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ASME BPVC III 1 NB 2023

ASME BPVC III 1 NB 2023

$290.00

ASME BPVC.III.1.NB-2023 Section III, Rules for Construction of Nuclear Facility Components, Division 1, Subsection NB, Class 1 Components

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ASME 2023 239
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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.

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PDF Pages PDF Title
5 TABLE OF CONTENTS
9 List of Sections
10 FOREWORD
12 STATEMENT 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
13 Personnel
35 Correspondence With the Committee
37 ORGANIZATION OF SECTION III
1 GENERAL
38 2 SUBSECTIONS
3 ARTICLES
4 SUBARTICLES
5 SUBSUBARTICLES
6 PARAGRAPHS
7 SUBPARAGRAPHS
8 SUBSUBPARAGRAPHS
39 9 REFERENCES
41 SUMMARY OF CHANGES
43 Cross-Referencing in the ASME BPVC
45 Article NB-1000 Introduction
NB-1100 Scope
NB-1110 Aspects of Construction Covered by These Rules
NB-1120 Temperature Limits
46 NB-1140 Electrical and Mechanical Penetration Assemblies
47 Figures
Figure NB-1132.2-1 Attachments in the Component Support Load Path That Do Not Perform a Pressure‑Retaining Function
48 Figure NB-1132.2-2 Attachments That Do Not Perform a Pressure‑Retaining Function and Are Not in the Component Support Load Path (Nonstructural Attachments)
49 Figure NB-1132.2-3 Attachments That Perform a Pressure‑Retaining Function
50 Figure NB-1132.2-4 Attachments Within the Reactor Pressure Vessel (Core Support Structures) That Do Not Perform a Pressure‑Retaining Function
51 Article NB-2000 Material
NB-2100 General Requirements for Material
NB-2110 Scope of Principal Terms Employed
NB-2120 Pressure‑Retaining Material
53 NB-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
54 NB-2180 Procedures for Heat Treatment of Material
NB-2190 Non-Pressure‑Retaining Material
NB-2200 Material Test Coupons and Specimens for Ferritic Steel Material
NB-2210 Heat Treatment Requirements
55 NB-2220 Procedure for Obtaining Test Coupons and Specimens for Quenched and Tempered Material
56 NB-2300 Fracture Toughness Requirements for Material
NB-2310 Material to Be Impact Tested
57 NB-2320 Impact Test Procedures
58 NB-2330 Test Requirements and Acceptance Standards2
59 NB-2340 Number of Impact Tests Required
Tables
Table NB-2332(a)-1 Required Cv Values for Piping, Pumps, and Valves
Table NB-2333-1 Required Cv Values for Bolting Material
60 NB-2350 Retests
NB-2360 Calibration of Instruments and Equipment
NB-2400 Welding Material
NB-2410 General Requirements
NB-2420 Required Tests
61 NB-2430 Weld Metal Tests
62 Table NB-2432.1-1 Sampling of Welding Materials for Chemical Analysis
63 NB-2440 Storage and Handling of Welding 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
64 NB-2500 Examination and Repair of Pressure‑Retaining Material
NB-2510 Examination of Pressure‑Retaining Material
NB-2520 Examination After Quenching and Tempering
Figure NB-2433.1-1 Weld Metal Delta Ferrite Content
65 NB-2530 Examination and Repair of Plate
66 NB-2540 Examination and Repair of Forgings and Bars
68 NB-2550 Examination and Repair of Seamless and Welded (Without Filler Metal) Tubular Products and Fittings
69 Figure NB-2552-1 Axial Propagation of Sound in Tube Wall
71 NB-2560 Examination and Repair of Tubular Products and Fittings Welded With Filler Metal
