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ASME BPVC - XIII -2021 BPVC Section XII, Rules for Construction and Continued Service of Transport Tanks, 2021
- TABLE OF CONTENTS
- LIST OF SECTIONS
- INTERPRETATIONS
- CODE CASES
- FOREWORD
- 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
- SUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND PRESSURE VESSEL STANDARDS COMMITTEES
- PERSONNEL
- CROSS-REFERENCING AND STYLISTIC CHANGES IN THE BOILER AND PRESSURE VESSEL CODE
- PART 1 GENERAL REQUIREMENTS [Go to Page]
- 1.1 SCOPE
- 1.2 ORGANIZATION
- 1.3 DEFINITIONS
- 1.4 STANDARDS REFERENCED BY THIS SECTION
- 1.5 UNITS OF MEASURE
- 1.6 TOLERANCES
- PART 2 PROTECTION AGAINST OVERPRESSURE [Go to Page]
- 2.1 GENERAL
- 2.2 RESPONSIBILITIES
- 2.3 SET PRESSURE
- 2.4 OVERPRESSURE
- PART 3 REQUIREMENTS FOR PRESSURE RELIEF VALVES [Go to Page]
- 3.1 GENERAL [Go to Page]
- 3.1.1 Applicability of Part 3 Requirements
- 3.1.2 Valve Characteristics
- 3.2 DESIGN AND MECHANICAL REQUIREMENTS [Go to Page]
- 3.2.1 Body
- 3.2.2 Drains
- 3.2.3 Bonnet
- 3.2.4 Seat
- 3.2.5 Springs for Direct Spring-Loaded Valves
- 3.2.6 Guiding Arrangements
- 3.2.7 Lifting Device
- 3.2.8 Wrenching Surfaces
- 3.2.9 Sealing of Adjustments
- 3.2.10 Diaphragm Valves
- 3.2.11 Restricted-Lift Designs
- 3.2.12 O-Rings and Packing
- 3.2.13 Inlet/Outlet Connections
- 3.2.14 Pop Action
- 3.3 MATERIAL REQUIREMENTS [Go to Page]
- 3.3.1 General
- 3.3.2 Seats and Disks
- 3.3.3 Guiding/Sliding Surfaces
- 3.3.4 Springs
- 3.4 INSPECTION OF MANUFACTURING AND/OR ASSEMBLY [Go to Page]
- 3.4.1 General
- 3.4.2 Production Certification
- 3.4.3 Alternative Tests for Valves That Exceed the Laboratory Capabilities
- 3.5 ASSEMBLER REQUIREMENTS
- 3.6 PRODUCTION TESTING [Go to Page]
- 3.6.1 Pressure Testing
- 3.6.2 Secondary Pressure Zone Test
- 3.6.3 Set Pressure Tests
- 3.6.4 Seat Tightness Test
- 3.6.5 Blowdown Testing
- 3.7 WELDING, BRAZING, HEAT TREATMENT, AND NONDESTRUCTIVE EXAMINATION
- 3.8 SET PRESSURE CHANGE
- 3.9 MARKING
- PART 4 REQUIREMENTS FOR RUPTURE DISK DEVICES [Go to Page]
- 4.1 GENERAL [Go to Page]
- 4.1.1 Applicability of Part 4 Requirements
- 4.1.2 Burst Pressure
- 4.1.3 Relieving Capacity
- 4.2 DESIGN AND MECHANICAL REQUIREMENTS
- 4.3 MATERIAL REQUIREMENTS [Go to Page]
- 4.3.1 Disk Material
- 4.3.2 Pressure-Retaining Parts
- 4.4 INSPECTION OF MANUFACTURING [Go to Page]
- 4.4.1 General
- 4.4.2 Verification
- 4.4.3 Production Certification
- 4.5 PRODUCTION TESTING [Go to Page]
- 4.5.1 Pressure Testing
- 4.5.2 Burst Tests
- 4.6 WELDING, BRAZING, HEAT TREATMENT, AND NONDESTRUCTIVE EXAMINATION
- 4.7 MARKING [Go to Page]
- 4.7.1 General
- 4.7.2 Rupture Disks
- 4.7.3 Rupture Disk Holders
- PART 5 REQUIREMENTS FOR PIN DEVICES [Go to Page]
