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ASME NM.1 - 2020 Thermoplastic Piping Systems, 2020
- CONTENTS
- FOREWORD
- ASME NPPS COMMITTEE ROSTER
- CORRESPONDENCE WITH THE NPPS COMMITTEE
- INTRODUCTION
- ASME NM.1-2020 SUMMARY OF CHANGES
- Chapter 1 Scope and Definitions [Go to Page]
- 1-1 SCOPE
- 1-2 GENERAL [Go to Page]
- 1-2.1 Content and Coverage
- 1-3 DEFINITIONS
- 1-4 ABBREVIATIONS
- 1-5 STATUS OF APPENDICES
- Chapter 2 Design [Go to Page]
- 2-1 DESIGN CONDITIONS [Go to Page]
- 2-1.1 General
- 2-1.2 Pressure, Temperature, and Other Loads
- 2-2 DESIGN CRITERIA [Go to Page]
- 2-2.1 General
- 2-2.2 Pressure–Temperature Ratings for Piping Components
- 2-2.3 Allowable Stress Values and Other Stress Limits for Piping Components
- 2-2.4 Design Allowances
- 2-3 PRESSURE DESIGN OF PIPING COMPONENTS [Go to Page]
- 2-3.1 Criteria for Pressure Design of Piping Components
- 2-3.2 Pressure Design of Components
- 2-3.3 Analysis of Piping Components
- 2-4 OTHER DESIGN CONSIDERATIONS [Go to Page]
- 2-4.1 Design of Pipe Support Elements
- 2-4.2 Moduli of Elasticity
- Chapter 3 Materials [Go to Page]
- 3-1 GENERAL
- 3-2 MATERIALS AND SPECIFICATIONS [Go to Page]
- 3-2.1 Listed Materials
- 3-2.2 Unlisted Materials
- 3-2.3 Unknown Thermoplastic Materials
- 3-2.4 Size or Thickness
- 3-2.5 Limitations on Materials
- 3-2.6 Marking of Thermoplastic Materials or Products
- 3-3 THERMOPLASTIC COMPOSITE MATERIALS
- Chapter 4 Standards for Piping Components [Go to Page]
- 4-1 GENERAL
- 4-2 REFERENCE DOCUMENTS [Go to Page]
- 4-2.1 Standards and Specifications
- 4-2.2 Additional References
- Chapter 5 Fabrication, Assembly, and Erection [Go to Page]
- 5-1 GENERAL [Go to Page]
- 5-1.1 Scope
- 5-1.2 Joining Thermoplastic Piping Components
- 5-1.3 Procedure Specification
- 5-1.4 Standard Fusing Procedure Specification
- 5-1.5 Procedure Qualification Record
- 5-1.6 Performance Qualification
- 5-1.7 Performance Qualification Test Record
- 5-1.8 Variables
- 5-1.9 Organizational Responsibility
- 5-1.10 Ownership Transfers
- 5-1.11 Qualification Tests
- 5-2 THERMOPLASTIC FUSING REQUIREMENTS [Go to Page]
- 5-2.1 Scope
- 5-2.2 Procedure Qualifications
- 5-2.3 Fusion Performance Qualifications
- 5-2.4 Variables
- 5-2.5 Thermoplastic Fusing Equipment Qualifications
- 5-2.6 Thermoplastic Joining Using Heat-Fusion Methods
- 5-2.7 Application-Specific Joint Requirements for Heat Fusion
- 5-2.8 Examination and Tests
- 5-3 THERMOPLASTIC SOLVENT FUSION REQUIREMENTS [Go to Page]
- 5-3.1 Scope
- 5-3.2 Procedure Qualifications
- 5-3.3 Performance Qualifications
- 5-3.4 Variables
- 5-3.5 Thermoplastic Joining Using Solvent Cement
- 5-3.6 Examinations and Tests
- Chapter 6 Inspection, Examination, and Testing [Go to Page]
