Straddling Centerline
on Nozzle (see DETAIL A)
Alignment Marking on Flange at Top of Barrel
66
Scribe Line on Transducer Tube
Figure 76: Transducer Alignment Marks
Bolt Holes Straddle Centerline of Upstream
and Downstream Nozzles
DETAIL A
FLOW
Scribe Line
Downstream Nozzle
DETAIL B
Model T17 Installation Guide
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