AWWA C111 A21 11-2012 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings.pdf

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1、 ANSI/AWWA C111/A21.11-12 (Revision of ANSI/AWWA C111/A21.11-07) AWWA Standard Effective date: Nov. 1, 2012. First edition approved by AWWA Board of Directors July 16, 1953. This edition approved June 10, 2012. Approved by American National Standards Institute Aug. 16, 2012. 6666 West Quincy Avenue

2、Advocacy Denver, CO 80235-3098 Communications T 800.926.7337 Conferences www.awwa.org Education and TrainingScience and TechnologySections The Authoritative Resource on Safe Water Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings SM Copyright 2012 American Water Works Association. All

3、 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 administrative information normally contained in specifi- cations. The AWWA s

4、tandards 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 publication of a standard does not constitute endorsement of any product or product type, nor does AWWA test, c

5、ertify, 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. AWWA standards are intended to represent a consensus of the water supply indus

6、try that the product described will provide satisfactory service. When AWWA revises or withdraws this standard, an official notice of action will be placed on the first page of the Official Notice section of Journal - American Water Works Association. The action becomes effective on the first day of

7、 the month following 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 and provisions. An American National Standard is intended as a

8、 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 approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures n

9、ot conforming to the standard. Ameri- can 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 encouraged to state on their own responsibility in advertising and promotio

10、nal 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 standard indicates completion of the ANSI approval process. This Amer

11、ican 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 National Standards may receive current information on all standa

12、rds by calling or writ- ing 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: 978-1-58321-897-6 eISBN-13, electronic: 978-1-61300-190-5 ISBN-10, print: 1-58321-897-1 eISBN-10, electronic: 1-6130

13、0-190-8 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 for review purposes, without the

14、 written permission of the publisher. Copyright 2012 by American Water Works Association Printed in USA Copyright 2012 American Water Works Association. All Rights Reserved. iii Committee Personnel Subcommittee 2, Joints for Pipe and Fittings, which reviewed and developed this revision, had the foll

15、owing personnel at the time: Hal Eddings, Chair General Interest Members P.I. McGrath Jr., Birmingham, Ala. (AWWA) E.W. Misichko, Underwriters Laboratories, Northbrook, Ill. (UL) E.S. Ralph,* Standards Engineer Liaison, AWWA, Denver, Colo. (AWWA) P.A. Selig, Consultant, Birmingham, Ala. (AWWA) Produ

16、cer Members J.H. Eddings, McWane Inc., Birmingham, Ala. (AWWA) M.D. Gaston, American Cast Iron Pipe Company, Birmingham, Ala. (DIPRA) R.J. Huggins, Griffin Pipe Products Co., Lynchburg, Va. (DIPRA) H. Kennedy Jr., Harold Kennedy (2) inclusion of reduced ductile-iron mechanical-joint pipe bell thickn

17、esses that are compatible with pipe barrel thicknesses; (3) inclusion of tee-head bolts with reduced shank diameters that are properly sized to accept rolled threads; (4) minimum elonga- tion increased to 5 percent for ductile-iron glands; (5) deletion of the 2-in. and 2 1 /2-in. sizes; and (6) mark

18、ing requirements for the tee-head bolts and nuts. A 1984 addendum was issued to increase the thread length on 5 /8-in. 3-in. and 3 /4-in. 3 1 /2-in. tee-head bolts by 1 /4 in. and to permit polygon-shaped bells on fittings. The major revisions in the 1985 edition included the addition of Sec. 11-1.3, Modi- fications to Push-on and Mechanical Joints; revision of Sec. 11-2.5 defining the manu- facturer as the party that produces joints according to this standard; and the addition Copyright 2012 American Water Works Association. All Rights Reserved.