- 6-1 INSPECTION [Go to Page]
- 6-1.1 Responsibility for Inspection
- 6-1.2 Rights of the Owner’s Inspector
- 6-1.3 Qualifications of the Owner’s Inspector
- 6-2 EXAMINATION [Go to Page]
- 6-2.1 Responsibility for Examination
- 6-2.2 Examination Requirements
- 6-2.3 Extent of Required Examination
- 6-2.4 Supplementary Examination
- 6-2.5 Examination Personnel
- 6-2.6 Examination Procedures
- 6-2.7 Types of Examination
- 6-3 TESTING [Go to Page]
- 6-3.1 Required Leakage Test
- 6-3.2 General Requirements for Leakage Tests
- 6-3.3 Preparation for Leakage Test
- 6-3.4 Hydrostatic Leakage Test
- 6-3.5 Pneumatic Leakage Test
- 6-3.6 Initial Service Leakage Test
- Chapter 7 Use of Metallic Piping Lined With Thermoplastics [Go to Page]
- 7-1 GENERAL
- 7-2 STANDARDS
- 7-3 MATERIALS
- 7-4 DESIGN CONSIDERATIONS [Go to Page]
- 7-4.1 Qualifications of the Designer
- 7-4.2 Design Pressure
- 7-4.3 Design Temperature
- 7-4.4 Design Criteria
- 7-5 FABRICATION AND INSTALLATION [Go to Page]
- 7-5.1 Assembler Qualifications
- 7-5.2 Recommended Installation Practices
- 7-5.3 Flangeless or Reduced-Flanged Piping
- 7-5.4 Connections of Thermoplastic-Lined Metallic Piping to Other Types of Piping
- 7-5.5 Cold-Temperature Installation
- 7-5.6 Field Fabrication Certification
- 7-5.7 Bonder Qualification for Fusion Welding Liners
- 7-5.8 Cleaning Procedures
- 7-5.9 External Paint Systems
- 7-5.10 Buried Piping
- 7-6 STORAGE AND HANDLING GUIDELINES
- 7-7 INSPECTION, EXAMINATION, AND TESTING [Go to Page]
- 7-7.1 Inspection
- 7-7.2 Examination
- 7-7.3 Testing
- Chapter 8 Multilayered Reinforced Thermoplastic Piping Systems [Go to Page]
- 8-1 SCOPE
- 8-2 APPLICABILITY
- 8-3 DESIGN [Go to Page]
- 8-3.1 Project Application Information
- 8-3.2 Maximum Allowable Operating Pressure
- 8-3.3 Minimum Allowable Operating Pressure
- 8-3.4 Minimum Qualified Pressure
- 8-3.5 Surge Pressure
- 8-3.6 Maximum Allowable Operating Temperature
- 8-3.7 Maximum Qualified Temperature
- 8-3.8 Minimum Allowable Operating Temperature
- 8-3.9 Minimum Qualified Temperature
- 8-3.10 Temperature Fluctuations
- 8-3.11 Design Life
- 8-3.12 Fittings and Joints
- 8-3.13 System Supports
- 8-3.14 Minimum Operating Bend Radius
- 8-3.15 Fluid Composition
- 8-3.16 Sour Service
- 8-3.17 Additional Design Considerations
- 8-4 FABRICATION, ASSEMBLY, AND ERECTION [Go to Page]
- 8-4.1 Fabrication
- 8-4.2 Assembly and Erection
- 8-4.3 Installation
- 8-5 EXAMINATION, INSPECTION, AND TESTING [Go to Page]
- 8-5.1 General
- 8-5.2 Examination
- 8-5.3 Inspection
- 8-5.4 Testing
- Figures [Go to Page]
- Figure 2-3.2.2-1 Nomenclature for 90-deg Mitered Elbows
- Figure 2-3.2.4-1 Tapered Transition Joint
