Guide B31.1

LANL Engineering Standards Manual PD342
Section D20-B31.3-G, ASME B31.3 Process Piping Guide

Chapter 17 Pressure Safety Rev. 2, 3/10/09

ASME B31.3 Process Piping Guide
Revision 2

RECORDS OF REVISION
Rev 0 1 2 Date 11/5/02 6/9/04 3/10/09 Description Initial issue in Section 200 of LANL Engineering Manual Mechanical Chapter. Administrative changes to become ESM MechanicalChapter Section D20 Appendix A. Administrative changes to become ESM Pressure Safety Chapter 17 Section D20-B31.3-G POC Tobin Oruch, FWO-SEM Charles DuPrè, FWO-DECS Charles DuPrè, ES-DE OIC Kurt Beckman, FWO-SEM Gurinder Grewal, FWO-DO Kirk Christensen, CENG-OFF

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LANL Engineering Standards Manual PD342
Section D20-B31.3-G, ASME B31.3 Process Piping Guide TABLE OF CONTENTSChapter 17 Pressure Safety Rev. 2, 3/10/09

PURPOSE .................................................................................................................................................................... 3 B31.3 INTRODUCTION............................................................................................................................................. 3 I - SCOPEAND DEFINITIONS ................................................................................................................................ 4 II - DESIGN ................................................................................................................................................................. 5 III - MATERIALS..................................................................................................................................................... 15 IV -STANDARDS FOR PIPING COMPONENTS ................................................................................................ 15 V - FABRICATION, ASSEMBLY AND ERECTION ........................................................................................... 16 VI - INSPECTION,EXAMINATION AND TESTING ......................................................................................... 20 APPENDIX A – PIPING SPECIFICATIONS ........................................................................................................ 25 APPENDIX B – FLUID SERVICE SHEETS......................................................................................................... 78 APPENDIX C – MATERIALS SELECTION ........................................................................................................ 98 APPENDIX D – VALVE SELECTION GUIDE................................................................................................... 103 APPENDIX E – FLANGED CONNECTIONS..................................................................................................... 116 APPENDIX F – ALIGNMENT FIT-UP TOLERANCES.................................................................................... 123 APPENDIX G – COMPONENT IDENTIFICATION ......................................................................................... 128 APPENDIX H – LEAK/PRESSURE TESTING................................................................................................... 136 APPENDIX I – STRESS ANALYSIS .................................................................................................................... 142 APPENDIX J – FILLET WELD SIZES................................................................................................................ 148 APPENDIX K – CLEANING CARBON AND STAINLESS STEELPIPE....................................................... 153 APPENDIX L – BURIED PROCESS PIPE .......................................................................................................... 159 APPENDIX M – MITERED JOINTS ................................................................................................................... 160 APPENDIX N – BRANCH CONNECTIONS...