Saturday, March 30, 2019

ASME B31.3 Process Piping Guide (Revision 2)




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Description
This Guide provides information for the proper application of the ASME B31.3 Code "Process Piping,” It was last updated for the 2002 edition. ASME B31.3 applies to process piping and tubing systems at Los Alamos National Laboratory (LANL). This Guide also contains ASME B31.1 and AWWA compliant Piping Specifications. Guide users are responsible for compliance with all aspects of the applicable Code. This Guide addresses only B31.3, however this guidance is typical of the requirements of other piping Codes.

The information contained in this Guide provides clarification to the Code text, additional information not contained in ASME B31.3, and design input specific to LANL. This Guide is not to be used as a stand-alone document. This Guide is formatted to be used in conjunction with ASME B31.3, by following the same section numbering as B31.3 Code. Appendix references herein are to this Guide, not B31.3 or the ESM, unless otherwise noted.

Content:-
PURPOSE
B31.3 INTRODUCTION
I - SCOPE AND DEFINITIONS
II - DESIGN
III - MATERIALS
IV -STANDARDS FOR PIPING COMPONENTS
V - FABRICATION, ASSEMBLY AND ERECTION
VI - INSPECTION, EXAMINATION AND TESTING
APPENDIX A – PIPING SPECIFICATIONS
APPENDIX B – FLUID SERVICE SHEETS
APPENDIX C – MATERIALS SELECTION
APPENDIX D – VALVE SELECTION GUIDE
APPENDIX E – FLANGED CONNECTIONS
APPENDIX F – ALIGNMENT FIT-UP TOLERANCES
APPENDIX G – COMPONENT IDENTIFICATION
APPENDIX H – LEAK/PRESSURE TESTING
APPENDIX I – STRESS ANALYSIS
APPENDIX J – FILLET WELD SIZES
APPENDIX K – CLEANING CARBON AND STAINLESS STEEL PIPE
APPENDIX L – BURIED PROCESS PIPE
APPENDIX M – MITERED JOINTS
APPENDIX N – BRANCH CONNECTIONS
APPENDIX O - SAFETY CLASS PIPING SYSTEMS
APPENDIX P – REPAIRS, MODIFICATIONS AND MAINTENANCE
APPENDIX Q - APPLICATION OF ASME B31.3 TO RADIOACTIVE FLUIDS
APPENDIX R – DEFINITION OF ACRONYMS








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