ASME_B16.18-2021.pdf

AN AM E R IC AN NAT IO NAL STANDARDASME B16.18-2021(Revision of ASME B16.18-2018)Cast Copper Alloy Solder Joint Pressure FittingsASME B16.18-2021(Revision of ASME B16.18-2018)Cast Copper AlloySolder JointPressure FittingsAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York,NY 10016 USAxDate of Issuance:February 28,2022The next edition of this Standard is scheduled for publication in 2026.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Periodically certainactionsoftheASMEB16CommitteemaybepublishedasCases.CasesandinterpretationsarepublishedontheASMEwebsiteunder the Committee Pages at http:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedon the date posted.TheCommitteePagescanbefoundathttp:/cstools.asme.org/.Thereisanoptionavailabletoautomaticallyreceiveane-mailnotification when errata are posted to a particular code or standard.This option can be found on the appropriate CommitteePage after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunityto participate.The proposed codeorstandardwasmadeavailable forpublic reviewandcommentthatprovidesanopportunityfor additional public input 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 respect to the validity of any patent rights asserted in connection with any items mentioned in thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand policies,that 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 EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2022 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedCONTENTSForeword.vCommittee Roster.viCorrespondence With the B16 Committee.viiSummary of Changes.ixList of Changes in Record Number Order.x1Scope.12General.13PressureTemperature Ratings.14Fitting Size and Ends.15Marking.26Material.27Metal Thickness.28Inspection Tolerance.29Threaded Ends.310Configuration of Threaded Ends.311Production Testing.3Mandatory AppendixIReferences.23Nonmandatory AppendicesAStrength of Solder Joints.24BFitting Rating.26CQuality System Program.27Figure4-1Method of Designating Openings of Fittings.5Tables3.1-1Internal PressureTemperature Ratings for Cast Copper Alloy Fittings,psi(kPa).48.2-1Inspection Tolerances.68.2-2Dimensions of Solder Joint Ends.78.2-3Dimensions of Couplings.88.2-4Dimensions of Elbows,Tees,and 45-deg Elbows.98.2-5Dimensions of Reducing 90-deg Elbows.108.2-6Dimensions of Reducing Tees.118.2-7Dimensions of Caps and Plugs.148.2-8Dimensions of Fitting Reducers.14iii8.2-9Dimensions of Solder Joint Elbows and Tees With Pipe Thread Ends(Straight Sizes).158.2-10Dimensions of Solder Joint Elbows and Tees With Pipe Thread Ends(Reducing Sizes).178.2-11Dimensions of Solder Joint Adapters and Fitting Adapters With Pipe Thread Ends(Straight andReducing Sizes).198.2-12Dimensions of Return Bends(Straight Sizes).208.2-13Dimensions of Supply and Return Tees.208.2-14Dimensions of Baseboard Tees(F F C).218.2-15Dimensions of Tees.218.2-16Dimensions of Baseboard Tees(C F C).218.2-17Dimensions of Flush Bushings(FTG C).228.2-18Dimensions of Flush Bushings(FTG F).22A-1PressureTemperature Ratings.25ivFOREWORDThis American National Standard for solder joint fittings was originally developed by a subcommittee of AmericanStandards Association(ASA)Sectional Committee A40 on Minimum Requirements for Plumbing and Standardization ofPlumbing Equipment,organized in August1928,under the proceduresof the ASA.SubcommitteeNo.11 onSolder-JointFittings for Tubing was appointed in October 1936.At its first meeting,the Subcommittee was informed of the investig