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Chapter 2. Installing the Pipe Nozzles
2.4.3 Determining and Marking the Second Nozzle Location - MR2 Mid-Radius (cont.)
6. The new position for the center of the second nozzle is now identified as the intersection of the mark line on the
strip of film and the first edge of the strip of film (see Figure 57 below). Center punch this location prior to
removing the strip of film.
7. Remove the strip of film from the pipe.
8. Scribe 6" long vertical and horizontal lines on the pipe that intersect at the center punched area, as shown in
Figure 58 below.
IMPORTANT: Follow the illustrations and instructions above carefully. Because of the non-symmetrical geometry of
the off-diameter chord in a mid-radius configuration, a mirrored location of the two nozzles with respect
to a plane either perpendicular to or parallel to the pipe in the above illustrations will not accommodate
the nozzles supplied in the standard Nozzle Installation Kit (NIK).
46
Mark Line
Figure 57: Center Punch the Second Nozzle Location
Figure 58: Scribe Lines at the Punch Mark
Punch Here
Overlapping
Area
Second Edge
Model T17 Installation Guide
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