Badger Meter Water Conditioning - Manual (Page 7)

INSTALLATION
Procedures for installing Recordall Turbo Series meters are essentially the same for all meter sizes Any special instructions
required for the installation or connection of accessory devices such as AMR/AMI technologies or strainers is provided in the
literature for those devices Figure 1 shows a recommended meter installation
BADGER PLATE
STRAINER AND TURBO
SERIES METERS
COUPLING
ADAPTOR
SERVICE
SADDLE
SHUT-OFF
VALVE
TEST TEE
MINIMUM TWO
PIPE DIAMETERS
DOWNSTREAM
OF TURBO
METER
MINIMUM OF FIVE
DIAMETERS OF
STRAIGHT PIPE
VALVE
(open)
BY-PASS
(PERMANENT OR
TEMPORARY)
UPSTREAM
DOWNSTREAM
Figure 1: Recommended meter installation
Preinstallation Considerations
Before proceeding any further with the installation, first read the instructions in the paragraphs immediately following to
become familiar with the requirements and procedures involved
NOTE: N The Recordall Turbo Series meters are designed for operation in HORIZONTAL piping arrangements
• Be sure that the meter flow range and size of the meter coincide with the intended service and demand for water
THE LIFE OF THE TURBO METER WILL BE CURTAILED IF OPERATED AT FLOW RATES HIGHER THAN SPECIFIED.
• The meters are designed for use in cold water service (up to 120° F or 49° C) within the applicable flow requirements
for Turbo meters For use with water at higher temperatures, consult your Badger Meter representative or nearest
Badger Meter regional sales office
• If solid material is present in the water to be metered, a strainer must be installed in the service piping upstream of the
meter The strainer, in addition to protecting the meter from debris in the line, minimizes the effect of velocity profile
distortions or turbulence caused by changes in pipe direction or valving resulting in more accurate registration
• Avoid locating the meter in close quarters Allow sufficient space to permit access for meter reading, testing,
and maintenance
• Because of the need to test large meters periodically to verify their performance, it is recommended that a bypass system
be incorporated into the piping arrangement This will also provide a means of performing periodic cleanout and routine
maintenance without interrupting service to the customer A test port is incorporated in the meter housing and can be
used for field accuracy testing
• The Recordall Turbo Series meter is accuracy and pressure tested prior to shipment, therefore no field adjustments
are required As turbine performance is directly related to the flow conditions of the water stream entering the meter,
upstream fittings and piping changes can adversely affect flow registration For valid registration and proper performance,
consider the following installation considerations:
◊ When installing the meter with a separate plate strainer or integral strainer, a minimum of 5 pipe diameters of straight,
unobstructed pipe is recommended upstream of the meter For optimum protection and accuracy, this straight
pipe spool piece should be installed between the separate strainer and meter (see Figure 1 ) A minimum of 10 pipe
diameters (minimum of 25 pipe diameters for smallest size) of straight unobstructed pipe is recommended upstream
of a meter installed without a plate strainer The deletion of a strainer, however, is not recommended This allows for
dampening of velocity profile distortions caused by elbows, pumps, and dirt traps upstream of the meter Where spiral
flows are created by three dimensional elbows or rotary pumps, additional distance to dampen the effect is beneficial
If a basket or Y-type strainer is used, place it 5 to 10 pipe diameters upstream of the meter to dampen velocity profile
distortions created by this design
User Manual
Page 7 April 2014