- Figure 5-1.11-1 Fusion Positions
- Figure 5-1.11-2 Fusion Test Positions
- Figure 5-2.6-1 Heat Fusion Joints
- Figure 5-2.6.1-1 Required Minimum Melt Bead Size
- Figure 5-2.8.1.1-1 Cross Section of Upset Beads for Butt-Fused Pipe
- Figure 5-2.8.1.1-2 Cross Section of Upset Beads for Sidewall-Fused Fitting (Profile at Crotch of Fitting)
- Figure 5-2.8.1.3-1 Bend Test Specimen Removal, Configurations, and Testing
- Figure 5-2.8.1.3-2 Electrofusion Bend Test
- Figure 5-2.8.1.4-1 HSTIT Specimen Configuration and Dimensions
- Figure 5-2.8.1.4-2 HSTIT Specimen Failure Examples
- Figure 5-2.8.1.4-3 Electrofusion Peel Test
- Figure 5-2.8.1.4-4 Short-Term Hydrostatic Test Specimen
- Figure 5-3.5-1 Solvent Fusion Joint
- Figure 5-3.6.2-1 Solvent Fusion Specimens
- Figure 7-4.4.4.4-1 Stress Range Factor, f
- Figure I-7.7-1 Instruction on Preparing and Cutting Electrofusion Coupling for Crush Test
- Figure I-7.8-1 Joint Crush Specimens in Vise
- Figure I-8.2-1 Polyethylene Pipe Butt-Fusion Joint O.D. Bead (Cross-Sectional View)
- Figure I-9.1-1 Cross-Sectional View of PA-11 Butt-Fusion Bead
- Figure I-9.2-1 Cross-Sectional View of an Electrofusion Coupling
- Figure I-9.2-2 Fit-Up Gap
- Figure I-9.3-1 Cross-Sectional View of a PP and PVDF Butt-Fusion Liner Bead Formed Against the Heater Plate
- Figure III-3-1 Solvent-Cement-Weld Shrink-Back Appearance (Cross-Sectional View)
- Figure V-1.1-1 Socket Configuration
- Figure V-1.2-1 Threaded Configuration
- Figure V-2.3-1 One-Piece Thermoplastic Flange With Reinforcing Rings
- Figure A-2.3-1 Contact Area Between Flange Adapter and Backup Ring
- Figure A-2.3-2 Plate Flange Adapter
- Figure A-2.3-3 Convoluted Backup Ring
- Figure A-4.3.1-1 Thermoplastic Flange Adapter — Typical for PE, PP, and PVDF Butt-Fused Lap-Joint Flange Connections
- Figure A-4.3.2-1 Typical ISO or DVS Metric Spigot Socket-Fusion Flange Adapters
- Figure A-4.3.2-2 Typical ISO or DVS Metric Flange Adapters for Socket Fusing
- Figure A-4.3.2-3 Special ISO or DVS Metric Butt-Fusion Flange Adapter for Higher-Pressure Connections
- Figure A-5.2-1 Transistor Flange Arrangement
- Figure A-5.2-2 Solid PVDF Flange and Backup Ring to Thermoplastic-Lined Metal Pipe
- Figure A-5.3-1 One-Piece Flange
- Figure A-5.3-2 Flange Adapter
- Figure A-9.4-1 Drawings for Bolts With Nuts and Stud Bolts With Nuts
- Tables [Go to Page]
- Table 1-4-1 Abbreviations
- Table 1-5-1 Status of Appendices
- Table 2-3.2.2-1 Geometric Shape Rating (GSR) for HDPE Fittings
- Table 2-3.2.2-2 Design Factor (DF)
- Table 2-3.2.2-3 Pressure Rating (PR) at 23°C (73°F)
- Table 4-2.1-1 Specifications and Standards
- Table 4-2.1-2 Procurement Information
- Table 5-1.4-1 Fusing Variables Procedure Specification Polyethylene Pipe Butt Fusing
