GE TransPort PT900 User Manual page 26

Chapter 2. Installation
2.5.3 Mounting the Clamp-On Fixture (cont.)
A
B
2. Select a clamp-on fixture mounting location on the pipeline which meets
the following requirements (see Figure 9 below):
•
A straight pipe run of at least 10 nominal pipe diameters (with no
fittings or bends) before the upstream transducer
•
A straight pipe run of at least 5 nominal pipe diameters (with no
fittings or bends) after the downstream transducer
•
A clearance of at least 6" (150 mm) from the outer edge of each end
piece to the nearest joint, welding or flange in the pipeline
>10 Diameters
Fitting
Joint
>6"/150 mm
Upstream
10
Figure 8: Bracket Preliminary Setup
Flow Direction
Figure 9: Selecting the Pipe Location
A
C
>5 Diameters
®
TransPort PT900 User's Manual
B
Fitting
Joint
>6"/150 mm
Downstream