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AWWA C712-24 Cold-Water Meters - Singlejet Type, 2024
- Foreword [Go to Page]
- I. Introduction [Go to Page]
- I.A. Background. The subcommittee that drafted this standard was formed in June 1998 from the AWWA Standards Committee on Water Meters. [Go to Page]
- I.B. History. Early European references to singlejet (originally called Faller) meters date back to the turn of the twentieth century. An early text reference can be found in an article by G. Daries, engineer for the Water Service in Paris, France, entitl [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 [Go to Page]
- II.A. Fire Flow. The meters described in this standard are not designed to be used in water service piping intended to extinguish fire. Requirements for meters used for residential fire sprinkler applications that meet the requirements of NFPA* 13D in sin [Go to Page]
- II.B. 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. This standard provides for several options and alternatives that purchasers must designate if they wish to exercise the options or if they have preferences among alternatives. Also, several items must be specifie [Go to Page]
- III.B. Modification to Standard. Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser.
- V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standards@awwa.org.
- AWWA Standard
- SECTION 1: GENERAL
- Sec. 1.1 Scope
- Sec. 1.2 Purpose
- Sec. 1.3 Application
- SECTION 2: REFERENCES
- SECTION 4: REQUIREMENTS
- Sec. 4.1 Materials
- Sec. 4.2 General Design [Go to Page]
- Table 2 Meter dimensions
- Sec. 4.3 Detailed Design [Go to Page]
- Table 3 Meter connections—companion flange dimensions [Go to Page]
- Table 4 Maximum indication on initial dial and minimum register capacity
- Sec. 4.4 Marking
- SECTION 5: VERIFICATION
- Sec. 5.1 Basis for Rejection
- SECTION 6: DELIVERY
- Sec. 6.1 Packaging and Shipping
- Sec. 6.2 Affidavit of Compliance [Go to Page]