72 NB-2570 Examination and Repair of Statically and Centrifugally Cast Products
73 Table NB-2571-1 Required Examinations
77 Figure NB-2575.2-1 Typical Pressure‑Retaining Parts of Pumps and Valves
78 NB-2580 Examination of Bolts, Studs, and Nuts
80 NB-2600 Material Organizations’ Quality System Programs
NB-2610 Documentation and Maintenance of Quality System Programs
NB-2700 Dimensional Standards
81 Article NB-3000 Design
NB-3100 General Design
NB-3110 Loading Criteria
82 NB-3120 Special Considerations
NB-3130 General Design Rules
86 NB-3200 Design by Analysis
NB-3210 Requirements for Acceptability
NB-3300 Vessel Design
NB-3310 General Requirements
NB-3320 Design Considerations
87 NB-3330 Openings and Reinforcement
88 Figure NB-3332.2-1 Chart for Determining Value of F
90 Figure NB-3338.2(a)-1 Direction of Stress Components
91 Figure NB-3338.2(a)-2 Nozzle Dimensions
92 Table NB-3338.2(c)-1 Stress Indices for Nozzles
93 Figure NB-3339.1(b)-1 Examples of Acceptable Transition Details
94 NB-3340 Analysis of Vessels
NB-3350 Design of Welded Construction
Table NB-3339.3-1 Required Minimum Reinforcing Area, Ar
95 Figure NB-3339.4-1 Limits of Reinforcing Zone
Table NB-3339.7(c)-1 Stress Indices for Internal Pressure Loading
96 Figure NB-3351-1 Welded Joint Locations Typical of Categories A, B, C, and D
97 Figure NB-3352-1 Typical Butt Joints
98 NB-3360 Special Vessel Requirements
Figure NB-3361-1 Category A and B Joints Between Sections of Unequal Thickness
99 NB-3400 Pump Design
NB-3410 General Requirements for Centrifugal Pumps
100 NB-3420 Definitions
NB-3430 Design Requirements for Centrifugal Pumps
Figure NB-3423-1 Typical Single Volute Casing
101 Figure NB-3423-2 Typical Double Volute Casing
Figure NB-3433.4-1 Minimum Tangential Inlet and Outlet Wall Thickness
102 NB-3440 Design of Specific Pump Types
103 Figure 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
104 Figure NB-3441.3-2 Type C Pump
Figure NB-3441.4(a)-1 Type D Pump
Figure NB-3441.5-1 Type E Pump
105 NB-3500 Valve Design
NB-3510 Acceptability
Figure NB-3441.6(a)-1 Type F Pump
106 Figure NB-3441.7-1 Typical Type M Pump With Volute Case
107 Figure NB-3441.7-2 Typical Type M Pump, Integral to Vessel
109 NB-3520 Design Considerations
110 NB-3530 General Rules
112 NB-3540 Design of Pressure-Retaining Parts
113 Figure NB-3544.1(a)-1 Fillets and Corners
114 Figure NB-3544.1(c)-1 Ring Grooves
115 Figure NB-3544.3-1 Lugs and Protuberances
Figure NB-3544.7-1 Flat Wall Limitation
117 Figure NB-3545.1(a)-1 Pressure Area Method
120 Figure NB-3545.2(a)-1 Critical Sections of Valve Bodies
122 Figure NB-3545.2(c)-1 Model for Determining Secondary Stress in Valve Crotch Region
123 Figure NB-3545.2(c)-3 Thermal Stress Index Versus Thickness Continuity Run or Branch
124 Figure NB-3545.2(c)-4 Secondary Stress Index Versus Thickness Discontinuity Run or Branch
125 Figure NB-3545.2(c)-5 C4 Versus Te1/te
Figure NB-3545.2(c)-6 Stress Index for Thermal Fatigue
126 NB-3550 Cyclic Loading Requirements
127 NB-3560 Design Reports
NB-3590 Pressure Relief Valve Design
129 Figure NB-3591.2-1 Typical Pressure Relief Devices
130 Figure NB-3591.2-2 Typical Pressure Relief and Safety Relief Devices
131 Figure NB-3594.3-1 Valve Nozzle
132 NB-3600 Piping Design
NB-3610 General Requirements
133 NB-3620 Design Considerations
NB-3621 Design and Service Loadings
134 NB-3622 Dynamic Effects
NB-3622.1 Impact.