- Table 5-1.4-2 Fusing Variables Procedure Specification Polyethylene Pipe Electrofusion
- Table 5-1.4-3 Manual Butt-Fusing Variables Procedure Specification Polyethylene Pipe Manual Butt Fusing
- Table 5-1.4-4 Fusing Variables Procedure Specification Polyethylene Sidewall Fusing
- Table 5-2.4.3-1 Pipe Fusing Diameter Limits
- Table 5-2.6.1-1 Maximum Heater Plate Removal Time for Polyethylene Butt and Sidewall Fusion
- Table 5-2.6.1-2 Maximum Heater Plate Removal Time for Polypropylene Butt and Sidewall Fusion
- Table 5-2.6.1-3 Maximum Heater Plate Removal Time for PVDF Butt Fusion
- Table 5-2.8.1.2-1 Pipe Fiber Stresses — Elevated-Temperature Sustained-Pressure Test
- Table 5-2.8.1.2-2 Pipe Fiber Stresses —Minimum Hydraulic Burst Pressure
- Table 5-2.8.1.4-1 Testing Speed Requirements
- Table 5-2.8.2.2-1 Electrofusion Procedure Qualification Test Coupon Required
- Table 5-3.4-1 Joining Variables Procedure Specification Solvent Cement
- Table 5-3.5-1 PVC/CPVC — Applicator Selection Guide
- Table 5-3.5-2 PVC/CPVC — Average Handling and Setup Times
- Table 5-3.5-3 PVC/CPVC — Average Cure Times
- Table 7-4.4.4.3-1 Increased Casting Quality Factor, Ec
- Table 7-4.4.4.3-2 Acceptance Levels for Castings
- Table 7-4.4.10-1 Working Pressures for Metallic Flanges and Fittings Lined With Thermoplastics
- Table I-8-1 Essential Variables for Heat-Fusing JPS for PA-11
- Table I-8-2 Essential Variables for Electrofusion JPS for PA-11 Electrofusion Couplings
- Table I-8-3 Essential Variables for Heat Fusion JPS for PP, PVDF, and PTFE/PFA Liners
- Table I-9.3-1 Steel Pipe Liner Thickness for PP, PVDF, and PTFE/PFA Liners
- Table II-1.3-1 Pressure Ratings for Molded PVC and CPVC Threaded Adapters
- Table II-2.5.2-1 Pressure Ratings for PVC and CPVC Field-Threaded Pipe Ends
- Table IV-1 Stress Intensification Factors, i, and Flexibility Factors, k, for High-Density Polyethylene
- Table A-2.1-1 NPS Backup Rings for Thermoplastic Pipe
- Table A-2.1-2 Metric Backup Rings for Thermoplastic Pipe
- Table A-2.4-1 Solvent-Cement-Weld Socket PVC and CPVC Lap-Joint Flanges
- Table A-2.4-2 PVC and CPVC Spigot (Spig) Flange
- Table A-2.4-3 PVC and CPVC Threaded Lap-Joint Flange
- Table A-2.4-4 Steel Backup Rings for ABS Flange Adapters
- Table A-3-1 Proof-Test Requirements for TLJF Connections
- Table A-4.4-1 Full-Face ABS Socket Flange Adapter
- Table A-4.4-2 ABS Socket Flange Adapter
- Table A-5.1-1 Acceptable Methods for Installing Thermoplastic Flange Adapters to Thermoplastic Pipe and Fittings
- Table A-7.2-1 Gasket Requirements for Thermoplastic Flanges
- Table B-2.2.2.1-1 Soil Pressure Under H-20 Load Without Impact Factor (Flexible Pavement or Unpaved Roads)