- 5.1 GENERAL [Go to Page]
- 5.1.1 Applicability of Part 5 Requirements
- 5.1.2 Set Pressure
- 5.1.3 Relieving Capacity
- 5.2 DESIGN AND MECHANICAL REQUIREMENTS
- 5.3 MATERIAL REQUIREMENTS
- 5.4 INSPECTION OF MANUFACTURING [Go to Page]
- 5.4.1 General
- 5.4.2 Production Certification
- 5.5 PRODUCTION TESTING [Go to Page]
- 5.5.1 Pressure Testing
- 5.5.2 Set Pressure Qualification Testing
- 5.5.3 Seat Tightness Test
- 5.6 WELDING, BRAZING, HEAT TREATMENT, AND NONDESTRUCTIVE EXAMINATION
- 5.7 MARKING [Go to Page]
- 5.7.1 General
- 5.7.2 Pin Devices
- 5.7.3 Pin
- PART 6 REQUIREMENTS FOR SPRING-ACTUATED NON-RECLOSING DEVICES [Go to Page]
- 6.1 GENERAL [Go to Page]
- 6.1.1 Applicability of Part 6 Requirements
- 6.1.2 Manually Reset Devices
- 6.2 DESIGN AND MECHANICAL REQUIREMENTS
- 6.3 MATERIAL REQUIREMENTS
- 6.4 INSPECTION OF MANUFACTURING AND/OR ASSEMBLY
- 6.5 PRODUCTION TESTING
- 6.6 WELDING, BRAZING, HEAT TREATMENT, AND NONDESTRUCTIVE EXAMINATION
- 6.7 MARKING
- PART 7 REQUIREMENTS FOR TEMPERATURE AND PRESSURE RELIEF VALVES [Go to Page]
- 7.1 GENERAL
- 7.2 DESIGN AND MECHANICAL REQUIREMENTS
- 7.3 MATERIAL REQUIREMENTS
- 7.4 INSPECTION OF MANUFACTURING AND/OR ASSEMBLY
- 7.5 PRODUCTION TESTING
- 7.6 WELDING
- 7.7 MARKING
- 7.8 CERTIFICATION OF CAPACITY
- PART 8 REQUIREMENTS FOR DEVICES IN COMBINATION [Go to Page]
- 8.1 GENERAL
- 8.2 RUPTURE DISK DEVICE INSTALLED BETWEEN A PRESSURE RELIEF VALVE AND THE PRESSURIZED EQUIPMENT
- 8.3 RUPTURE DISK DEVICE INSTALLED ON THE OUTLET SIDE OF A PRESSURE RELIEF VALVE
- 8.4 PIN DEVICE INSTALLED BETWEEN A PRESSURE RELIEF VALVE AND THE PRESSURIZED EQUIPMENT
- 8.5 MARKING
- PART 9 CAPACITY AND FLOW RESISTANCE CERTIFICATION [Go to Page]
- 9.1 GENERAL [Go to Page]
- 9.1.1 General Certification Requirements
- 9.1.2 Test Facility and Supervision
- 9.1.3 Test Data Report
- 9.1.4 Design Changes
- 9.2 REQUIREMENTS FOR PRESSURE RELIEF VALVES [Go to Page]
- 9.2.1 Blowdown
- 9.2.2 Pilot-Operated Pressure Relief Valves
- 9.2.3 Use of V-Designated Valves for UV-Designated Applications
- 9.2.4 Nozzle-Type Pressure Relief Valves for Saturated Water
- 9.3 REQUIREMENTS FOR NON-RECLOSING PRESSURE RELIEF DEVICES
- 9.4 REQUIREMENTS FOR SPRING-ACTUATED NON-RECLOSING PRESSURE RELIEF DEVICES
- 9.5 REQUIREMENTS FOR PRESSURE RELIEF VALVES IN COMBINATION WITH NON-RECLOSING PRESSURE RELIEF DEVICES
- 9.6 OPTIONAL TESTING OF NON-RECLOSING PRESSURE RELIEF DEVICES AND PRESSURE RELIEF VALVES
- 9.7 CERTIFICATION METHODS [Go to Page]
- 9.7.1 Test Fluid
- 9.7.2 Test Pressure
- 9.7.3 Design Certification by the Single-Valve Method
- 9.7.4 Design Certification by the Three-Device Method
- 9.7.5 Design Certification by the Four-Device Method
- 9.7.6 Device Family Certification by the Coefficient of Discharge Method
