1、 ANSI/AWWA C153/A21.53-11 (Revision of ANSI/AWWA C153/A21.53-06) AW WA Standard Effective date: Nov. 1, 2011. First edition approved by AWWA Board of Directors Jan. 30, 1984. This edition approved June 12, 2011. Approved by American National Standards Institute Aug. 8, 2011. 6666 West Quincy Avenue
2、Advocacy Denver, CO 80235-3098 Communications T 800.926.7337 Conferences www.awwa.org Education and Training Science and Technology Sections The Authoritative Resource on Safe Water Ductile-Iron Compact Fittings SM Copyright2011AmericanWaterWorksAssociation.AllRightsReserved. ii AWWA Standard This d
3、ocument is an American Water Works Association (AWWA) standard. It is not a specication. AWWA standards describe minimum requirements and do not contain all of the engineering and administrative information normally contained in speci- cations. The AWWA standards usually contain options that must be
4、 evaluated by the user of the standard. Until each optional feature is specied by the user, the product or service is not fully dened. AWWA publication of a standard does not constitute endorsement of any product or product type, nor does AWWA test, certify, or approve any product. The use of AWWA s
5、tandards is entirely voluntary. This standard does not supersede or take precedence over or displace any applicable law, regulation, or codes of any governmental authority. AWWA standards are intended to represent a consensus of the water supply industry that the product described will provide satis
6、factory service. When AWWA revises or withdraws this standard, an ofcial notice of action will be placed on the rst page of the ofcial notice section of Journal AWWA. The action becomes effective on the rst day of the month following the month of Journal AWWA publication of the ofcial notice. Americ
7、an National Standard An American National Standard implies a consensus of those substantially concerned with its scope and 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 do
8、es not in any respect preclude anyone, whether that person has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. Ameri- can National Standards are subject to periodic review, and users are cautioned to
9、 obtain the latest editions. Producers of goods made in conformity with an American National Standard are encouraged 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 Standard
10、s. CAUTION NOTICE: The American National Standards Institute (ANSI) approval date on the front cover of this standard 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 reafrm, re
11、vise, or withdraw this standard no later than ve years from the date of publication. Purchasers of American 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
12、) 642-4900, or e-mailing infoansi.org. 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 quotations f
13、or review purposes, without the written permission of the publisher. Copyright 2011 by American Water Works Association Printed in USA Copyright2011AmericanWaterWorksAssociation.AllRightsReserved. iii Committee Personnel Subcommittee 3, Fittings, which developed this standard, had the following pers
14、onnel at the time: Larry R. Dunn, Chair General Interest Members P.I. McGrath Jr., Consultant, Birmingham, Ala. (AWWA) E.S Ralph,* Standards Engineer Liaison, AWWA, Denver, Colo. (AWWA) P.A. Selig, Vestavia Hills, Ala. (AWWA) Producer Members S. Bhattacharji, Sigma Corporation, Cream Ridge, N.J. (AW
15、WA) M. Bowsher, Star Pipe Products Inc., Houston, Texas (AWWA) L.R. Dunn, US Pipe however, it continues to maintain its representation on the A21 committee. In 1997 , AGA withdrew as co-secretariat. e present scope of Committee A21 activity is the development of standards and manuals addressing duct
16、ile-iron pressure pipe for water and ductile-iron and gray-iron ttings for use with such pipe. ese standards and manuals include topics such as design, dimensions, materials, coatings, linings, joints, accessories, methods of inspection and testing, and installation. e work of Committee A21 is condu
17、cted by subcommittees. e scope of Sub- committee 3, Fittings, includes the periodic review of all current A21 standards for ductile-iron and gray-iron ttings; preparation of revisions and new standards when needed; and examination of other matters pertaining to standards for ttings. I.B. History. At
18、 the meeting of Standards Committee A21 in 1981, Subcommittee 3 was directed to prepare a standard for 3-in. through 12-in. (75-mm * American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036. Copyright2011AmericanWaterWorksAssociation.AllRightsReserved. x through 3
19、00-mm) compact ttings designed to use the attendant strength of ductile iron. e subcommittee was directed to present this standard to the committee for action in 1983. e rst edition of this standard, designated ANSI/AWWA C153/ A21.53-84, ANSI Standard for Ductile-Iron Compact Fittings, 3 In. rough 1
20、2 In. (75 mm rough 300 mm), for Water and Other Liquids, was approved by the AWWA Board of Directors on Jan. 30, 1984, and by ANSI on Feb. 4, 1985. e second edition of this standard, designated ANSI/AWWA C153/A21.53-88, ANSI Standard for Ductile-Iron Compact Fittings, 3 In. rough 16 In., for Water a
21、nd Other Liquids, was approved on June 19, 1988, and by ANSI on July 5, 1988. Major revisions included expansion of the sizes covered to include 14-in. and 16-in. sizes, addition of “long” laying-length sleeves, changes in acceptance testing, and new sections on rejection of ttings and determination
22、 of rejection. e third edition of this standard, designated ANSI/AWWA C153/A21.53-94, ANSI Standard for Ductile-Iron Compact Fittings, 3 In. rough 24 In. (76 mm rough 610 mm) and 54 In. rough 64 In. (1,400 mm rough 1,600 mm), for Water Service, was approved on Jan. 30, 1994, and by ANSI on Aug. 18,
23、1994. Major revisions included expansion of the sizes covered to include 18- through 24-in. sizes and 54- through 64-in. sizes; bends with plain-ends were added; crosses were added; coverage of reducers was expanded to four types, push-on and ange ttings were added; and the appendix on bolts, gasket
24、s, and installation was added. e fourth edition of this standard, designated ANSI/AWWA C153/A21.53-00, ANSI Standard for Ductile-Iron Compact Fittings for Water Service, was approved on Jan. 23, 2000, and by ANSI on June 28, 2000. Major revisions included the introduc- tion of surge allowances, fusi
25、on-bonded epoxy coating systems, and 30- through 48-in. ttings. e fth edition of this standard, designated ANSI/AWWA C153/A21.53-06, ANSI Standard for Ductile-Iron Compact Fittings for Water Service, was approved on Feb. 12, 2006, and by ANSI on May 19, 2006. Major revisions included the deletion of
26、 the gure and table giving details of the mechanical joint and the referencing of ANSI/ AWWA C111/A21.11 for details of mechanical-joint bell, plain end, and accessories. is sixth edition was approved on June 12, 2011. I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) ente
27、red into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certication program for direct and indirect drinking water additives. Other members of the original consortium included the American Water Works Association Research Copyright2011AmericanWaterWorksAssociation.AllRightsReserved.
