Installation instructions, double support – Badger Meter AR - Regular (2 to 72")" User Manual
Page 6

INSTALLATION INSTRUCTIONS, DOUBLE SUPPORT
1 . Follow steps 1 through 7 in
"Installation Instructions, Single Support" on page 5
. At 180° from and on the same plane
as the previously drilled hole, grind the surface of the pipe to provide a clean area for welding . Drill a hole and deburr,
especially on the inside of the pipe . The hole used for the double support should be sized according to
.
MODEL / SENSOR
WELD CONNECTOR
DRILL BIT
AR0 (1/2")
1/8"
3/8"
AR (7/8")
1/2"
1/2"
AR1 (1-1/4")
1"
7/8"
Table 3: Double support drill bit size
2 . Weld the double support thread-o-let making sure that it is centered with the drilled hole (1/16" weld gap recommended) .
3 . Install the AR Ellipse sensor through the two holes . Make sure that the double support pin passes through the guide ring .
See
Ellipse Sensor
Double Support Pin
Guide Ring
Figure 7: Double support pin
4 . Align the arrow located on the sensor head in the direction of flow as in step 9,
"Installation Instructions, Single Support" on
5 . Ensure that the AR Ellipse is in the correct orientation and spans the inside of the pipe . Tighten the compression nut
manually, then tighten it 1-1/4 turns more using a wrench .
6 . Install the plug into the end of the double support thread-o-let . Tighten the plug to prevent leakage .
Ellipse® Pitot Tube Meter, AR Annular Regular Meter
Page 6
April 2014