{"id":374136,"date":"2024-10-20T02:37:07","date_gmt":"2024-10-20T02:37:07","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-bpvc-iii-1-nb-2021\/"},"modified":"2024-10-26T04:34:45","modified_gmt":"2024-10-26T04:34:45","slug":"asme-bpvc-iii-1-nb-2021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-bpvc-iii-1-nb-2021\/","title":{"rendered":"ASME BPVC III 1 NB 2021"},"content":{"rendered":"

This Subsection contains requirements for the material, design, fabrication, examination, testing and overpressure protection of items which are intended to conform to the requirements for Class 1 construction. The rules of Subsection NB cover the requirements for assuring the structural integrity of items. Careful application of this Section will help users to comply with applicable regulations within their jurisdictions, while achieving the operational, cost and safety benefits to be gained from the many industry best-practices detailed within these volumes.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
5<\/td>\nTABLE OF CONTENTS <\/td>\n<\/tr>\n
9<\/td>\nLIST OF SECTIONS <\/td>\n<\/tr>\n
10<\/td>\nINTERPRETATIONS
CODE CASES <\/td>\n<\/tr>\n
11<\/td>\nFOREWORD <\/td>\n<\/tr>\n
13<\/td>\nSTATEMENT OF POLICY ON THE USE OF THE ASME SINGLE CERTIFICATION MARK AND CODE AUTHORIZATION IN ADVERTISING
STATEMENT OF POLICY ON THE USE OF ASME MARKING TO IDENTIFY MANUFACTURED ITEMS <\/td>\n<\/tr>\n
14<\/td>\nSUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND PRESSURE VESSEL STANDARDS COMMITTEES <\/td>\n<\/tr>\n
17<\/td>\nPersonnel ASME Boiler and Pressure Vessel Standards Committees, Subgroups, and Working Groups <\/td>\n<\/tr>\n
38<\/td>\nORGANIZATION OF SECTION III
1 GENERAL <\/td>\n<\/tr>\n
39<\/td>\n2 SUBSECTIONS
3 ARTICLES
4 SUBARTICLES
5 SUBSUBARTICLES
6 PARAGRAPHS
7 SUBPARAGRAPHS
8 SUBSUBPARAGRAPHS <\/td>\n<\/tr>\n
40<\/td>\n9 REFERENCES <\/td>\n<\/tr>\n
42<\/td>\nSUMMARY OF CHANGES <\/td>\n<\/tr>\n
44<\/td>\nLIST OF CHANGES IN RECORD NUMBER ORDER <\/td>\n<\/tr>\n
45<\/td>\nCROSS-REFERENCING AND STYLISTIC CHANGES IN THE BOILER AND PRESSURE VESSEL CODE <\/td>\n<\/tr>\n
47<\/td>\nArticle NB-1000 Introduction
NB-1100 Scope
NB-1110 Aspects of Construction Covered by These Rules
NB-1120 Temperature Limits
NB-1130 Boundaries of Jurisdiction Applicable to This Subsection <\/td>\n<\/tr>\n
48<\/td>\nNB-1140 Electrical and Mechanical Penetration Assemblies <\/td>\n<\/tr>\n
49<\/td>\nFigures
Figure NB-1132.2-1 Attachments in the Component Support Load Path That Do Not Perform a Pressure-Retaining Function <\/td>\n<\/tr>\n
50<\/td>\nFigure NB-1132.2-2 Attachments That Do Not Perform a Pressure-Retaining Function and Are Not in the Component Support Load Path (Nonstructural Attachments) <\/td>\n<\/tr>\n
51<\/td>\nFigure NB-1132.2-3 Attachments That Perform a Pressure-Retaining Function <\/td>\n<\/tr>\n
52<\/td>\nFigure NB-1132.2-4 Attachments Within the Reactor Pressure Vessel (Core Support Structures) That Do Not Perform a Pressure-Retaining Function <\/td>\n<\/tr>\n
53<\/td>\nArticle NB-2000 Material
NB-2100 General Requirements for Material
NB-2110 Scope of Principal Terms Employed
