ASME_B73.1-2020.pdf

AN AM E R IC AN NAT IO NAL STANDARD ASME B73.1-2020(Revision of ASME B73.1-2012)Specification forHorizontal End SuctionCentrifugal Pumps forChemical ProcessASME B73.1-2020(Revision of ASME B73.1-2012)Specification forHorizontal End SuctionCentrifugal Pumps forChemical ProcessAN AMERICAN NATIONAL STANDARDxDate of Issuance:September 11,2020This Standard will be revised when the Society approves the issuance of a new edition.Periodicallycertain actions of the ASMEB73 Committeemay be published asCases.Cases are published onthe ASMEwebsiteunder the B73 Committee Page at http:/go.asme.org/B73committee 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.The B73 Committee Page can be found at http:/go.asme.org/B73committee.There is an option available to automaticallyreceive an e-mail notification when errata are posted to a particular code or standard.This option can be found on theappropriate Committee Page 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,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 EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2020 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.vCommittee Roster.viCorrespondence With the B73 Committee.vii1Scope.12References.13Alternative Designs.84Nomenclature and Definitions.85Design and Construction Features for Metallic Pumps.86Design and Construction Features for Thermoplastic and Thermoset Polymer MaterialPumps.207General Information.258Documentation.28Mandatory AppendicesIASME Centrifugal Pump Data Sheet(As of November 2019).32IIMechanical Seal and Packing Configuration Codes.41Nonmandatory AppendixAElectronic Data Exchange.43Figures5.5.3-1Shaft Sleeve Runout.105.6.2-1Cylindrical Seal Chamber.115.6.2-2Self-Venting Tapered Seal Chamber.115.6.2.1-1Seal Chamber Face Runout.125.6.2.1-2Seal Chamber Register Concentricity.125.6.3-1Universal Cover.135.6.4-1Packing Box.145.13.8-1Pump With C-Face Motor Adapter,Short Coupled.216.6.3-1Cover With Bolt on Seal Chamber.236.6.5-1Cover With Clamp Ring.238.3.1-1Sample Outline Drawing.29II-1Mechanical Seal and Packaging Configuration Codes.42Tables1-1Pump Dimensions.21-2Baseplate Dimensions.55.8.1.2-1Pump Material Classification Codes.15iii5.8.1.3-1ASTM Material Specifications.165.8.3.1-1Minimum Requirements for Auxiliary Piping Materials.175.12.1-1Welding Requirements.186.1.1.1-1Thermoplastic and Thermoset Pump Minimum Design Pressures.217.1.9.1-1Published Performance Curve Rated Speeds.267.2.2.3-1Specified Nondestructive Testing Levels.28FormsI-1Centrifugal Pump Data Sheet(U.S.Customary).33I-1MCentrifugal Pump Data Sheet(SI).37ivFOREWORDIn1955,theStandardsCommitteeonCentrifugalPumpsforChemicalIndustryUse,B73,undertookthedevelopmentofcentrifugal pump standards to meet the needs of the chemical industry.Although the Standards Committee had notcompleted its assignment,the work of one of its task forces resulted in the development of a de facto standard that waspublished by the Manufacturing Chemists Association in 1962 as an American Voluntary Standard(AVS).More than adozen manufacturers of chemical process pumps marketed pumps conforming with the AVS.In 1965,the Hydrau