ASME_PCC-1-2010.pdf

Guidelines for Pressure Boundary Bolted Flange Joint AssemblyAN AMERICAN NATIO NAL STANDARDASME PCC-12010(Revision of ASME PCC-12000)-,-,-INTENTIONALLY LEFT BLANK-,-,-标准分享网 w w w.b z f x w.c o m 免费下载w w w.b z f x w.c o mASME PCC-12010(Revision of ASME PCC-12000)Guidelines forPressure BoundaryBolted Flange JointAssemblyAN AMERICAN NATIONAL STANDARD-,-,-w w w.b z f x w.c o mDate of Issuance:March 5,2010This 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 thisdocument.Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org 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 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 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 assumes 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 asgovernment 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 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.-,-,-标准分享网 w w w.b z f x w.c o m 免费下载w w w.b z f x w.c o mCONTENTSForeword.vCommittee Roster.vi1Scope.12Introduction.13Training,Qualification,and Certification of Joint Assembly Personnel.14Cleaning and Examination of Flange and Fastener Contact Surfaces.15Alignment of Flanged Joints.26Installation of Gasket.27Lubrication of“Working”Surfaces.58Installation of Bolts.59Numbering of Bolts When a Single Tool Is Used.610Tightening of Bolts.611Tightening Sequence When a Single Tool Is Used.1012Target Torque Determination.1013Joint Pressure and Tightness Testing.1114Records.1115Joint Disassembly.1516References.16Figures1Indicator-Type Bolting for Through-Bolted Joints.82Indicator-Type Bolting for Studded Joints.93Example Legacy Pattern 12-Bolt Tightening Sequence.14448-Bolt Flange Bolt Grouping Example.15Tables1MReference Values for Calculating Target Torque Values for Low-Alloy SteelBolting Based on Target Prestress of 345 MPa(Root Area)(SI Units).31Reference Values for Calculating Target Torque Values for Low-Alloy SteelBolting Based on Target Prestress of 50 ksi(Root Area)(U.S.CustomaryUnits).42Torque Increments for Legacy Cross-Pattern Tightening Using a Single Tool.73Recommended Tool,Tightening Method,and Load-Control TechniqueSelection Based on Service Applications.114Legacy Cross-Pattern Tightening Sequence and Bolt Numbering SystemWhen Using a Single Tool.124.1Alternative to Legacy Cross-Pattern Tightening Sequence and BoltNumbering System When Using a Single Tool.13AppendicesANotes Regarding Qualifying Flanged Joint Assemblers.19BRecommendations for Flanged Joint Assembly Procedure Qualification.20iii-,-,-w w w.b z f x w.c o mCRecommended Gasket Contact Surface Finish for Various Gasket Types.21DGuidelines for Allowable Gasket Contact Surface Flatness and DefectDepth.22EFlange Joint Alignment Guidelines.27FAlternatives to Legacy Tightening Sequence/Pattern.30GUse of Contractors Specializing in Bolting Services.44HBolt Root and Tensile Stress Areas.45IInteraction During Tightening.46JCalculation of Target Torque.47KNut Factor Calculation of Target Torque.48LASME B16.5 Flange Bolting Information.49MWasher Usage Guidance and Purchase Specification for Through-HardenedWashers.50NDefinitions,Commentary,and Guidelines on the Reuse of Bolts.55OAssembly Bolt Stress Determination.57PGuidance on Troubleshooting Flanged Joi