ANSI AWWA C700-2015 Cold-Water Meters - Displacement Type Metal Alloy Main Case《冷水表.位移型金属合金壳体》.pdf

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1、 AWWA Standard SM Cold-Water Meters Displacement Type, Metal Alloy Main Case Effective date: March 1, 2015. First edition approved by AWWA Board of Directors June 9, 1921. This edition approved Jan. 24, 2015. Approved by American National Standards Institute Oct. 16, 2014. ANSI/AWWA C700-15 (Revisio

2、n of ANSI/AWWA C700-09) Copyright 2015 American Water Works Association. All Rights Reserved. ii AWWA Standard This document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA standards describe minimum requirements and do not contain all of the engineering and a

3、dministrative information normally contained in specifications. The AWWA standards usually contain options that must be evaluated by the user of the standard. Until each optional feature is specified by the user, the product or service is not fully defined. AWWA pub- lication of a standard does not

4、constitute endorsement of any product or product type, nor does AWWA test, certify, or approve any product. The use of AWWA standards is entirely voluntary. This standard does not supersede or take precedence over or displace any applicable law, regulation, or codes of any governmental authority. AW

5、WA standards are intended to represent a consensus of the water supply industry that the product described will provide satisfactory service. When AWWA revises or withdraws this standard, an official notice of action will be placed in the Official Notice section of Journal - American Water Works Ass

6、ociation. The action becomes effective on the first day of the month fol- lowing the month of Journal - American Water Works Association publication of the official notice. American National Standard An American National Standard implies a consensus of those substantially concerned with its scope an

7、d provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether that person has ap - proved the standard or not, from manufacturing, marke

8、ting, purchasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions. Producers of goods made in conformity with an American National Standard are encour - aged

9、to state on their own responsibility in advertising and promotional materials or on tags or labels that the goods are produced in conformity with particular American National Standards. Caution n oti Ce : The American National Standards Institute (ANSI) approval date on the front cover of this stand

10、ard indicates completion of the ANSI approval process. This American National Standard may be revised or withdrawn at any time. ANSI procedures require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of ANSI approval. Purchasers of American

11、National Standards may receive current information on all standards by calling or writing the American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036; 212.642.4900, or emailing infoansi.org. ISBN-13, print: 978-1-62576-052-4 eISBN-13, electronic: 978-1-61300-314-

12、5DOI: http:/dx.doi.org/10.12999/AWWA.C700.15 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information or retrieval system, except in the form of brief excerpts or quotat

13、ions for review purposes, without the written permission of the publisher. Copyright 2015 by American Water Works Association Printed in USA hours of work by your fellow water professionals. Revenue from the sales of this AWWA material supports ongoing product development. Unauthorized distribution,

14、 either electronic or photocopied, is illegal and hinders AWWAs mission to support the water community. This AWWA content is the product of thousands of Copyright 2015 American Water Works Association. All Rights Reserved. iii Committee Personnel The AWWA Subcommittee on Displacement-T ype Meters, w

15、hich developed this standard, had the following personnel at the time: Don Faber, Chair M.J. Aragon, Denver Water, Denver, Colo. (AWWA) R.A. Barillas, Badger Meter, Milwaukee, Wis. (AWWA) G.H. De Jarlais, Badger Meter, Milwaukee, Wis. (AWWA) A. Dudley, Itron, West Union, S.C. (AWWA) D. Faber, Faber

16、& Associates, Columbus, Ind. (AWWA) R.C. Graff, Poway, Calif. (AWWA) L. Gregory, RG3 Meter Company Inc., Longview, Texas (AWWA) B. Hildebrand, Carlon Meter Inc., Grand Haven, Mich. (AWWA) M.C. Johnson, Utah State University, Logan, Utah (AWWA) M.J. Kebles, Water Industry Consultant, Las Vegas, Nev.

17、(AWWA) R.N. Koch, Master Meter Inc., Pittsburgh, Pa. (AWWA) D.J. Kullmann, Neptune Technology Group Inc., Marietta, Ga. (AWWA) A. Land, Dallas Water Utilities, Dallas, Texas (AWWA) K.C. Molli, Veolia Water North America, Chicago, Ill. (AWWA) J. Pintok, RG3 Meter Company Inc., Sanford, Fla. (AWWA) J.

18、A. Reiss, Elster AMCO Water LLC, Ocala, Fla. (AWWA) J.R. Scarborough III, Neptune Technology Group Inc., Tallassee, Ala. (AWWA) T. Smith, Sensus, Raleigh, N.C. (AWWA) S.M. Swanson, Sensus, Uniontown, Pa. (AWWA) M.A. Thomas, Mueller Systems, Cleveland, N.C. (AWWA) W.J. Vetter, Master Meter Inc., Mans

19、field, Texas (AWWA) A.M. Watson, Elster AMCO Water LLC, Ocala, Fla. (AWWA) Copyright 2015 American Water Works Association. All Rights Reserved. iv The AWWA Standards Committee on Water Meters, which reviewed and approved this standard, had the following personnel at the time of approval: Thomas A.

