51
Reference Manual
00809-0100-4809, Rev DA
Section 2: Installation
September 2015
Installation
Step 5: Remove the drilling machine
1. Verify that the drill has been fully retracted past the valve.
2. Close the isolation valve to isolate the process.
3. Bleed drilling machine pressure and remove.
4. Check isolation valve and mounting for leakage.
Step 6: Mount the Annubar sensor
1. Align the flow arrow on the head with the direction of flow.
2. Use the supplied gaskets and flange bolts to fasten the Flo-Tap assembly to the isolation
valve.
3. Tighten the nuts in a cross pattern to compress the gasket evenly.
4. Ensure the vent valves are closed before proceeding.
5. Quickly open and close the isolation valve to pressurize the Annubar sensor. Use
extreme caution if the flowing medium is steam or caustic.
6. Check the entire installation for leakage. Tighten as required to stop any connection
from leaking. Repeat Steps 4 and 5 until there is no leakage.
a. If the Flo-tap comes equipped with the gear drive option, place the PVC protector rod
assembly over the drive rods and attach to the gear drive with the supplied hardware.
Note
Flo-Tap Annubar sensors have the potential to carry a large amount of weight at a great distance
from the piping, necessitating external support. The support plate has threaded holes to assist
in supporting the Annubar sensor. Threaded holes (
3
/8 in.-16 UNC) are provided on the support
plate for external support.
Table 2-12. 585 Drill Hole Sizes
Sensor size Sensor width Hole diameter
11 0.8-in. (20.32 mm)
7
/8-in. (23 mm)
+
1
/32-in. (0,8 mm)
– 0.00
22 1.20-in. (30.48 mm) 1
5
/16-in. (34 mm)
+
1
/16-in. (1,6 mm)
– 0.00
44 2.30-in. (58.42 mm) 2
1
/2-in. (64 mm)
+
1
/16-in. (1,6 mm)
– 0.00
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