NB-2120 Pressure\u2011Retaining Material <\/td>\n<\/tr>\n
55<\/td>\nNB-2130 Certification of Material
NB-2140 Welding Material
NB-2150 Material Identification
NB-2160 Deterioration of Material in Service
NB-2170 Heat Treatment to Enhance Impact Properties
NB-2180 Procedures for Heat Treatment of Material <\/td>\n<\/tr>\n
56<\/td>\nNB-2190 Non-Pressure\u2011Retaining Material
NB-2200 Material Test Coupons and Specimens for Ferritic Steel Material
NB-2210 Heat Treatment Requirements
NB-2220 Procedure for Obtaining Test Coupons and Specimens for Quenched and Tempered Material <\/td>\n<\/tr>\n
58<\/td>\nNB-2300 Fracture Toughness Requirements for Material
NB-2310 Material to Be Impact Tested <\/td>\n<\/tr>\n
59<\/td>\nNB-2320 Impact Test Procedures <\/td>\n<\/tr>\n
60<\/td>\nNB-2330 Test Requirements and Acceptance Standards2
Tables
Table NB-2332(a)-1 Required Cv Values for Piping, Pumps, and Valves <\/td>\n<\/tr>\n
61<\/td>\nNB-2340 Number of Impact Tests Required
Table NB-2333-1 Required Cv Values for Bolting Material <\/td>\n<\/tr>\n
62<\/td>\nNB-2350 Retests
NB-2360 Calibration of Instruments and Equipment
NB-2400 Welding Material
NB-2410 General Requirements
NB-2420 Required Tests <\/td>\n<\/tr>\n
63<\/td>\nNB-2430 Weld Metal Tests <\/td>\n<\/tr>\n
64<\/td>\nTable NB-2432.1-1 Sampling of Welding Materials for Chemical Analysis <\/td>\n<\/tr>\n
65<\/td>\nNB-2440 Storage and Handling of Welding Material
NB-2500 Examination and Repair of Pressure\u2011Retaining Material
NB-2510 Examination of Pressure\u2011Retaining Material
Table NB-2432.2(a)-1 Chemical Analysis for Reactor Vessel Welding Material
Table NB-2432.2(a)-2 Chemical Analysis for Welding Material for Other Than Reactor Vessel Welds <\/td>\n<\/tr>\n
66<\/td>\nNB-2520 Examination After Quenching and Tempering
NB-2530 Examination and Repair of Plate
Figure NB-2433.1-1 Weld Metal Delta Ferrite Content <\/td>\n<\/tr>\n
68<\/td>\nNB-2540 Examination and Repair of Forgings and Bars <\/td>\n<\/tr>\n
70<\/td>\nNB-2550 Examination and Repair of Seamless and Welded (Without Filler Metal) Tubular Products and Fittings <\/td>\n<\/tr>\n
71<\/td>\nFigure NB-2552-1 Axial Propagation of Sound in Tube Wall <\/td>\n<\/tr>\n
73<\/td>\nNB-2560 Examination and Repair of Tubular Products and Fittings Welded With Filler Metal <\/td>\n<\/tr>\n
74<\/td>\nNB-2570 Examination and Repair of Statically and Centrifugally Cast Products <\/td>\n<\/tr>\n
75<\/td>\nTable NB-2571-1 Required Examinations <\/td>\n<\/tr>\n
78<\/td>\nFigure NB-2575.2-1 Typical Pressure-Retaining Parts of Pumps and Valves <\/td>\n<\/tr>\n
80<\/td>\nNB-2580 Examination of Bolts, Studs, and Nuts <\/td>\n<\/tr>\n
82<\/td>\nNB-2600 Material Organizations\u2019 Quality System Programs
NB-2610 Documentation and Maintenance of Quality System Programs
NB-2700 Dimensional Standards <\/td>\n<\/tr>\n
83<\/td>\nArticle NB-3000 Design
NB-3100 General Design
NB-3110 Loading Criteria <\/td>\n<\/tr>\n
84<\/td>\nNB-3120 Special Considerations
NB-3130 General Design Rules <\/td>\n<\/tr>\n
88<\/td>\nNB-3200 Design by Analysis
NB-3210 Requirements for Acceptability
NB-3300 Vessel Design
