1、ANSI/AWWA C221-18 (Revision of ANSI/AWWA C221-12) AWWA Standard SM Fabricated Steel Mechanical Sli p- Type Expansion Joints Effective date: July 1, 2018. First edition approved by AWWA Board of Directors Feb. 2, 1997. This edition approved Jan. 20, 2018. Approved by American National Standards Insti
2、tute Feb. 14, 2018. Copyright 2018 American Water Works Association. All Rights Reserved. ii If you are interested in using any part of this publication for training, creating a derivative work, or for any commercial use, written permission from AWWA is required. Please send your request to permissi
3、onsawwa.org. 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 administrative information normally contained in specifications. The AWWA standards u
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5、 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. AWWA standards are intended to represent a consensus of the water industry that the prod
6、uct 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 Association. The action becomes effective on the first day of the month following the month of Jou
7、rnal AWWA publication of the official notice. American 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 publi
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10、onformity with particular American National Standards. 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 This American National Standard may be revised or withdrawn at any time.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
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12、25 West 43rd Street, Fourth Floor, New York, NY 10036; (212) 642-4900, or emailing infoansi.org. ISBN-13, print: 978-1-62576-294-8 eISBN-13, electronic: 978-1-61300-475-3DOI: http:/dx.doi.org/10.12999/AWWA.C221.18 All rights reserved. No part of this publication may be reproduced or transmitted in a
13、ny form or by any means, electronic or mechanical, including scanning, recording, or any information or retrieval system. Reproduction and commercial use of this material is prohibited, except with written permission from the publisher. Copyright 2018 by American Water Works Association Printed in U
14、SA Copyright 2018 American Water Works Association. All Rights Reserved. iii Committee Personnel The Steel Water Pipe-Manufacturers Technical Advisory Committee (SWMPTAC) Task Group for AWWA C221, which reviewed and revised this standard, had the following personnel at the time: Ram N. Satyarthi, Ch
15、air Chris Shelley, Vice-Chair E. Bird, Smith-Blair Inc., Texarkana, Texas S. Bradberry, Ford Meter Box Company, Pell City, Ala. R.J. Card, Manufacturing Consultant, Houston, Texas A. Collins, JCM Industries, Nash, Texas T.C. Crail, Straub Coupling, Bonsall, Calif. J. Forni, Jifco Inc., Livermore, Ca
16、lif. J. Grocki, Advantage Resources Consulting, LLC, Enfield, Conn. J. Olmos, Ameron, Rancho Cucamonga, Calif. D. Pointek, Total Piping Solutions Inc., Olean, N.Y. J. Reinheimer, Robar Industries, Surrey, B.C. R.N. Satyarthi, Baker Coupling Company Inc., Los Angeles, Calif. C. Shelley, Victaulic Com
17、pany Doraville, Ga. A. Steffan, Dresser Inc., Bradford, Pa. G. Tate, Viking Johnson, Ipswich, Suffolk, UK N. Thogersen, Romac Industries Inc., Bothell, Wash. The AWWA Standards Committee on Steel Pipe, which reviewed and approved this standard, had the following personnel at the time of approval: Jo
18、hn H. Bambei, Jr., Chair Dennis Dechant, Vice-Chair John L. Luka, Secretary General Interest Members J.H. Bambei, Jr., Bambei Engineering Services, Arvada, Colo. R.J. Card, Lockwood Andrews or specification, tolerance, and preparation of pipe ends (Sec. 4.2.3.2). * Bonds, R.W. 2004. Effect of Chloramines on Ductile-Iron Pipe Gaskets of Various Elastomer Compounds. Journal AWWA, 96:4:153160. Copyright 2018 American Water Works Association. All Rights Reserved.
