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5.3b The Single-Traverse Method - GCF (cont.)
6. From one of the marks, measure around the circumference of the pipe a distance equal to one quarter the pipe's
circumference. Make a crossmark with a marker or scribe.
7. From the other mark, go in the opposite direction around the pipe for one quarter the circumference and make
another crossmark.
24
Spacing
Crossmark
Side View
Spacing
Crossmark
Side View
C-PT Ultrasonic Flow Transducer Installation Guide
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