NB-3622.2 Reversing Dynamic Loads.
NB-3622.3 Vibration.
NB-3622.4 Nonreversing Dynamic Loads.
Figure NB-3622.2-1 Examples of Reversing and Nonreversing Dynamic Loads
Figure NB-3622.2-1 Examples of Reversing and Nonreversing Dynamic Loads
135 NB-3623 Weight Effects
NB-3623.1 Live Weight.
NB-3623.2 Dead Weight.
NB-3624 Thermal Expansion and Contraction Loads
NB-3624.1 Loadings, Displacements, and Restraints.
NB-3624.2 Analysis of Thermal Expansion and Contraction Effects.
NB-3624.3 Provision for Rapid Temperature Fluctuation Effects.
NB-3625 Stress Analysis
NB-3630 Piping Design and Analysis Criteria
136 NB-3640 Pressure Design
NB-3641 Straight Pipe
NB-3641.1 Straight Pipe Under Internal Pressure.
137 NB-3641.2 Straight Pipe Under External Pressure.
NB-3642 Curved Segments of Pipe
NB-3642.1 Pipe Bends.
NB-3642.2 Elbows.
NB-3643 Intersections
NB-3643.1 General Requirements.
NB-3643.2 Branch Connections.
Table NB-3641.1(a)-1 Values of A
Table NB-3641.1(a)-1 Values of A
138 NB-3643.3 Reinforcement for Openings.
139 Figure NB-3643.3(a)-1 Branch Connection Nomenclature
Figure NB-3643.3(a)-1 Branch Connection Nomenclature
140 Figure NB-3643.3(a)-2 Typical Reinforcement of Openings
Figure NB-3643.3(a)-2 Typical Reinforcement of Openings
141 Figure NB-3643.3(a)-3 Typical Reinforced Extruded Outlet
Figure NB-3643.3(a)-3 Typical Reinforced Extruded Outlet
143 NB-3644 Miters
NB-3646 Closures
NB-3647 Pressure Design of Flanged Joints and Blanks
NB-3647.1 Flanged Joints.
Figure NB-3644(b)-1 Miter Joint Geometry
Figure NB-3644(b)-1 Miter Joint Geometry
144 NB-3647.2 Permanent Blanks.
NB-3647.3 Temporary Blanks.
Figure NB-3647.2-1 Types of Permanent Blanks
Figure NB-3647.2-1 Types of Permanent Blanks
145 NB-3648 Reducers
NB-3649 Pressure Design of Other Piping Products
NB-3649.1 Expansion Joints.
NB-3650 Analysis of Piping Products
NB-3651 General Requirements
NB-3651.1 Piping Products for Which Stress Indices Are Given.
NB-3651.2 Piping Products for Which Stress Indices Are Not Available.
NB-3651.3 Attachments.
NB-3651.4 Allowable Design Stress Intensity for Branch Connections of Different Materials.
NB-3652 Consideration of Design Conditions
146 NB-3653 Consideration of Level A Service Limits
NB-3653.1 Satisfaction of Primary Plus Secondary Stress Intensity Range.
NB-3653.2 Satisfaction of Peak Stress Intensity Range.
147 NB-3653.3 Alternating Stress Intensity.
NB-3653.4 Use of Design Fatigue Curve.
NB-3653.5 Cumulative Damage.
NB-3653.6 Simplified Elastic–Plastic Discontinuity Analysis.
148 NB-3653.7 Thermal Stress Ratchet.
Figure NB-3653.2(b)-1 Decomposition of Temperature Distribution Range
Figure NB-3653.2(b)-1 Decomposition of Temperature Distribution Range
149 NB-3654 Consideration of Level B Service Limits
NB-3654.1 Permissible Pressure.