- 9.7.7 Flow Resistance Method
- 9.8 ALTERNATIVE METHODS FOR VALVES AND PIN DEVICES EXCEEDING THE LABORATORY CAPABILITIES
- 9.9 CAPACITY CERTIFICATION OF SECTION III (NV-DESIGNATED) PRESSURE RELIEF VALVES [Go to Page]
- 9.9.1 Certification Set Pressures of 20 kPa (3 psig) Up to but Not Including 100 kPa (15 psig)
- 9.9.2 Vacuum Pressure Relief Valves
- 9.9.3 Flow Model Testing of Valve Capacity in Excess of Test Facility Limits
- 9.9.4 Demonstration of Function
- PART 10 AUTHORIZATION TO USE THE ASME CERTIFICATION MARK [Go to Page]
- 10.1 CERTIFICATION MARK
- 10.2 CERTIFICATES OF AUTHORIZATION
- 10.3 DESIGNATED OVERSIGHT
- 10.4 QUALITY MANAGEMENT SYSTEM
- 10.5 EVALUATION OF THE QUALITY MANAGEMENT SYSTEM
- 10.6 CERTIFIED INDIVIDUAL (CI)
- 10.7 CERTIFICATE OF CONFORMANCE
- PART 11 REQUIREMENTS FOR OPEN FLOW PATHS OR VENTS [Go to Page]
- 11.1 APPLICABILITY
- PART 12 INSTALLATION [Go to Page]
- 12.1 APPLICABILITY
- 12.2 GENERAL
- 12.3 LOCATION
- 12.4 RUPTURE DISK INSTALLATION
- 12.5 INLET PIPING
- 12.6 MOUNTING OF TWO OR MORE REQUIRED DEVICES
- 12.7 ORIENTATION OF PRESSURE RELIEF VALVES
- 12.8 DISCHARGE PIPING
- 12.9 STOP VALVES
- PART 13 RULES FOR OVERPRESSURE PROTECTION BY SYSTEM DESIGN [Go to Page]
- 13.1 GENERAL
- 13.2 PRESSURIZED EQUIPMENT FOR WHICH THE PRESSURE IS SELF-LIMITING
- 13.3 PRESSURIZED EQUIPMENT FOR WHICH THE PRESSURE IS NOT SELF-LIMITING
- Figures [Go to Page]
- Figure 9.9.1.2-1 Values of F for Nonchoking Flow
- Figure 10.1-1 ASME Certification Mark With Designator
- Figure I-2-1 Typical Curtain Areas of Pressure Relief Devices
- Figure IV-1-1M Constant, C, for Gas or Vapor Related to Ratio of Specific Heats (k = cp/cv)
- Figure IV-1-1 Constant, C, for Gas or Vapor Related to Ratio of Specific Heats (k = cp/cv)
- Figure IV-2-1M Flow Capacity Curve for Rating Nozzle-Type Pressure Relief Devices on Saturated Water (Based on 10% Overpressure)
- Figure IV-2-1 Flow Capacity Curve for Rating Nozzle-Type Pressure Relief Devices on Saturated Water (Based on 10% Overpressure)
- Tables [Go to Page]
- Table 1.4-1 Year of Acceptable Edition of Referenced Standards in This Section
- Table 2.1-1 Permitted Pressure Relief Devices or Methods by ASME BPVC Section
- Table 3.4.2.3-1 Maximum Blowdown for Sample Valves During Testing
- Table 3.6.3.1-1 Test Fluid for Set Pressure Tests
- Table 3.6.3.1-2 Set Pressure Tolerances for Pressure Relief Valves
- Table 9.7.2-1 Test Pressure for Certification Tests
- Table IV-3-1 Molecular Weights of Gases and Vapors
- Table C-1-1 Summary of Certificate of Conformance Forms
- Table C-2-1 Guide for the Preparation of Manufacturer’s Certificate of Conformance Form HV-1
- Table C-2-2 Supplementary Instructions for the Preparation of Manufacturer’s or Assembler’s Certificate of Conformance Forms UV-1 and UD-1
