PanaFlow™ LC User’s Manual 9
Chapter 2. Installation
2.6 Precautions
Prior to installation the clamping fixture, it is HIGHLY recommended to keep the following in mind:
1. Position the clamp-on fixture(s) and transducer system so that there are at least 10 pipe diameters of
straight, undisturbed flow upstream and 5 pipe diameters of straight, undisturbed flow downstream
from the measurement point (see Figure 7 below). Undisturbed flow means avoiding sources of
turbulence in the fluid such as valves, expansion joints, elbows and other protruded mechanical
components. For location after a set of out of plane double elbows, longer upstream length is highly
recommended.
2. If the clamping fixture is to be placed downstream of an elbow, the orientation of the clamping
fixture must be placed in such a way that the transducer path is perpendicular to the plane of the
piping to compensate for swirl.
3. For permanent installations, the clamping fixture should be oriented in a way where the transducer
paths are out of the vertical plane. Pipe fouling can produce erroneous meter readings. If this
placement contradicts with the placement listed in the previous note, then the fixture can be
oriented in the 11-5 o'clock or 1-7 o'clock positions. NEVER orient the transducers in the 12 o'clock or
6 o'clock positions.
4. Once the location has been scoped out, make sure there is enough clearance around the area to
install the clamping fixture and transducers.
Figure 7: Recommended Installation Location and Orientation
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