ASMEPCC-1-2022 (RevisionofASMEPCC-1-2019)
Pressure Boundary Bolted Flange Joint Assembly
ANAMERICANNATIONALSTANDARD
E The American Societyof Mechanical Engineers Two Park Avenue New York, NY 10016 USA
Date of Issuance: Segtember 30, 2022
This Standard will be revised when the Society approves the issuance of a new edition. ASME issues writtenreplies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations are publishedon the Committee web page andunder certain actionsof the ASME PCC Committee may be published as Cases. Cases are published on the ASME website under the PCC Committee Page at as they are issued. Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical or grammatical errors in codes and standards. Such errata shall be used on the date posted. The PCC Committee Page can be found at There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting *Errata* in the *Publication Information* section.
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CONTENTS
Foreword IIA Committee Roster vill Correspondence With the PCC Committe lx Summary of Changes 1Scope ... 2Introduction . . 3Training and Qualification of Bolted foint Assembly Personnel 4Cleaning of Gasket Seating Surfaces of Flanges 5Examination of Flange and Fastener Contact Surfaces 6Alignment of Flange foints .3 7Installation of Gasket . 8Lubrication 9Installation of Bolts 10Tightening Procedure . 11Optional Practices 12Joint Pressure and Tightness Testing - 13Records 14Joint Disassembly 15References Mandatory Appendix 1Definitions .10 Nonmandatory Appendices A Training and Qualification of Bolted Joint Assembly Personnel15 B Description of Common Terms . . .24
Remended Gasket Seating Surface Finish for Various Gasket Types25 D Guidelines for Allowable Gasket Seating Surface Flatness and Defect Depth26 E Flange Joint Alignment Guidelines ..... . .31 F Joint-Tightening Practices and Patterns . .34 G Single-Stud Replacement . .. 48 H Bolt Root and Tensile Stress Areas ........49 I Interaction During Tightening ---51
Optional Practices for Flange Joint Assembly - -52 K Nut Factor Calculation of Target Torque . 56 L ASME B16.5 Flange Bolting Information58 M Washer Usage Guidance and Purchase Specifications for Through- Hardened Washers59
N Definitions, Commentary, and Guidelines on the Reuse of Bolts . 64 0Assembly Bolt Stress Determination - 66 P Troubleshooting Flange Joint Leakage .. 82 Q Considerations for the Use of Powered Equipment .93 R Assembly Records Management .99 Figures 8-1Examples of Lubrication Application -5 D-2-1 Flange Circumferential Variation Tolerance, T127 D-2-2 Flange Radial Variation Tolerance, T2 . 28 D-3-1 Flange Surface Damage Assessment: Pits and Dents - 29 D-3-2 Flange Surface Damage Assessment: Scratches and Gouges . .* *29 D-4-1 RTJ Gasket Seating Surface Assessment ........... .30 E-2-1 Centerline High/Low -32 E-2-2 Excessive Spacing Gap E-2-3 Parallelism32 E-2-4 Rotational Two-Hole33 F-6.1.1.2.1-1 Pattern #1 (Star Patterm}: 24-Bolt Basic Example 38 F-6.1.1.2.2-1 Pattern #1 (Star Pattern): 24-Bolt Mo...
完整英文版 ASME PCC-1–2022 压力边界螺栓法兰连接安装指南.pdf
