12
Reference Manual
00809-0100-4809, Rev DA
Section 2: Installation
September 2015
Installation
Note
If proper lengths of straight run are not available, position the mounting such that 80%
of the run is upstream and 20% is downstream.
“In Plane A” means the sensor is in the same plane as the elbow. “Out of Plane A” means
the sensor is perpendicular to the plane of the elbow.
The information contained in this manual is applicable to circular pipes only. Consult
the factory for instructions regarding use in square or rectangular ducts.
Straightening vanes may be used to reduce the required straight run length.
The last row in Tab le 2- 2 applies to gate, globe, plug, and other throttling valves that are
partially opened, as well as control valves.
5
Expander
Expander with straightening Vanes
18
N/A
18
N/A
N/A
8
N/A
4
N/A
4
4
4
6
Valve
Valve with straightening Vanes
30
N/A
30
N/A
N/A
8
N/A
4
N/A
4
4
4
Table 2-2. Straight Run Requirements
In plane Out of plane
Upstream dimensions
Downstream
dimensions
Without straightening
vanes
With
straightening
vanes
In plane A Out of plane A A’ C C’ B
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