• Solids drop down
• Entrained gas will go up
Figure 3-1: Free-stream flanged fitting meter installation
A. Use a 4 in (102 mm) pipe for horizontal installations; a 6 in (152 mm) pipe for vertical
installations.
B. Size the recess mount so that the meter tines are inserted fully into the liquid
[approximately 2.75 in (70 mm)].
3.1.2
Mount in free-stream application (pipe expanders)
Use the following procedure to mount pipe expanders.
Pipe expanders:
• Increase the diameter of the process pipe to reduce the flow velocity
• Provide a quick response to density changes
• Provide self-cleaning vibrating tines
The following table determines what type of pipe expander to use.
Option
Best usage
Vertical pipe with a concentric reducer Suitable for all liquids and slurries.
Horizontal pipe with concentric reducer Suitable for clean liquids. Do not use for slurry
applications, as solids can build up on the
bottom of the pipe.
Horizontal pipe with eccentric reducer Suitable fo slurry applications.
Mounting Installation Manual
May 2019 MMI-20020989
18 Micro Motion Fork Density Meter
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