Installation instructions, double support – Badger Meter Model BHR User Manual

Page 6

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Field Weld

Figure 4: Sensor alignment

INSTALLATION INSTRUCTIONS, DOUBLE SUPPORT

1 . Follow steps 1 through 10 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

Table 3

Pipe Size

Model / Sensor

Weld Connector

Drill Bit

2"…5"

BHR (7/16")

1/2"

3/8"

6"…12"

BHRL (7/8")

1/2"

14"…24"

BHR (1-1/4")

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 BHR Ellipse sensor through the two holes . Make sure that the double support pin passes through the guide ring .

See

Figure 5

Ellipse Sensor

Double Support Pin

Guide Ring

Figure 5: Double support pin

4 . Align the arrow located on the sensor head in the direction of flow as in step 11,

“Installation Instructions, Single Support”

on page 5

5 . Check that the BHR Ellipse is in the correct orientation and spans the inside of the pipe . Tighten the compression nut

manually, then use a wrench to tighten it an additional 1-1/4 turns .

6 . Install the plug into the end of the double support thread-o-let . Tighten the plug to prevent leakage .