VorTek Pro-T, Instruction Manual

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Chapter 2 Installation Series M22/M23/M24 Instruction Manual
2-
6
M-000-00010
4.
Place the remaining studs between the pipe flanges. Tighten the nuts in
the sequence shown in Figure 2-2. Check for leaks after tightening the
flange bolts
Flange-Style Flow Meter Installation
Install the flange-style meter between two conventional pipe flanges of
the same nominal size as the flow meter. If the process fluid is a liquid,
make sure the meter is located where the pipe is always full. This may re-
quire locating the meter at a low point in the piping system. Note: Vortex
flow meters are not suitable for two-phase flows (i.e., liquid and gas mix-
tures). For horizontal pipelines having a process temperature above 300°
F, mount the meter at a 45 or 90-degree angle to avoid overheating the
electronics enclosure. To adjust the viewing angle of the enclosure or dis-
play/keypad, see page 2-18 and 2-19.
Figure 2-4. Flange-Style Flow Meter Installation
When installing the meter make sure the flange marked with a flow arrow is
positioned upstream of the outlet flange, with the arrow head pointing in the
direction of flow. (The mark is on the flange adjacent to the enclosure
mounting neck.) This ensures that the sensor head is positioned downstream
of the vortex shedder bar and is correctly aligned to the flow. Installing the
meter opposite this direction will result in completely inaccurate flow meas-
urement. To install the meter:
1.
Turn off the flow of process gas, liquid or steam. Verify that the line
is not pressurized. Confirm that the installation site meets the required
minimum upstream and downstream pipe diameters.
Caution!
When using toxic or corrosive
gases, purge the line with inert
gas for a minimum of four hours
at full gas flow before installing
the flow meter.