20、Kelly Jr., Chair Michael L. Mastic, Secretary General Interest Members D. Faber, Faber & Associates, Columbus, Ind. (AWWA) R.C. Graff, Poway, Calif. (AWWA) D.E. Hood, M.E. Simpson Company Inc., Valparaiso, Ind. (AWWA) M.C. Johnson, Utah State University, Logan, Utah (AWWA) M.J. Kebles, Water Industr

21、y Consultant, Las Vegas, Nev. (AWWA) F.S. Kurtz,* Standards Engineer Liaison, AWWA, Denver, Colo. (AWWA) M.L. Mastic, MARS Company, Ocala, Fla. (AWWA) R.A. Richter, National Institute of Standards and Technology, Gaithersburg, Md. (AWWA) F.S. Salser Jr., Floyd S. Salser Jr. & Associates MARS Company

22、, Ocala, Fla. (AWWA) R. San Giacomo, R & D Engineering P.C., Orchard Park, N.Y. (AWWA) J.A. Welsh, Measurement Canada, Ottawa, Ont., Canada (AWWA) Producer Members F.J. Begale, Badger Meter, Milwaukee, Wis. (AWWA) T.D. Bianchi, Neptune Technology Group Inc., Tallassee, Ala. (AWWA) D. Casper, Mueller

23、 Systems, Cleveland, S.C. (AWWA) G.H. De Jarlais, Badger Meter, Milwaukee, Wis. (AWWA) A. Dudley, Itron, West Union, S.C. (AWWA) L. Gregory, RG3 Meter Company Inc., Longview, Texas (AWWA) A. Hendey Sr., Hendey Meter, Beaumont, Calif. (AWWA) M.J. Keilty, Endress + Hauser Flowtec AG, Estes Park, Colo.

24、 (AWWA) R.N. Koch, Master Meter Inc., Pittsburgh, Pa. (AWWA) D.J. Kullmann, Neptune Technology Group Inc., Marietta, Ga. (AWWA) M. Laird, Metron-Farnier LLC, Boulder, Colo. (AWWA) J.F. Panek Jr., McCrometer Inc., Rowley, Iowa (AWWA) J. Pintok, RG3 Meter Company Inc., Sanford, Fla. (AWWA) * Liaison,

25、nonvoting Alternate Copyright 2015 American Water Works Association. All Rights Reserved. v J.A. Reiss,*Elster AMCO Water LLC, Ocala, Fla. (AWWA) M. Shamley, Metron-Farnier LLC, Boulder, Colo. (AWWA) T. Smith,*Sensus, Raleigh, N.C. (AWWA) S.M. Swanson, Sensus, Uniontown, Pa. (AWWA) M.A. Thomas, Muel

26、ler Systems, Cleveland, N.C. (AWWA) W.J. Vetter,* Master Meter Inc., Mansfield, Texas (AWWA) G.M. Voss,* McCrometer Inc., Hemet, Calif. (AWWA) A.M. Watson, Elster AMCO Water LLC, Ocala, Fla. (AWWA) User Members M.L. Aigen, Boston Water and Sewer Commission, Roxbury, Mass. (NEWWA) J. Alongi, Kansas C

27、ity Water Services Department, Kansas City, Mo. (AWWA) M.J. Aragon, Denver Water, Denver, Colo. (AWWA) M.C. Bowen, City of Columbus, Division of Water, Columbus, Ohio (AWWA) W.F. Dunnill, Consolidated Utility District of Rutherford County, Murfreesboro, Tenn. (AWWA) W.M. Garfield, Arizona Water Comp

28、any, Phoenix, Ariz. (AWWA) D. Griffin, City of Winnipeg Water and Waste Department, Winnipeg, Man., Canada (AWWA) P.A. Hayes, Mammoth Community Water District, Mammoth Lakes, Calif. (AWWA) N.D. Kaufman, Truckee Donner Public Utility District, Truckee, Calif. (AWWA) T.A. Kelly Jr., Washington Suburba

29、n Sanitary Commission, Laurel, Md. (AWWA) M.S. Krause, Desert Water Agency, Palm Springs, Calif. (AWWA) A. Land, Dallas Water Utilities, Dallas, Texas (AWWA) S.U. Mills-Wright, Standards Council Liaison, City of Arlington, Arlington, Texas (AWWA) K.C. Molli, Veolia Water North America, Chicago, Ill.