- Table B-2.2.2.1-2 Soil Pressure Under H-20 Load on Rigid Pavement With Impact Factor
- Table B-4.2.1-1 Typical Soil Unit Weight
- Table B-4.2.2-1 Eʹ Values for Typical Soils
- Table B-4.2.2-2 Eʹ Values per Depth of Cover
- Table B-4.2.2-3 Native Soil Eʹ
- Table B-4.2.2-4 Soil Support Factor, FS
- Table C-2-1 Pipe Wall Flexibility Reduction Factors, ψC
- MANDATORY APPENDIX I FUSING AND ELECTROFUSING OF POLYAMIDE-11 THERMOPLASTIC PIPING; AND FUSING OF POLYPROPYLENE, POLY(VINYLIDENE FLUORIDE), AND POLY(TETRAFLUOROETHYLENE) PLASTIC LINERS OF LINED STEEL PIPE [Go to Page]
- I-1 GENERAL REQUIREMENTS
- I-2 SCOPE
- I-3 JOINING PROCEDURE
- I-4 JOINING PROCEDURES QUALIFIED BY EMPLOYERS OR AGENTS
- I-5 EVALUATION OF TEST SPECIMENS
- I-6 SIZE RANGE FOR SPECIMENS
- I-7 TEST METHODS REQUIRED FOR PROCEDURE QUALIFICATION
- I-8 ESSENTIAL VARIABLES FOR FUSING PA-11
- I-9 VERIFICATION OF ESSENTIAL VARIABLES
- I-10 JOINING PROCEDURE SPECIFICATION
- I-11 QUALIFICATION OF A FUSING JPS
- I-12 QUALIFICATION OF AN ELECTROFUSION JPS
- I-13 FUSING OPERATOR QUALIFICATION
- MANDATORY APPENDIX II THREADED THERMOPLASTIC CONNECTIONS [Go to Page]
- II-1 SCOPE
- II-2 THREADED JOINT DESIGN
- MANDATORY APPENDIX III ACCEPTANCE CRITERIA FOR THERMOPLASTIC JOINTS [Go to Page]
- III-1 SCOPE
- III-2 POLYETHYLENE (HDPE) BUTT-FUSED JOINTS
- III-3 PVC AND CPVC SOLVENT-CEMENT-WELDED JOINTS
- MANDATORY APPENDIX IV STRESS INTENSIFICATION FACTORS AND FLEXIBILITY FACTORS
- MANDATORY APPENDIX V ONE-PIECE THERMOPLASTIC FLANGES [Go to Page]
- V-1 SCOPE
- V-2 DESIGN
- V-3 PROOF-TESTING REQUIREMENTS FOR ONE-PIECE THERMOPLASTIC FLANGES
- V-4 SUBMITTAL INFORMATION FOR ONE-PIECE THERMOPLASTIC FLANGES
- NONMANDATORY APPENDIX A COMPONENTS FOR THERMOPLASTIC LAP-JOINT FLANGE CONNECTIONS [Go to Page]
- A-1 SCOPE
- A-2 GENERAL REQUIREMENTS FOR BACKUP RINGS FOR TLJF CONNECTIONS
- A-3 PROOF-TEST REQUIREMENTS FOR TLJF CONNECTIONS
- A-4 DESIGN REQUIREMENTS FOR TLJF ADAPTERS
- A-5 METHODS OF INSTALLING FLANGE ADAPTERS ONTO THERMOPLASTIC PIPES AND FITTINGS
- A-6 FLANGE-TO-FLANGE CONNECTIONS
- A-7 GASKETS
- A-8 TIGHTENING OF BOLTS
- A-9 WASHERS, BOLTS, NUTS, AND STUDS
- A-10 BOLTED JOINT ASSEMBLY RECORDS
- NONMANDATORY APPENDIX B DESIGN REQUIREMENTS FOR BURIED PIPING [Go to Page]
- B-1 INTRODUCTION
- B-2 LOADS
- B-3 PIPING ANALYSIS
- B-4 SOIL
- B-5 REFERENCES
- NONMANDATORY APPENDIX C PRESSURE SURGE FROM FLUID TRANSIENT [Go to Page]
- C-1 LIQUID FLUID FLOW
- C-2 WAVE VELOCITY
- C-3 PRESSURE SURGE
- NONMANDATORY APPENDIX D MULTILAYERED REINFORCED THERMOPLASTIC PIPING SYSTEM(S) OPERATION, MAINTENANCE, AND REPAIR [Go to Page]
- D-1 SCOPE
- D-2 GENERAL
- D-3 OPERATION
- D-4 MAINTENANCE
- D-5 REPAIR [Go to Page]