NB-3654.2 Analysis of Piping Components.
NB-3655 Consideration of Level C Service Limits
NB-3655.1 Permissible Pressure.
NB-3655.2 Analysis of Piping Components.
NB-3655.3 Deformation Limits.
NB-3656 Consideration of Level D Service Limits
151 NB-3657 Test Loadings
NB-3658 Analysis of Flanged Joints
NB-3658.1 Design Limits, Level A and B Service Limits.
NB-3658.2 Level C Service Limits.
152 NB-3658.3 Level D Service Limits.
NB-3658.4 Test Loadings.
NB-3660 Design of Welds
NB-3661 Welded Joints
NB-3661.1 General Requirements.
NB-3661.2 Socket Welds.
NB-3661.3 Fillet Welds and Partial Penetration Welds for Branch Connections.
NB-3670 Special Piping Requirements
NB-3671 Selection and Limitation of Nonwelded Piping Joints
NB-3671.1 Flanged Joints.
NB-3671.2 Expanded Joints.
NB-3671.3 Threaded Joints.
NB-3671.4 Flared, Flareless, and Compression Joints.
NB-3671.5 Caulked Joints.
NB-3671.6 Brazed and Soldered Joints.
NB-3671.7 Sleeve Coupled and Other Patented Joints.
153 NB-3672 Expansion and Flexibility
NB-3672.1 Properties.
NB-3672.2 Unit Thermal Expansion Range.
NB-3672.3 Moduli of Elasticity.
NB-3672.4 Poisson’s Ratio.
NB-3672.5 Stresses.
NB-3672.6 Method of Analysis.
NB-3672.7 Basic Assumptions and Requirements.
NB-3672.8 Cold Springing.
NB-3674 Design of Pipe Supports
154 NB-3677 Pressure Relief Piping
NB-3677.1 General Requirements.
NB-3677.2 Piping to Pressure-Relieving Safety Devices.
NB-3677.3 Discharge Piping From Pressure-Relieving Safety Devices.
NB-3680 Stress Indices and Flexibility Factors
NB-3681 Scope
NB-3682 Definitions of Stress Indices and Flexibility Factors
155 Table NB-3681(a)-1 Stress Indices for Use With Equations in NB-3650
Table NB-3681(a)-1 Stress Indices for Use With Equations in NB-3650
156 NB-3683 Stress Indices for Use With NB-3650
NB-3683.1 Nomenclature.
157 Figure NB-3683.1(c)-1
Figure NB-3683.1(c)-1
158 NB-3683.2 Applicability of Indices — General.
Figure NB-3683.1(d)-1
Figure NB-3683.1(d)-1
159 NB-3683.3 Straight Pipe Remote From Welds.
NB-3683.4 Welds.
NB-3683.5 Welded Transitions.
160 NB-3683.6 Concentric and Eccentric Reducers.
Figure NB-3683.6-1
Figure NB-3683.6-1
161 NB-3683.7 Curved Pipe or Butt Welding Elbows.
NB-3683.8 Branch Connections Per NB-3643.
162 NB-3683.9 Butt Welding Tees.
163 NB-3684 Stress Indices for Detailed Analysis
NB-3685 Curved Pipe or Welding Elbows
NB-3685.1 Applicability of Indices.
NB-3685.2 Nomenclature (Figure NB-3685.2-1).
NB-3685.3 Stress From Stress Indices.
NB-3685.4 Classification of Stresses.
NB-3686 Flexibility Factors [See NB-3682(c) for Definition]
NB-3686.1 Straight Pipe.
