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Chapter 2. Installing the Pipe Nozzles
2.2
Nozzle Installation - Diametrical Path
A diametrical signal path is one in which the ultrasonic signal between the two transducers travels along a diameter of
the pipe (see Figure 3 below). Typically, the transducers are located at the 3 o'clock and 9 o'clock positions, when
viewed from the downstream end of the pipe.
End View - Downstream
The
path nozzle installation procedure includes the following steps:
Diametrical
1. "Identifying the Nozzle Installation Kit Components - Diametrical" on page 5
2. "Selecting and Marking the First Nozzle Location - Diametrical" on page 6
3. "Determining and Marking the Second Nozzle Location - Diametrical" on page 8
4. "Installing the First Welding Boss - Diametrical" on page 12
5. "Installing the First Nozzle - Diametrical" on page 14
6. "Installing the Second Welding Boss and Nozzle - Diametrical" on page 16
7. Proceed to one of the following:
•
"Hot Tapping the Pipe - Diametrical" on page 17
•
"Cold Tapping the Pipe - Diametrical" on page 17
4
Figure 3: Diametrical Path Configuration
Model T17 Installation Guide
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