1、AN AMERICAN NATIO NAL STANDARDTrim for Water-Closet Bowls,Tanks,and UrinalsASME A112.19.5-2005(Revision of ASME A112.19.5-1999)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is
2、 permitted.Uncontrolled when printed.ASME A112.19.5-2005(Revision of ASME A112.19.5-1999)Trim forWater-ClosetBowls,Tanks,and UrinalsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 b
3、y Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:April 20,2006This 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
4、inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME website 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 w
5、as 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 standar
6、d was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with
7、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 e
8、xpresslyadvised 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 asgovernment or industry endorse
9、ment 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
10、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 2006 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted material lic
11、ensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.viCorrespondence With the A112 Committee.vii1General.12Design Requirements.13P
12、erformance Requirements.14Test Procedures.25Identification.5Figures1Standard Flush Valve for Gravity Flush Tanks.42Flush Elbows.4Tables1Dimensions of Regular Spuds.22Dimensions of Reducing Spuds.3Nonmandatory AppendixAThread Dimensions(Class 1).7iiiCopyrighted material licensed to Stanford Universit
13、y by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDIn a letter dated April 8,1965,the Plumbing Fixture Manufacturers Association requested thecooperation of the Office of Commodity Sta
14、ndards now the Office of Engineering StandardsServices,National Institute of Standards and Technology(NIST)in the revision of CommercialStandard CS172-50,Brass Trim for Water-Closet Bowls,Tanks,and Urinals(Dimensional Stan-dards)and submitted a draft of the proposed revision prepared by the Standard
15、s Committee ofthat organization.The principal changes in the revision consisted of the standardization of thethreads of such trim to comply with the latest requirements of Screw Thread Standards for FederalServices and American Standards Association Specification B1.1-1960,Screw Threads(R1974),and B
16、2.1-1960,Pipe Threads(Except Dryseal)(R1968).The word“brass“was deleted from thetitle of the standard to provide latitude for the use of plastics for such trim.A draft of the recommended revision was prepared by the Office of Commodity Standardsand approved by a majority of the Standing Committee.Subsequently,the Office of CommodityStandards circulated the Recommended Revision of Commercial Standard CS172-50,Trim forWater-Closet Bowls,Tanks,and Urinals(Dimensional Standards),TS-5677A,to the trad