Figure NB-3684-1 Direction of Stress Components
Figure NB-3684-1 Direction of Stress Components
164 Table NB-3685.1-1 Curved Pipe or Welding End Elbows, Internal Pressure
Table NB-3685.1-1 Curved Pipe or Welding End Elbows, Internal Pressure
165 Table NB-3685.1-2 Curved Pipe or Welding End Elbows, Moment Loading (λ ≥ 0.2)
Table NB-3685.1-2 Curved Pipe or Welding End Elbows, Moment Loading ( ≥ 0.2)
166 NB-3686.2 Curved Pipe and Welding Elbows.
Figure NB-3685.2-1 Elbow Nomenclature
Figure NB-3685.2-1 Elbow Nomenclature
167 NB-3686.3 Miter Bends.
NB-3686.4 Welding Tee or Branch Connections.
NB-3686.5 Branch Connections in Straight Pipe.
NB-3686.6 Reducers.
NB-3690 Dimensional Requirements for Piping Products
NB-3691 Standard Piping Products
NB-3692 Nonstandard Piping Products
Figure NB-3686.1-1
Figure NB-3686.1-1
168 Figure NB-3686.2-1
Figure NB-3686.5-1 Branch Connections in Straight Pipe
Figure NB-3686.6-1 Reducers
Figure NB-3686.2-1
Figure NB-3686.5-1 Branch Connections in Straight Pipe
Figure NB-3686.6-1 Reducers
169 Article NB-4000 Fabrication and Installation
NB-4100 General Requirements
NB-4110 Introduction
NB-4120 Certification of Materials and Fabrication by Certificate Holder
170 NB-4130 Repair of Material
NB-4200 Forming, Fitting, and Aligning
NB-4210 Cutting, Forming, and Bending
171 NB-4220 Forming Tolerances
172 Figure 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
173 Figure NB-4221.2(a)-2 Maximum Arc Length for Determining Plus or Minus Deviation
174 NB-4230 Fitting and Aligning
Table NB-4232-1 Maximum Allowable Offset in Final Welded Joints
175 NB-4240 Requirements for Weld Joints in Components
Figure NB-4233(a)-1 Butt Weld Alignment and Mismatch Tolerances forUnequal I.D. and O.D. When Components Are WeldedFrom One Side and Fairing Is Not Performed
176 NB-4250 Welding End Transitions — Maximum Envelope
NB-4300 Welding Qualifications
NB-4310 General Requirements
177 Figure NB-4243-1 Acceptable Full Penetration Weld Details for Category C Joints (NB-3352.3)
178 Figure NB-4244(a)-1 Nozzles Joined by Full Penetration Butt Welds
179 Figure NB-4244(b)-1 Nozzles Joined by Full Penetration Corner Welds
180 Figure NB-4244(c)-1 Deposited Weld Metal Used as Reinforcement of Openings for Nozzles
181 Figure NB-4244(d)-1 Partial Penetration Nozzles
182 Figure NB-4244(d)-2 Partial Penetration Nozzle for Coaxial Cylinders
183 Figure NB-4244(e)-1 Oblique Connections
184 Figure NB-4246(a)-1 Typical Piping Branch Connections Joined by Full Penetration Welds
185 Figure NB-4246(b)-1 Typical Piping Branch Connections Joined by a Fillet Weld or a Partial Penetration Weld
186 Figure NB-4250-1 Welding End Transitions — Maximum Envelope
187 Figure NB-4250-2 Component to Pipe Weld
188 NB-4320 Welding Qualifications, Records, and Identifying Stamps
Figure NB-4250-3 Pipe to Pipe Weld
189 NB-4330 General Requirements for Welding Procedure Qualification Tests
192 NB-4350 Special Qualification Requirements for Tube‑to‑Tubesheet Welds
NB-4360 Qualification Requirements for Welding Specially Designed Welded Seals
193 NB-4400 Rules Governing Making, Examining, and Repairing Welds
NB-4410 Precautions to Be Taken Before Welding
194 NB-4420 Rules for Making Welded Joints
195 Figure NB-4424.2-1 Preservice Examination or MANDE Marking for Piping
196 NB-4430 Welding of Attachments
197 Figure NB-4427-1 Fillet and Socket Weld Details and Dimensions
198 Figure NB-4433-1 Types of Attachment Welds
