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Reference Manual
00809-0100-4809, Rev DA
Section 2: Installation
September 2015
Installation
The following is a summary of the steps required to complete a flowmeter installation. If this is a
new installation, begin with Step 1. If the mounting is already in place, verify the hole size and
fittings match the recommended specifications (see Table 2-3 on page 23) and begin with Step
5.
1. Determine where the flowmeter is to be placed within the piping system.
2. Establish the proper orientation as determined by the intended application.
3. Review Appendix B: Product Certifications and determine if the flowmeter is located in
a hazardous location.
4. Confirm the configuration.
5. Drill the correct sized hole into the pipe and deburr. Do not torch-cut holes. If installing
a wafer-style Annubar flowmeter, place the flowmeter between raised-face flanges,
utilizing the centering ring to install the flowmeter, and skip to Step 11.
6. For instruments equipped with opposite-side support, drill a second hole 180° from the
first hole.
7. Weld the mounting per plant welding procedures.
8. Measure the pipe’s internal diameter (ID), preferably at 1 ⫻ ID from the hole (upstream
or downstream).
Note
To maintain published flowmeter accuracy, provide the pipe ID when purchasing the flowmeter.
9. Check the set-up of the instrument assembly to the pipe.
10. Install the flowmeter.
11. Wire the instrument.
12. Supply power to the flowmeter.
13. Perform a trim for mounting effects.
14. Check for leaks.
15. Commission the instrument.
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