2-9
Installation
Flowtube Orientation
Vertical Installation Vertical installation allows upward process fluid flow and is generally
preferred. Upward flow keeps the cross-sectional area full, regardless
of flow rate. Orientation of the electrode plane is unimportant in
vertical installations.
NOTE
As shown in Figure 2-6, avoid downward vertical flows where back
pressure is inadequate to ensure that the flowtube remains full.
Horizontal Installation Horizontal installation should be restricted to low piping sections that
are normally full. Orient the electrode plane to within 45 degrees of
horizontal in horizontal installations. A deviation of more than 45
degrees of horizontal would place an electrode at or near the top of the
flowtube–making it more susceptible to insulation by air or entrapped
gas at the top of the flowtube.
Flow
Flow
B
8705-0005A01A, 0005A01B
FIGURE 2-6. Vertical Flowtube Orientation.
8705-0005A01C
FIGURE 2-7. Horizontal Flowtube Orientation.
Flow
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