GE TransPort PT900 - Clamp-On Fixture Mounting Location and Position

Chapter 2. Installation
10 TransPort
®
PT900 User’s Manual
2.5.3 Mounting the Clamp-On Fixture (cont.)
Figure 8: Bracket Preliminary Setup
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
Figure 9: Selecting the Pipe Location
A
B
C
A
B
Flow Direction
Fitting
Joint
>6”/150 mm
>10 Diameters >5 Diameters
Joint
>6”/150 mm
Fitting
Upstream Downstream