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AWWA C751-19(R23) Magnetic Inductive Flowmeters, 2019
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. The first water meter that was produced in the United States was thought to be a positive displacement meter that was fabricated in 1857. Since then, a number of other technologies and designs have been introduced to the water industry, e [Go to Page]
- I.B. History. In 2007, the AWWA Standards Subcommittee on Magnetic Devices, a subcommittee of the AWWA Standards Committee on Rate Type Flowmeters, completed a Committee Report on Magnetic Inductive Flowmeters. The report was published in the June 2007 is [Go to Page]
- I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
- II. Special Issues. This standard is different in format from other AWWA standards that contain specific requirements for material, dimensions, workmanship, and other physical requirements. Different magnetic inductive flowmeters employ different material [Go to Page]
- II.A. Chlorine and Chloramine Degradation of Elastomers. The selection of materials is critical for water service and distribution piping in locations where there is a possibility that elastomers will be in contact with chlorine or chloramines. Documented
- III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered. [Go to Page]
- III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser: [Go to Page]
- III.B. Modification to Standard. Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser.
- IV. Major Revisions. Major revisions made to the standard in this edition include the following:
- AWWA Standard
- SECTION 1: GENERAL
- Sec. 1.1 Scope
- Sec. 1.2 Purpose
- Sec. 1.3 Application
- SECTION 2: REFERENCES
- SECTION 3: DEFINITIONS
- SECTION 4: REQUIREMENTS
- Sec. 4.1 Materials
- Sec. 4.2 Principles of Operation
- Sec. 4.3 Flowmeter Components
- Sec. 4.4 Performance Issues
- Sec. 4.5 Impacts on Performance
- SECTION 5: VERIFICATION
- Sec. 5.1 Calibration Methods
- Sec. 5.2 Field-Verification Techniques
- Sec. 5.3 Calibration Traceability
- Sec. 6.2 Affidavit of Compliance [Go to Page]
- Purchaser Options [Go to Page]
