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2nd Edition, January 1, 2006

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Flowmeters in Water Supply

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Product Details:

  • Revision: 2nd Edition, January 1, 2006
  • Published Date: January 2006
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Water Works Association (AWWA)
  • Page Count: 68
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This manual was prepared as an introduction to the most common large flowmeters currently used in water supply systems. This manual provides information about the most common flowmeters used in water treatment and in custody-transfer applications. Information on other meters can be obtained from AWWA Manual M6 Water Meters—Selection, Installation, Testing, and Maintenance. The flowmeters discussed in this manual include the Venturi, modified Venturi, orifice plate, electromagnetic (mag), turbine and propeller, transit-time ultrasonic, vortex, averaging Pitot, and averaging insertable electromagnetic (mag). The discussion of these meters covers basic theory, installation, maintenance, and advantages and disadvantages. General concepts applicable to flowmeters are also discussed, including flow characteristics, installation and performance issues, communication, information and signal outputs, and flowmeter selection.

The manual can be used as a bridge to other literature on flowmeters, to prepare the reader for further investigations into instrumentation design and applications. The cited references will provide excellent information sources. For additional information, the reader should acquire the relevant manuals from the meter manufacturers. These manuals contain comprehensive information on meter specifications, theory, sizing, handling, installation, power and wiring, operation, maintenance, troubleshooting, and parts.

While this manual attempts to include recommended practice in the use of flowmeters, it is not intended as an AWWA standard.
Standard Methods for the Examination of Water and Wastewater