- Table C-2-3 Supplementary Instructions for the Preparation of Manufacturer’s or Assembler’s Certificate of Conformance Form K-4
- Table C-2-4 Supplementary Instructions for the Preparation of Manufacturer’s Certificate of Conformance Form K-5
- Table C-2-5 Supplementary Instructions for the Preparation of Manufacturer’s or Assembler’s Certificate of Conformance Forms TV-1 and TD-1
- Forms [Go to Page]
- FORM HV-1 MANUFACTURER’S CERTIFICATE OF CONFORMANCE FOR PRESSURE RELIEF VALVES
- FORM UV-1 MANUFACTURER’S OR ASSEMBLER’S CERTIFICATE OF CONFORMANCE FOR PRESSURE RELIEF VALVES
- FORM UD-1 MANUFACTURER’S CERTIFICATE OF CONFORMANCE FOR NONRECLOSING PRESSURE RELIEF DEVICES
- FORM K-4 MANUFACTURER’S OR ASSEMBLER’S CERTIFICATE OF CONFORMANCE FOR PRESSURE RELIEF VALVES
- FORM K-5 MANUFACTURER’S CERTIFICATE OF CONFORMANCE FOR RUPTURE DISK DEVICES
- FORM TV-1 MANUFACTURER’S OR ASSEMBLER’S CERTIFICATE OF CONFORMANCE FOR PRESSURE RELIEF VALVES
- FORM TD-1 MANUFACTURER’S CERTIFICATE OF CONFORMANCE FOR NONRECLOSING PRESSURE RELIEF DEVICES
- MANDATORY APPENDICES [Go to Page]
- MANDATORY APPENDIX I DEFINITIONS [Go to Page]
- I-1 INTRODUCTION
- I-2 DEFINITIONS OF TERMS
- MANDATORY APPENDIX II ADHESIVE ATTACHMENT OF NAMEPLATES [Go to Page]
- II-1 SCOPE
- II-2 NAMEPLATE APPLICATION PROCEDURE QUALIFICATION
- II-3 REFERENCES
- MANDATORY APPENDIX III QUALITY CONTROL SYSTEM [Go to Page]
- III-1 GENERAL
- III-2 OUTLINE OF FEATURES INCLUDED IN THE QUALITY CONTROL SYSTEM
- MANDATORY APPENDIX IV CAPACITY CONVERSION [Go to Page]
- IV-1 INTRODUCTION
- IV-2 EQUATIONS FOR DETERMINING CAPACITY
- IV-3 CAPACITY CONVERSION EXAMPLES
- IV-4 EQUATIONS FOR CONVERSION (INCOMPRESSIBLE FLUIDS)
- NONMANDATORY APPENDICES [Go to Page]
- NONMANDATORY APPENDIX A GUIDANCE FOR THE USE OF U.S. CUSTOMARY AND SI UNITS IN THE ASME BOILER AND PRESSURE VESSEL CODE [Go to Page]
- A-1 USE OF UNITS IN EQUATIONS
- A-2 GUIDELINES USED TO DEVELOP SI EQUIVALENTS
- A-3 SOFT CONVERSION FACTORS
- NONMANDATORY APPENDIX B STOP VALVES USED IN PRESSURE RELIEF SYSTEMS [Go to Page]
- B-1 INTRODUCTION
- B-2 STOP VALVES LOCATED IN THE RELIEF PATH
- B-3 DEFINITIONS
- B-4 RESPONSIBILITIES
- B-5 PROCEDURES AND MANAGEMENT SYSTEMS
- B-6 STOP VALVES IN SYSTEMS WITH PRESSURE FROM AN OUTSIDE SOURCE
- B-7 STOP VALVES UPSTREAM OR DOWNSTREAM OF THE PRESSURE RELIEF DEVICE
- B-8 STOP VALVES IN THE PRESSURE RELIEF PATHS HANDLING PROCESS FLOW
- B-9 STOP VALVES IN THE RELIEF PATHS WHERE FIRE IS SOURCE OF OVERPRESSURE
- NONMANDATORY APPENDIX C GUIDE TO MANUFACTURER’S AND ASSEMBLER’S CERTIFICATES OF CONFORMANCE FOR PRESSURE RELIEF DEVICES [Go to Page]
- C-1 INTRODUCTION
- C-2 CERTIFICATE OF CONFORMANCE FORMS [Go to Page]
