AWWA C704-12 Propeller-Type Meters for Waterworks Applications (PDF)
SKU: STC_0076351-PDF
This standard describes the various types and classes of propeller meters in sizes 2 in. (50 mm) through 72 in. (1,800 mm) for waterworks applications. These meters register by recording the revolutions of a propeller set in motion by the force of flowing water striking the blades.
Description
The major revisions to the standard in this edition include the following: Foreword Section I.C provides information on lead content criteria and the new NSF/ANSI Standard 372, Drinking Water System Components - Lead Content, as well as recent federal legislation revising the definition of "lead free" in the Safe Drinking Water Act; Foreword Section II cites that meters described in this standard are not designed to be used in water service piping intended to extinguish fire, the requirements for residential fire service-type meters are not addressed in this standard; Foreword Section III.A contains a new purchaser option for compliance with NSF/AWWA 372 or other lead content criterion; Sec. 4.3.4.3 has been expanded to include more comprehensive language and greater details on the requirements for electronic display registers; and, editorial clarifications have been provided throughout the standard.