Emerson Micro Motion TA Series Посібник з монтажу - Сторінка 7
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Installation Manual
MMI-20040393
Table 1-1: Preferred sensor orientation
Gases
Slurries
1.4
Best practices
•
There are no pipe run requirements for Emerson meters. Straight runs of pipe
upstream or downstream are unnecessary.
•
If the meter is installed in a vertical pipeline, liquids and slurries should flow upward
through the meters. Gases should flow downward.
•
Keep the meter tubes full of process fluid.
•
For halting flow through the meter with a single valve, install the valve downstream
from the meter.
•
Minimize bending and torsional stress on the meter. Do not use the meter to align
misaligned piping.
•
The meter does not require external supports. The flanges will support the sensor in
any orientation.
•
Do not use the junction box to pick up the meter.
•
Do not use the junction box as a step.
•
Do not unscrew and rotate the junction box as this will break the wires.
•
Do not install the meter in suspended pipes.
•
Do not adjust the meter position by pulling or grasping the meter.
1.5
Temperature limits
Temperature type
Process temperature
Ambient temperature
Use the extended mount junction box (electronic interface code H) for process
temperatures above 176 °F (80.0 °C).
Installation Manual
(continued)
Min
-40 °F (-40.0 °C)
-40 °F (-40.0 °C)
Planning
April 2019
Max
356 °F (180.0 °C)
176 °F (80.0 °C)
7