1、ASME A128.22002PLUMBINGEMS亚AN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersCopyright by the American Society Of Mechanical EngineersDate of issuance:July 1,2002The next edition of this Standard is scheduled for publication in 2007.Therewill be no addenda or written interpreta
2、tions of the requirements of thisStandard issued to this edition.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 forAmerican Nationa!Standards.The Standards Committee that approve
3、d the code or standardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate.The proposed code or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry,academia,reg
4、ulatory agencies,and the public-at-large.ASME docs not approve,rate,orendorseany item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted inconnection with any items montioned in this document,and does not undertake t
5、o insure anyoneutilizing a standard against liability for infringement of any applicable letters patent,nor assumeany such liability.Users of a code or standard are expressly advised that determination of thevalidity of any such patent rights,and the risk of infringement of such rights,is entirely t
6、heirown responsibility.Participation by federal agcncy representative(s)or person(s)affiliated with industry is not tobe interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued inaccordance with the
7、 established ASME procedures and policics,which precludes the issuanceof interpretations by individuals.No part of this document may bo reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical Engin
8、eersThree Park Avenue.New York,NY 10016-5990Copyright 2002 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.CONTENTSForewordCommittee Rostervi.1.1Scope11.2Units of Measurement.11.3Illustrations1.4References11.5 Detinitions32 General Requirements62.1Materials.,.,.,62.
9、2Coatings and Finishes62.3 Corrosion Resistance62.4Installation62.5Threads62.6Soider Connections.62.7Replacement Parts62.8 Dimensions72.9Compatibility With Fixtures.73 Specific Requirements73.I Drains and Strainers73.2Cast Brass Trap Parts.73.3 Diversion Tee or Twin Waste Elbow83.4Subdrains for Built-up Shower Pans.84Testing.84.1 Selection of Test Samples84.2Minimum Flow Rates84.3Strength Tests.84.4Life Cycle Test84.5Lcakagc Tcst.84.6Thermal Cyeling Test95 Marking Requirements95.】Product95.2 Packaging9FiguresI Trap Wall Adapter22 Trap.3 Diversion Tee2