NB-3310 General Requirements
NB-3320 Design Considerations <\/td>\n<\/tr>\n
89<\/td>\nNB-3330 Openings and Reinforcement <\/td>\n<\/tr>\n
90<\/td>\nFigure NB-3332.2-1 Chart for Determining Value of F <\/td>\n<\/tr>\n
92<\/td>\nFigure NB-3338.2(a)-1 Direction of Stress Components <\/td>\n<\/tr>\n
93<\/td>\nFigure NB-3338.2(a)-2 Nozzle Dimensions <\/td>\n<\/tr>\n
94<\/td>\nTable NB-3338.2(c)-1 Stress Indices for Nozzles <\/td>\n<\/tr>\n
95<\/td>\nFigure NB-3339.1(b)-1 Examples of Acceptable Transition Details <\/td>\n<\/tr>\n
96<\/td>\nNB-3340 Analysis of Vessels
NB-3350 Design of Welded Construction
Table NB-3339.3-1 Required Minimum Reinforcing Area, Ar <\/td>\n<\/tr>\n
97<\/td>\nFigure NB-3339.4-1 Limits of Reinforcing Zone
Table NB-3339.7(c)-1 Stress Indices for Internal Pressure Loading <\/td>\n<\/tr>\n
98<\/td>\nFigure NB-3351-1 Welded Joint Locations Typical of Categories A, B, C, and D <\/td>\n<\/tr>\n
99<\/td>\nFigure NB-3352-1 Typical Butt Joints <\/td>\n<\/tr>\n
100<\/td>\nNB-3360 Special Vessel Requirements
Figure NB-3361-1 Category A and B Joints Between Sections of Unequal Thickness <\/td>\n<\/tr>\n
101<\/td>\nNB-3400 Pump Design
NB-3410 General Requirements for Centrifugal Pumps <\/td>\n<\/tr>\n
102<\/td>\nNB-3420 Definitions
NB-3430 Design Requirements for Centrifugal Pumps
Figure NB-3423-1 Typical Single Volute Casing <\/td>\n<\/tr>\n
103<\/td>\nFigure NB-3423-2 Typical Double Volute Casing
Figure NB-3433.4-1 Minimum Tangential Inlet and Outlet Wall Thickness <\/td>\n<\/tr>\n
104<\/td>\nNB-3440 Design of Specific Pump Types
NB-3500 Valve Design
NB-3510 Acceptability <\/td>\n<\/tr>\n
105<\/td>\nFigure NB-3441.1-1 Type A Pump
Figure NB-3441.1-2 Type A Pump
Figure NB-3441.2-1 Type B Pump
Figure NB-3441.3-1 Type C Pump <\/td>\n<\/tr>\n
106<\/td>\nFigure NB-3441.3-2 Type C Pump
Figure NB-3441.4(a)-1 Type D Pump
Figure NB-3441.5-1 Type E Pump <\/td>\n<\/tr>\n
107<\/td>\nFigure NB-3441.6(a)-1 Type F Pump <\/td>\n<\/tr>\n
108<\/td>\nNB-3520 Design Considerations <\/td>\n<\/tr>\n
109<\/td>\nNB-3530 General Rules <\/td>\n<\/tr>\n
111<\/td>\nNB-3540 Design of Pressure-Retaining Parts <\/td>\n<\/tr>\n
112<\/td>\nFigure NB-3544.1(a)-1 Fillets and Corners <\/td>\n<\/tr>\n
113<\/td>\nFigure NB-3544.1(c)-1 Ring Grooves <\/td>\n<\/tr>\n
114<\/td>\nFigure NB-3544.3-1 Lugs and Protuberances
Figure NB-3544.7-1 Flat Wall Limitation <\/td>\n<\/tr>\n
116<\/td>\nFigure NB-3545.1(a)-1 Pressure Area Method <\/td>\n<\/tr>\n
119<\/td>\nFigure NB-3545.2(a)-1 Critical Sections of Valve Bodies <\/td>\n<\/tr>\n
121<\/td>\nFigure NB-3545.2(c)-1 Model for Determining Secondary Stress in Valve Crotch Region <\/td>\n<\/tr>\n
122<\/td>\nFigure NB-3545.2(c)-3 Thermal Stress Index Versus Thickness Continuity Run or Branch <\/td>\n<\/tr>\n
123<\/td>\nFigure NB-3545.2(c)-4 Secondary Stress Index Versus Thickness Discontinuity Run or Branch <\/td>\n<\/tr>\n
124<\/td>\nFigure NB-3545.2(c)-5 C4 Versus Te1\/te
Figure NB-3545.2(c)-6 Stress Index for Thermal Fatigue <\/td>\n<\/tr>\n
125<\/td>\nNB-3550 Cyclic Loading Requirements <\/td>\n<\/tr>\n
126<\/td>\nNB-3560 Design Reports
