Panametrics BWT System Installation Manual page 34

Chapter 3. Acoustic Isolation Installation (FIPA Buffers)
9. Inspect 360° around the flanges to ensure equal spacing, by sliding your fingers around the gap between the
buffer flange and the nozzle flange.
10. Then align the flanges as shown below.
IMPORTANT: Make sure the gasket is in the center of the flanges.
11. Tighten the nuts on the studs further by hand to maintain the centering. Visually verify that the buffer is centered
in the lap joint flange. If necessary, adjust the buffer by hand until it is centered.
26
Flange
End View
Good
End View
Proper Gasket
Alignment
Bad
BWT™ System Installation Guide