30、 (AWWA) J.A. Novak, Milwaukee Water Works, Milwaukee, Wis. (AWWA) J.H. Standi Jr., Golden State Water Company, Fontana, Calif. (AWWA) * Alternate Liaison, nonvoting Copyright 2015 American Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2015 American Water Work

31、s Association. All Rights Reserved. vii Contents All AWWA standards follow the general format indicated subsequently. Some variations from this format may be found in a particular standard. SEC. PAGE SEC. PAGE Foreword I Introduction . ix I.A Background ix I.B History . ix I.C Acceptance x II Specia

32、l Issues. xii II.A Fire Flow. xii III Use of This Standard . xii III.A Purchaser Options and Alternatives . xii III.B Modication to Standard . xiii IV Major Revisions xiii V Comments . xiv Standard 1 General 1.1 Scope 1 1.2 Purpose . 1 1.3 Application 1 2 References 2 3 Definitions . 4 4 Requirement

33、s 4.1 Materials. 4 4.2 General Design . 8 4.3 Detailed Design 11 5 Verification 5.1 Rejection . 15 6 Delivery 6.1 Marking 15 6.2 Packaging and Shipping 15 6.3 Affidavit of Compliance 15 Appendixes A Bibliography 17 B Supplemental Information B.1 Units of Measure . 19 B.2 Register Dial Types . 19 B.3

34、 Tests 19 B.4 Testing Equipment 21 B.5 Registration Accuracy . 21 B.6 Periodic Tests 23 B.7 Meter Storage 23 B.8 Installation 24 Tables 1 Characteristics of Displacement-Type Meters . 9 2 Dimensional Design Limits for Meters and External Connections . 10 3 Flange Dimensions 12 4 Maximum Indication o

35、n Initial Dial and Minimum Register Capacity . 13 B.1 Most Frequently Used Intervals Between Meter Tests . 23 Copyright 2015 American Water Works Association. All Rights Reserved. viii Copyright 2015 American Water Works Association. All Rights Reserved. ix Foreword This foreword is for information

36、only and is not a part of ANSI*/AWWA C700. I. Introduction. I.A. Background. For the past century, no tool available to water utilities has played a greater part in the conservation of water than the water meter. It has reduced waste and distributed the cost of operating a water system in the most e

37、quitable manner possible. Although patents were issued earlier, it is thought that the rst meter produced in the United States was made in 1857. It was a positive-displacement type with recipro- cating pistons. This design consisted of two cylinders and pistons with inlet and outlet ports arranged s

38、o that while water in one cylinder was discharging, the other was lling. Water owing through the meter was subject to pulsation and high friction loss. Other types of displacement meters manufactured before the turn of the 20th century were the rotary piston, oscillating piston, and nutating disc. O

39、nly the oscillating and nutating types remain in production today, as they have proved satisfactory for meter- ing domestic water services. I.B. History. Standardization of water meters was a matter of concern for many years before the rst standard was adopted. An AWWA committee appointed in 1913 pr

40、oposed the adoption of standards on overall meter lengths and connections in 1915 and 1916. The standards were not adopted officially but were recorded in the proceedings for 1915 and for 1916. The New England Water Works Association (NEWWA), in separate action, appointed a committee in 1916 that pr

41、oduced drafts of standards in 1917. Action on adoption or publication was delayed on the recommendation of manufacturers. In 1916, the meter manufacturers, which for several years had worked informally on the matter of meter standards, formally organized a meter standards committee on which most of

42、the meter manufacturers were represented. The records indicate that those who were not represented were kept informed of the committees activities and given the opportunity to comment on drafts of proposed standards. * American National Standards Institute, 25 West 43rd Street, Fourth Floor, New Yor

43、k, NY 10036. AWWA Proceedings 35th Year, Journal of the American Water Works Association, 3:283 (1915). AWWA Proceedings 36th Year, Journal of the American Water Works Association, 2:690 (1916). Copyright 2015 American Water Works Association. All Rights Reserved. x On Mar. 910, 1920, the AWWA and N

44、EWWA committees met for the rst time as a joint committee to review drafts of a proposed standard that had been prepared by the manufacturers committee. Subcommittees appointed at that meeting prepared a nal draft that was approved by the joint committee and submitted to both asso- ciations for appr

45、oval. AWWA adopted the standard on June 9, 1921, and NEWWA adopted it on Sept. 14, 1921. The standard, the rst for any type of meter, was titled “Standard Specications for Cold-Water Meters, Disc Type.” The rst revision of the standard was approved as tentative by AWWA on Oct. 31, 1941. The effectiv

46、e date of the standard was delayed until Jan. 1, 1943. On Mar. 15, 1943, it was approved by NEWWA. The document was advanced from tentative to standard by AWWA on May 10, 1946. Emergency alternative provisions were imposed by the War Production Board from Dec. 1, 1942, to Jan. 8, 1945. Emergency pro

47、visions were imposed again on Jan. 1, 1952. The next edition of the standard was approved by AWWA as tentative on Jan. 23, 1961, and was later advanced to standard without revision on Feb. 11, 1964, and sub- sequently revised on Jan. 24, 1971, May 8, 1977 , Jan. 28, 1990, June 17 , 1995, June 16, 20

48、02, and Jan. 25, 2009. This edition was approved on Jan. 24, 2015. 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 certificati

49、on program for direct and indirect drinking water additives. Other members of the original consortium included the Water Research Foundation (formerly AwwaRF) and the Conference of State Health and Environmental Managers (COSHEM). The American Water Works Association (AWWA) and the Association of State Drinking Water Administrators (ASDWA) joined later. In the United States, authority to regulate products for use in, or in contact with, drinking water rests with individual states.* Local agencies may choose to impose requirements

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