NB-3590 Pressure Relief Valve Design <\/td>\n<\/tr>\n
127<\/td>\nFigure NB-3591.2-1 Typical Pressure Relief Devices <\/td>\n<\/tr>\n
128<\/td>\nFigure NB-3591.2-2 Typical Pressure Relief and Safety Relief Devices <\/td>\n<\/tr>\n
130<\/td>\nFigure NB-3594.3-1 Valve Nozzle <\/td>\n<\/tr>\n
131<\/td>\nNB-3600 Piping Design
NB-3610 General Requirements <\/td>\n<\/tr>\n
132<\/td>\nNB-3620 Design Considerations <\/td>\n<\/tr>\n
133<\/td>\nFigure NB-3622-1 Examples of Reversing and Nonreversing Dynamic Loads <\/td>\n<\/tr>\n
134<\/td>\nNB-3630 Piping Design and Analysis Criteria <\/td>\n<\/tr>\n
135<\/td>\nNB-3640 Pressure Design <\/td>\n<\/tr>\n
136<\/td>\nTable NB-3641.1(a)-1 Values of A <\/td>\n<\/tr>\n
138<\/td>\nFigure NB-3643.3(a)-1 Branch Connection Nomenclature <\/td>\n<\/tr>\n
139<\/td>\nFigure NB-3643.3(a)-2 Typical Reinforcement of Openings <\/td>\n<\/tr>\n
140<\/td>\nFigure NB-3643.3(a)-3 Typical Reinforced Extruded Outlet <\/td>\n<\/tr>\n
142<\/td>\nFigure NB-3644(b)-1 Miter Joint Geometry <\/td>\n<\/tr>\n
143<\/td>\nFigure NB-3647.2-1 Types of Permanent Blanks <\/td>\n<\/tr>\n
144<\/td>\nNB-3650 Analysis of Piping Products <\/td>\n<\/tr>\n
147<\/td>\nFigure NB-3653.2(b)-1 Decomposition of Temperature Distribution Range <\/td>\n<\/tr>\n
151<\/td>\nNB-3660 Design of Welds
NB-3670 Special Piping Requirements <\/td>\n<\/tr>\n
153<\/td>\nNB-3680 Stress Indices and Flexibility Factors <\/td>\n<\/tr>\n
154<\/td>\nTable NB-3681(a)-1 Stress Indices for Use With Equations in NB-3650 <\/td>\n<\/tr>\n
156<\/td>\nFigure NB-3683.1(c)-1 <\/td>\n<\/tr>\n
157<\/td>\nFigure NB-3683.1(d)-1 <\/td>\n<\/tr>\n
159<\/td>\nFigure NB-3683.6-1 <\/td>\n<\/tr>\n
162<\/td>\nFigure NB-3684-1 Direction of Stress Components <\/td>\n<\/tr>\n
163<\/td>\nTable NB-3685.1-1 Curved Pipe or Welding End Elbows, Internal Pressure <\/td>\n<\/tr>\n
164<\/td>\nTable NB-3685.1-2 Curved Pipe or Welding End Elbows, Moment Loading ( \u2265 0.2) <\/td>\n<\/tr>\n
165<\/td>\nFigure NB-3685.2-1 Elbow Nomenclature <\/td>\n<\/tr>\n
166<\/td>\nNB-3690 Dimensional Requirements for Piping Products
Figure NB-3686.1-1 <\/td>\n<\/tr>\n
167<\/td>\nFigure NB-3686.2-1
Figure NB-3686.5-1 Branch Connections in Straight Pipe
Figure NB-3686.6-1 Reducers <\/td>\n<\/tr>\n
168<\/td>\nArticle NB-4000 Fabrication and Installation
NB-4100 General Requirements
NB-4110 Introduction
NB-4120 Certification of Materials and Fabrication by Certificate Holder <\/td>\n<\/tr>\n
169<\/td>\nNB-4130 Repair of Material
NB-4200 Forming, Fitting, and Aligning
NB-4210 Cutting, Forming, and Bending <\/td>\n<\/tr>\n
170<\/td>\nNB-4220 Forming Tolerances <\/td>\n<\/tr>\n
171<\/td>\nFigure NB-4221.1-1 Maximum Difference in Cross-Sectional Diameters
Figure NB-4221.2(a)-1 Maximum Permissible Deviation e From a True Circular Form <\/td>\n<\/tr>\n
172<\/td>\nFigure NB-4221.2(a)-2 Maximum Arc Length for Determining Plus or Minus Deviation <\/td>\n<\/tr>\n
173<\/td>\nNB-4230 Fitting and Aligning
Table NB-4232-1 Maximum Allowable Offset in Final Welded Joints <\/td>\n<\/tr>\n
174<\/td>\nNB-4240 Requirements for Weld Joints in Components
