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All Products > All Products > Meters & Instruments > BadgerMeter > Item # M25  
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Item # M25, BadgerMeter Recordall® Cold Water Bronze Disc Meters


M25-Recordall-Disc-Series-Meter

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Badger Meter offers the Recordall Disc meter in Cast Bronze and a Low Lead Alloy. The Low Lead Alloy (Trade Designation: M25 LL) version complies with NSF/ANSI Standard 61 and carries the NSF-61 Mark on the housing. All components of the Low Lead Alloy meter, i.e. disc, chamber, housing, seals, etc., comprise the certified system.

APPLICATIONS: For use in measurement of potable cold water in residential, commercial and industrial services where flow is in one direction only.

OPERATION: Water flows through the meter s strainer and into the measuring chamber where it causes the disc to nutate. The disc, which moves freely, nutates on its own ball, guided by a thrust roller. A drive magnet transmits the motion of the disc to a follower magnet located within the permanently sealed register. The follower magnet is connected to the register gear train. The gear train reduces the disc nutations into volume totalization units displayed on the register dial face.

OPERATING PERFORMANCE: The Badger Recordall® Disc meters meet or exceed registration accuracy for the low flow rates (95%), normal operating flow rates (100 ± 1.5%), and maximum continuous operation flow rates as specifically stated by AWWA Standard C700.

CONSTRUCTION: Badger Recordall Disc meter construction, which complies with ANSI/AWWA standard C700, consists of three basic components: meter housing, measuring chamber, and permanently sealed register. The water meter is available in bronze and Low Lead Alloy with externally-threaded spuds. A corrosion-resistant thermoplastic material is used for the measuring chamber.

To simplify maintenance, the register, measuring chamber, and strainer can be replaced without removing the meter housing from the installation. No change gears are required for accuracy calibration. Interchangeability of parts among like-sized meters also minimizes spare parts inventory investment. The built-in strainer has an effective straining area of twice the inlet size.

MAGNETIC DRIVE: Direct magnetic drive, through the use of high- strength magnets, provides positive, reliable and dependable register coupling for straight-reading, remote or automatic meter reading options.

SEALED REGISTER: The standard register consists of a straight-reading odometer-type totalization display, 360º test circle with center sweep hand and flow finder to detect leaks. Register gearing consists of self-lubricating thermoplastic gears to minimize friction and provides long life. Permanently sealed; dirt, moisture, tampering and lens fogging problems are eliminated. Multi-position register simplifies meter installation and reading. Generator-type remote reading and automatic meter reading systems are available for all Recordall Disc meters. All reading options are removable from the meter without disrupting water service.

TAMPER-PROOF FEATURES: Customer removal of the register to obtain free water can be prevented when the optional tamper detection seal wire screw or TORX® tamper resistant seal screw is added to the meter. Both can be installed at the meter site or at the factory.

MAINTENANCE: Badger Recordall Disc meters are designed and manufactured to provide long-term service with minimal maintenance. When maintenance is required, it can be performed easily either at the meter installation or at any other convenient location. As an alternative to repair by the utility, Badger offers various maintenance and meter component exchange programs to fit the needs of the utility.

CONNECTIONS: Tailpieces/Unions for installations of meters on various pipe types and sizes, including misaligned pipes, are available as an option.




Specifications  · Construction Material

Specifications

Size
5/8" (DN 15mm)

Typical Operating Range (100% ±1.5%)
1/2 - 25 gpm
0.11 to 5.7 m³/h

Low Flow (Min.98.5%)
1/4 gpm
0.057 m³/h

Maximum Continuous Operation
15 gpm
3.4 m³/h

Pressure Loss at Maximum Continuous Operation
0.24 bar at 3.4 m³/hr
3.5 psi at 15 gpm

Maximum Operating Temperature
80 ºF
26 ºC

Maximum Operating Pressure
150 psi
10 bar

Measuring Element
Nutating disc, positive displacement

Register Type
Remote reading or Automatic Meter. Reading units optional.
Straight reading, permanently sealed magnetic drive standard.

Register Capacity1
10,000,000 gal
1,000,000 ft³
100,000 m³

Meter Connections

 View
Available in bronze and thermoplastic to fit 5/8" (DN15mm) spud thread bore diameter sizes.
1 6 odometer wheels.


Construction Material

Meter Housing Material
Cast Bronze, Low Lead Alloy

Housing Bottom Plates Material
Bronze, Cast Iron, Thermoplastic, Low Lead Alloy

Measuring Chamber Material
Thermoplastic

Disc Material
Thermoplastic

Trim Material
Stainless Steel, Bronze

Strainer Material
Thermoplastic

Disc Spindle Material
Stainless Steel, Thermoplastic

Magnet Material
Ceramic, Polymer-Bonded

Magnet Spindle Material
Stainless Steel, Thermoplastic

Register Lid and Shroud Material
Thermoplastic, Bronze

Generator Housing Material
Thermoplastic


 MORE IMAGES 

·  Pressure Loss/Accuracy Chart (Badger Meter Recordall® Cold Water Bronze Disc Meter


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Recordall® Cold Water Bronze Disc Meter
(PDF, 288KB)


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