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eTools Home : Ammonia Refrigeration References | Glossary | Viewing / Printing Instructions | Credits References >> ANSI/NB-23 2001 National Board Inspector Code 2001 Edition, NB-23. NB (2001). The National Board Inspection Code (2001). This document provides rules and guidelines for in-service inspection of boilers, pressure vessels, piping and pressure relief valves. It also provides rules for the repair, alteration, and re-rating of pressure-retaining items and repair of pressure relief valves. TABLE OF CONTENTS Part RA-1 - Administrative Requirements Part RB-37 - Inservice Inspection of Pressure Retaining Items Part RC-81 - Repairs and Alterations Part RD-95 - Repair Methods Mandatory Appendices Appendix 1-113, Preparation of Technical Inquiries to the National Board Inspection Code Committee Appendix 2-115, Stamping and Nameplate Information Appendix 3-119, Steam Locomotive Firetube Boiler Inspection and Repair Appendix 4-135, Glossary of Terms Appendix 5-141, National Board Forms Appendix 6-173, Examples of Repairs and Alterations Appendix 7-177, Procedures to Extend the "VR" Certificate of Authorization Stamp to ASME "NV" Stamped Pressure Relief Devices Appendix 8-181, Inspection, Repair and Alteration of Graphite Pressure Equipment Non-mandatory Appendices Appendix A-193, Standard Welding Procedures Appendix B-197, Recommended Preheat Temperatures Appendix C-201, Historical Boilers Appendix D-259, Recommended Guide for the Design of a Test System for Pressure Relief Devices in Compressible Fluid Service Appendix E-265, Recommended Procedures for Repairing Pressure Relief Valves Appendix F-271, Pressure Differential Between Safety or Safety Relief Valve Setting and Boiler or Pressure Vessel Operating Pressure Appendix G-275, Safety Valves on the Low Pressure Side of Steam Pressure Reducing Valves Appendix H-281, Recommended Guide for the Inspection of Pressure Vessels in LP Gas Service 287, Interpretations Part RB - Inservice Inspection of Pressure Retaining Items 1000-40, General 1010-40, Scope 2000-41, Personnel Safety 2010-41, Scope 2020-41, Internal Inspections - Boilers 2030-42, Internal Inspection - Pressure Vessels 3000-44, Inspection Methods 3010-44, Scope 3100-45, Inspection of Boilers 3110-45, General Conditions 3120-45, Pre-Inspection Activities 3130-45, Assessment of Installation, Causes of Deterioration, Types of Defects 3140-46, Evidence of Leakage 3150-46, Inspection of Piping, Parts and Appurtenances 3160-49, Gages, Safety Devices and Controls 3170-51, Records Review 3180-51, Conclusions 3200-52, Inspection of Pressure Vessels 3210-52, General Conditions 3220-52, Pre-Inspection Activities 3230-52, Assessment of Installation 3240-59, Causes of Deterioration 3250-62, Inspection of Parts and Appurtenances 3260-62, Gages, Safety Devices and Controls 3270-63, Records Review 3280-63, Conclusions 3300-64, Inspection of Water Heaters Supplying Hot Water for Purposes Other Than Space Heating 3310-64, General Conditions 3320-64, Inspection of Parts and Appurtenances 3330-64, Gages, Safety Devices and Controls 3400-65, Inspection of Piping Systems 3410-65, General Conditions 3420-65, Precautions Before Conducting Inspection 3430-65, Assessment of Installation; Types of Defects 3440-66, Evidence of Leakage 3450-66, Provisions for Expansion and Support 3460-66, Gages, Safety Devices and Controls 3470-66, Records Review 3480-67, Conclusions 3500-68, Inspection of Safety Devices for Overpressure Protection 3510-68, Scope 3520-68, Device Data 3530-68, Device Condition 3540-69, Installation Condition 3550-69, Operational Inspection 3560-70, Recommended Test Frequencies 3570-71, Additional Inspection Information 3600-73, Inspection of Deaerators 3610-73, General Conditions 3620-73, Assessment of Installation; Causes of Deterioration; Types of Defects 3630-73, Evidence of Leakage 3640-73, Inspection of Parts and Appurtenances 3650-74, Gages, Safety Devices and Controls 3660-74, Records Review 3670-74, Conclusions 3700-75, Inspection of Liquid Ammonia Vessels 3710-75, Scope 3720-75, Assessment of Installation, Causes of Deterioration 3730-75, Evidence of Leakage 3740-75, Inspection of Parts and Appurtenances 3750-76, Gages and Safety Devices 3760-76, Records Review 3770-76, Conclusions 3800-77, Inspection of Pressure Vessels With Quick Actuating Closures 3810-77, Scope 3820-77, Assessment of Installation 3830-77, Evidence of Leakage 3840-77, Inspection of Parts and Appurtenances 3850-78, Gages, Safety Devices and Controls 3860-79, Records Review 3870-79, Conclusions 4000-80, Restamping or Replacement of Stamped Data 4010-80, Scope 4020-80, ASME Stamped Items 4030-80, Other Items 4040-80, Reporting Appendix A, Pressures Appendix B, Name Plate Data Appendix C, System Component Group List Appendix D, Machinery Rooms and Auxiliary Safety Equipment D.1, General D.2, Access, Exit and Containment D.3, Instruction D.4, Protective Equipment D.5, Electrical D.6, Ventilation D.7, Guards D.8, Refrigerant Storage Appendix E, Stress Corrosion Cracking E.1, Introduction E.2, Occurrence E.3, Inspection Surveys E.4, Preventative Measures Appendix F, Pressure Tests Appendix G, Typical Schedule for Inspection and Maintenance Appendix H, Sample Details for Register Appendix I, Sample System Log   Close this Window   eTools Home : Ammonia Refrigeration References | Glossary | Viewing / Printing Instructions | Credits

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