Figure NB-4233(a)-1 Butt Weld Alignment and Mismatch Tolerances for Unequal I.D. and O.D. When Components Are Welded From One Side and Fairing Is Not Performed <\/td>\n<\/tr>\n
175<\/td>\nNB-4250 Welding End Transitions \u2014 Maximum Envelope
NB-4300 Welding Qualifications
NB-4310 General Requirements <\/td>\n<\/tr>\n
176<\/td>\nFigure NB-4243-1 Acceptable Full Penetration Weld Details for Category C Joints (NB-3352.3) <\/td>\n<\/tr>\n
177<\/td>\nFigure NB-4244(a)-1 Nozzles Joined by Full Penetration Butt Welds <\/td>\n<\/tr>\n
178<\/td>\nFigure NB-4244(b)-1 Nozzles Joined by Full Penetration Corner Welds <\/td>\n<\/tr>\n
179<\/td>\nFigure NB-4244(c)-1 Deposited Weld Metal Used as Reinforcement of Openings for Nozzles <\/td>\n<\/tr>\n
180<\/td>\nFigure NB-4244(d)-1 Partial Penetration Nozzles <\/td>\n<\/tr>\n
181<\/td>\nFigure NB-4244(d)-2 Partial Penetration Nozzle for Coaxial Cylinders <\/td>\n<\/tr>\n
182<\/td>\nFigure NB-4244(e)-1 Oblique Connections <\/td>\n<\/tr>\n
183<\/td>\nFigure NB-4246(a)-1 Typical Piping Branch Connections Joined by Full Penetration Welds <\/td>\n<\/tr>\n
184<\/td>\nFigure NB-4246(b)-1 Typical Piping Branch Connections Joined by a Fillet Weld or a Partial Penetration Weld <\/td>\n<\/tr>\n
185<\/td>\nFigure NB-4250-1 Welding End Transitions \u2014 Maximum Envelope <\/td>\n<\/tr>\n
186<\/td>\nFigure NB-4250-2 Component to Pipe Weld
Figure NB-4250-3 Pipe to Pipe Weld <\/td>\n<\/tr>\n
187<\/td>\nNB-4320 Welding Qualifications, Records, and Identifying Stamps <\/td>\n<\/tr>\n
188<\/td>\nNB-4330 General Requirements for Welding Procedure Qualification Tests <\/td>\n<\/tr>\n
191<\/td>\nNB-4350 Special Qualification Requirements for Tube\u2011to\u2011Tubesheet Welds
NB-4360 Qualification Requirements for Welding Specially Designed Welded Seals <\/td>\n<\/tr>\n
192<\/td>\nNB-4400 Rules Governing Making, Examining, and Repairing Welds
NB-4410 Precautions to Be Taken Before Welding
NB-4420 Rules for Making Welded Joints <\/td>\n<\/tr>\n
194<\/td>\nFigure NB-4424.2-1 Preservice Examination Marking for Piping <\/td>\n<\/tr>\n
195<\/td>\nFigure NB-4427-1 Fillet and Socket Weld Details and Dimensions <\/td>\n<\/tr>\n
196<\/td>\nNB-4430 Welding of Attachments
NB-4440 Welding of Appurtenances
NB-4450 Repair of Weld Metal Defects <\/td>\n<\/tr>\n
197<\/td>\nFigure NB-4433-1 Types of Attachment Welds <\/td>\n<\/tr>\n
198<\/td>\nFigure NB-4440-1 Appurtenance Weld Joint Details, NPS 2 (DN 50) and Smaller <\/td>\n<\/tr>\n
199<\/td>\nNB-4500 Brazing
NB-4510 Rules for Brazing <\/td>\n<\/tr>\n
200<\/td>\nFigure NB-4511-1 Brazed Connections for Appurtenances and Piping, NPS 1 (DN 25) and Smaller <\/td>\n<\/tr>\n
201<\/td>\nNB-4520 Brazing Qualification Requirements
NB-4530 Fitting and Aligning of Parts to Be Brazed
NB-4540 Examination of Brazed Joints
NB-4600 Heat Treatment
NB-4610 Welding Preheat Requirements
Table NB-4524-1 Maximum Design Temperatures for Brazing Filler Metal <\/td>\n<\/tr>\n
202<\/td>\nNB-4620 Postweld Heat Treatment <\/td>\n<\/tr>\n
203<\/td>\nTable NB-4622.1-1 Mandatory Requirements for Postweld Heat Treatment of Welds <\/td>\n<\/tr>\n
204<\/td>\nTable NB-4622.4(c)-1 Alternative Holding Temperatures and Times <\/td>\n<\/tr>\n
