Installation instruction, single support – Badger Meter Model BHL User Manual

Page 5

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INSTALLATION INSTRUCTION, SINGLE SUPPORT

1 . Choose the proper location to install the BHL Ellipse using AGA/ASME standards (or equivalent) . See

“Location Instructions”

on page 7

.

2 . Grind the surface of the pipe where the BHL Ellipse is to be inserted to provide a clean area for welding .
3 . Weld the supplied thread-o-let to the pipe using standard codes for your application (1/16" weld gap recommended) . Take

care to protect the threads during the welding process .

4 . Thread the close nipple into the weld connector . Install the supplied three-piece isolating ball valve .
5 . Mount the high pressure drilling machine onto the ball valve . Open the ball valve . Drill a hole through the pipe wall

according to

Table 2

.

Pipe Size

Model / Sensor

Weld Connector

Drill Bit

2"…5"

BHL (1/2")

3/4"

5/8"

6"…12"

BHL (7/8")

1-1/4"

1-1/8"

14"…24"

BHL (1-1/4")

1-1/2"

1-3/8"

Table 2: Single support drill bit size

OTEE:

N

There is no need for a drilling machine if it is not a hot tap installation or if the system is not pressurized .

6 . Withdraw the drill bit through the isolating ball valve . CLOSE the ball valve and dismantle the drilling machine . Make sure

there is no leakage at the valve and close nipple connections . The ball valve is to remain completely closed until step 9 .

7 . Install the cage nipple assembly and packing gland with the threaded rods assembly by threading it into the isolating ball

valve . Align the arrow on the sensor head with the direction of flow . See

Figure 4

.

H

L

Field Weld

FLOW

Cage Nipple

Assembly

Weld

Connector

Isolating

Ball Valve

Close Nipple

H

L

Figure 4: Sensor alignment

User Manual

Page 5

April 2014

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