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ASME_A112.18.1-2003.pdf
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ASME_A112 18.1 2003
ASME A112.18.12003(Revision of ASME A112.18.1-2000)PLUMBINGFIXTOREAN A MERICAN NATIONAL STANDARDSmThe American Society ofMechanical EngineersCOPYRIGHT 2003:American Society of Mechanical EngineersDocument provided by IHS Licensee-Hong Kong Polytechnic Univ/9976803100.User-.090520030:1909i/DT01nts about this message:please callthe Document Policy Group at 1-800-451-1584.Date of Issuance:May 30.2003This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/www.asme.org/codes/as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorseany item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovemment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2003 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.COPYRIGHT 2003:American Society of Mechanical EngineersDocument.In memory of,and dedicated to the life of,our dear friend,colleague,and long-standing leader,Patrick J.Higgins.COPYRIGHT 2003:American Society of Mechanical Engineersthe Document Polcy Group at 1-800-451-1584.CONTENTSForew0rdviCommittee Roster.viiCorrespondence With the A112 Committeeix1 General12 General Requirements0今Testingb4Special Requirements.115 Marking Requirements.,.12Figures1Example of Air Gap22Discharge Capacity Test Schematics.9Standard Shank Inlet Dimensions.11Tables1Inspection Performance Test Requirements.2 Bending Loads on Fittings.3Thread Assembling Torques.774Valve Operating Requirements65Minimum and Maximum Flow Rates.106Life Test.10Nonmandatory AppendixA Government Requirements.13COPYRIGHT 2003:American Society of Mechanical Engineershe Document Policy Group at 1-800-451-1584.

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