205<\/td>\nTable NB-4622.7(b)-1 Exemptions to Mandatory PWHT <\/td>\n<\/tr>\n
208<\/td>\nFigure NB-4622.9(d)(1)-1 Dissimilar Metal Repair Cavity Measurement <\/td>\n<\/tr>\n
209<\/td>\nNB-4630 Heat Treatment of Welds Other Than the Final Postweld Heat Treatment
NB-4650 Heat Treatment After Bending or Forming for Pipes, Pumps, and Valves <\/td>\n<\/tr>\n
210<\/td>\nNB-4660 Heat Treatment of Electroslag Welds
NB-4700 Mechanical Joints
NB-4710 Bolting and Threading
NB-4720 Bolting Flanged Joints
NB-4730 Electrical and Mechanical Penetration Assemblies <\/td>\n<\/tr>\n
211<\/td>\nArticle NB-5000 Examination
NB-5100 General Requirements for Examination
NB-5110 Methods, Nondestructive Examination Procedures, and Cleaning
Table NB-5111-1Thickness, IQI Designations, Essential Holes, and Wire Diameters <\/td>\n<\/tr>\n
212<\/td>\nNB-5120 Time of Examination of Welds and Weld Metal Cladding
NB-5130 Examination of Weld Edge Preparation Surfaces <\/td>\n<\/tr>\n
213<\/td>\nNB-5140 Examination of Welds and Adjacent Base Material
NB-5200 Required Examination of Welds for Fabrication and Preservice Baseline
NB-5210 Category A Vessel Welded Joints and Longitudinal Welded Joints in Other Components
NB-5220 Category B Vessel Welded Joints and Circumferential Welded Joints in Piping, Pumps, and Valves
NB-5230 Category C Vessel Welded Joints and Similar Welded Joints in Other Components
NB-5240 Category D Vessel Welded Joints and Branch and Piping Connections in Other Components <\/td>\n<\/tr>\n
214<\/td>\nNB-5250 Weld Metal Buildups to Form Nozzles, Branch and Piping Connections and for Closure Opening Reinforcement
NB-5260 Fillet, Partial Penetration, Socket, and Attachment Welded Joints <\/td>\n<\/tr>\n
215<\/td>\nNB-5270 Special Welded Joints
NB-5280 Preservice Examination <\/td>\n<\/tr>\n
216<\/td>\nNB-5300 Acceptance Standards
NB-5320 Radiographic Acceptance Standards
NB-5330 Ultrasonic Acceptance Standards
NB-5340 Magnetic Particle Acceptance Standards <\/td>\n<\/tr>\n
217<\/td>\nNB-5350 Liquid Penetrant Acceptance Standards
NB-5370 Visual Acceptance Standards for Brazed Joints
NB-5380 Bubble Formation Testing
NB-5400 Final Examination of Vessels
NB-5410 Examination After Hydrostatic Test
NB-5500 Qualifications and Certification of Nondestructive Examination Personnel
NB-5510 General Requirements <\/td>\n<\/tr>\n
218<\/td>\nNB-5520 Personnel Qualification, Certification, and Verification <\/td>\n<\/tr>\n
219<\/td>\nNB-5530 Records <\/td>\n<\/tr>\n
220<\/td>\nArticle NB-6000 Testing
NB-6100 General Requirements
NB-6110 Pressure Testing of Components, Appurtenances, and Systems <\/td>\n<\/tr>\n
221<\/td>\nNB-6120 Preparation for Testing
NB-6200 Hydrostatic Tests
NB-6210 Hydrostatic Test Procedure
NB-6220 Hydrostatic Test Pressure Requirements <\/td>\n<\/tr>\n
222<\/td>\nNB-6300 Pneumatic Tests
NB-6310 Pneumatic Testing Procedures
NB-6320 Pneumatic Test Pressure Requirements
NB-6400 Pressure Test Gages
NB-6410 <\/td>\n<\/tr>\n
223<\/td>\nNB-6600 Special Test Pressure Situations
NB-6610 Components Designed for External Pressure
