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

Page 5

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INSTALLATION INSTRUCTIONS, SINGLE SUPPORT

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

"Location Instructions"

on page 7

.

2 . Grind the surface of the pipe where the BHR 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 . Install the close (short) nipple by threading it 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 . Remove 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 10 .

7 . Thread the supplied cage (long) nipple into the isolating ball valve . Install the supplied reducer (1-1/4" × 1" coupling) on

the cage nipple .

8 . Thread the supplied packing gland onto the reducer .
9 . Install the instrument valves (optional) at the pressure connections on the BHR Ellipse sensor head . Make sure the valves

are FULLY CLOSED before proceeding .

10 . Insert the BHR Ellipse through the packing gland and cage nipple until it reaches the isolating ball valve . Slightly tighten

the compression nut of the packing gland and attach the safety chain to the BHR Ellipse . Open the isolating ball valve and

push the sensor down by hand until it reaches the opposite side of the pipe .

THE BHR ELLIPSE MUST BE MANUALLY HELD IN ITS FULLY INSERTED POSITION UNTIL THE COMPRESSION NUT HAS

BEEN COMPLETELY TIGHTENED IN STEP 12 AND THE SAFETY CHAIN HAS BEEN PROPERLY ATTACHED.
11 . While holding the BHR Ellipse in its fully inserted position, align the arrow on the sensor head with the direction of flow .

See

Figure 4 on page 6

.

12 . Completely tighten the packing gland in order to prevent leakage .
13 . Connect the instrument lines to the sensor head valves . Connect these lines to a gage or transmitter .

User Manual

Page 5

April 2014

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