199 NB-4440 Welding of Appurtenances
NB-4450 Repair of Weld Metal Defects
200 Figure NB-4440-1 Appurtenance Weld Joint Details, NPS 2 (DN 50) and Smaller
201 NB-4500 Brazing
NB-4510 Rules for Brazing
NB-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
202 Figure NB-4511-1 Brazed Connections for Appurtenances and Piping, NPS 1 (DN 25) and Smaller
203 NB-4620 Postweld Heat Treatment
Table NB-4524-1 Maximum Design Temperatures for Brazing Filler Metal
204 Table NB-4622.1-1 Mandatory Requirements for Postweld Heat Treatment of Welds
205 Table NB-4622.4(c)-1 Alternative Holding Temperatures and Times
206 Table NB-4622.7(b)-1 Exemptions to Mandatory PWHT
209 Figure NB-4622.9(d)(1)-1 Dissimilar Metal Repair Cavity Measurement
210 NB-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
211 NB-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
212 Article NB-5000 Examination
NB-5100 General Requirements for Examination
NB-5110 Methods, Nondestructive Examination Procedures, and Cleaning
Table NB-5111-1 Thickness, IQI Designations, Essential Holes, and Wire Diameters
213 NB-5120 Time of Examination of Welds and Weld Metal Cladding
NB-5130 Examination of Weld Edge Preparation Surfaces
214 NB-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
215 NB-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
216 NB-5270 Special Welded Joints
NB-5280 Preservice Examination or MANDE
217 NB-5300 Acceptance Standards
NB-5320 Radiographic Acceptance Standards
NB-5330 Ultrasonic Acceptance Standards
NB-5340 Magnetic Particle Acceptance Standards
218 NB-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
219 NB-5500 Qualifications and Certification of Nondestructive Examination Personnel
NB-5510 General Requirements
NB-5520 Personnel Qualification, Certification, and Verification
220 NB-5530 Records
NB-5540 Alternative Rules
221 Article NB-6000 Testing
NB-6100 General Requirements
NB-6110 Pressure Testing of Components, Appurtenances, and Systems
222 NB-6120 Preparation for Testing
NB-6200 Hydrostatic Tests
NB-6210 Hydrostatic Test Procedure
223 NB-6220 Hydrostatic Test Pressure Requirements
NB-6300 Pneumatic Tests
NB-6310 Pneumatic Testing Procedures
NB-6320 Pneumatic Test Pressure Requirements
224 NB-6400 Pressure Test Gages
NB-6410
NB-6600 Special Test Pressure Situations
NB-6610 Components Designed for External Pressure
NB-6620 Pressure Testing of Combination Units
225 Article 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
226 NB-7150 Acceptable Pressure Relief Devices
NB-7160 Unacceptable Pressure Relief Devices
NB-7170 Permitted Use of Pressure Relief Devices
227 NB-7200 Overpressure Protection Report
NB-7210 Responsibility for Report
NB-7220 Content of Report
228 NB-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
229 NB-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
230 NB-7520 Pilot-Operated Pressure Relief Valves
231 NB-7530 Power-Actuated Pressure Relief Valves
232 NB-7540 Safety Valves and Pilot-Operated Pressure Relief Valves With Auxiliary Actuating Devices
233 NB-7550 Alternative Test Media
NB-7600 Nonreclosing Pressure Relief Devices
NB-7610 Rupture Disk Devices
234 NB-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
235 NB-7820 Rupture Disk Devices
NB-7830 Certificate of Authorization to Use Certification Mark
236 Article NB-8000 Nameplates, Stamping With Certification Mark, and Reports
NB-8100 General Requirements
237 ENDNOTES

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