NB-6620 Pressure Testing of Combination Units <\/td>\n<\/tr>\n
224<\/td>\nArticle NB-7000 Overpressure Protection
NB-7100 General Requirements
NB-7110 Scope
NB-7120 Integrated Overpressure Protection
NB-7130 Verification of the Operation of Reclosing Pressure Relief Devices
NB-7140 Installation <\/td>\n<\/tr>\n
225<\/td>\nNB-7150 Acceptable Pressure Relief Devices
NB-7160 Unacceptable Pressure Relief Devices
NB-7170 Permitted Use of Pressure Relief Devices <\/td>\n<\/tr>\n
226<\/td>\nNB-7200 Overpressure Protection Report
NB-7210 Responsibility for Report
NB-7220 Content of Report <\/td>\n<\/tr>\n
227<\/td>\nNB-7230 Certification of Report
NB-7240 Review of Report After Installation
NB-7250 Filing of Report
NB-7300 Relieving Capacity
NB-7310 Expected System Pressure Transient Conditions
NB-7320 Unexpected System Excess Pressure Transient Conditions <\/td>\n<\/tr>\n
228<\/td>\nNB-7400 Set Pressures of Pressure Relief Devices
NB-7410 Set Pressure Limitations for Expected System Pressure Transient Conditions
NB-7420 Set Pressure Limitation for Unexpected System Excess Pressure Transient Conditions
NB-7500 Operating and Design Requirements for Pressure Relief Valves
NB-7510 Safety, Safety Relief, and Relief Valves <\/td>\n<\/tr>\n
229<\/td>\nNB-7520 Pilot-Operated Pressure Relief Valves <\/td>\n<\/tr>\n
230<\/td>\nNB-7530 Power-Actuated Pressure Relief Valves <\/td>\n<\/tr>\n
231<\/td>\nNB-7540 Safety Valves and Pilot-Operated Pressure Relief Valves With Auxiliary Actuating Devices <\/td>\n<\/tr>\n
232<\/td>\nNB-7550 Alternative Test Media
NB-7600 Nonreclosing Pressure Relief Devices
NB-7610 Rupture Disk Devices <\/td>\n<\/tr>\n
233<\/td>\nNB-7620 Installation
NB-7700 Certification
NB-7710 Responsibility for Certification of Pressure Relief Valves
NB-7720 Responsibility for Certification of Nonreclosing Pressure Relief Devices
NB-7730 Capacity Conversions
NB-7800 Marking, Stamping With Certification Mark, and Data Reports
NB-7810 Pressure Relief Valves <\/td>\n<\/tr>\n
234<\/td>\nNB-7820 Rupture Disk Devices
NB-7830 Certificate of Authorization to Use Certification Mark <\/td>\n<\/tr>\n
235<\/td>\nArticle NB-8000 Nameplates, Stamping With Certification Mark, and Reports
NB-8100 General Requirements <\/td>\n<\/tr>\n
236<\/td>\nENDNOTES <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ASME BPVC – III – 1 – NB -2021 BPVC Section III, Rules for Construction of Nuclear Facility Components, Division 1, Subsection NB, Class 1 Components<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASME<\/b><\/a><\/td>\n2021<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":374144,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2643],"product_tag":[],"class_list":{"0":"post-374136","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asme","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/374136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/374144"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=374136"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=374136"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=374136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}