ASME NM.1 2020

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ASME NM.1 – 2020 Thermoplastic Piping Systems

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ASME	2020

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Description

ASME NM.1 provides requirements for the design, materials, manufacturing, fabrication, installation, inspection, examination and testing of thermoplastic pressure piping systems. The standard addresses both pipe and piping components that are produced as standard products and custom products that are designed for a specific application.

PDF Catalog

PDF Pages	PDF Title
4	CONTENTS
8	FOREWORD
9	ASME NPPS COMMITTEE ROSTER
12	CORRESPONDENCE WITH THE NPPS COMMITTEE
14	INTRODUCTION
17	ASME NM.1-2020 SUMMARY OF CHANGES
18	Chapter 1 Scope and Definitions 1-1 SCOPE 1-2 GENERAL
19	1-2.1 Content and Coverage 1-3 DEFINITIONS
24	1-4 ABBREVIATIONS 1-5 STATUS OF APPENDICES
25	Tables Table 1-4-1 Abbreviations
26	Table 1-5-1 Status of Appendices
27	Chapter 2 Design 2-1 DESIGN CONDITIONS 2-1.1 General 2-1.2 Pressure, Temperature, and Other Loads
28	2-2 DESIGN CRITERIA 2-2.1 General 2-2.2 Pressure–Temperature Ratings for Piping Components
29	2-2.3 Allowable Stress Values and Other Stress Limits for Piping Components
30	2-2.4 Design Allowances
31	2-3 PRESSURE DESIGN OF PIPING COMPONENTS 2-3.1 Criteria for Pressure Design of Piping Components 2-3.2 Pressure Design of Components
32	Table 2-3.2.2-1 Geometric Shape Rating (GSR) for HDPE Fittings
33	Figures Figure 2-3.2.2-1 Nomenclature for 90-deg Mitered Elbows Table 2-3.2.2-2 Design Factor (DF)
34	2-3.3 Analysis of Piping Components Table 2-3.2.2-3 Pressure Rating (PR) at 23°C (73°F)
35	Figure 2-3.2.4-1 Tapered Transition Joint
38	2-4 OTHER DESIGN CONSIDERATIONS 2-4.1 Design of Pipe Support Elements
39	2-4.2 Moduli of Elasticity
40	Chapter 3 Materials 3-1 GENERAL 3-2 MATERIALS AND SPECIFICATIONS 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
41	3-3 THERMOPLASTIC COMPOSITE MATERIALS
42	Chapter 4 Standards for Piping Components 4-1 GENERAL 4-2 REFERENCE DOCUMENTS 4-2.1 Standards and Specifications 4-2.2 Additional References
43	Table 4-2.1-1 Specifications and Standards
49	Table 4-2.1-2 Procurement Information
50	Chapter 5 Fabrication, Assembly, and Erection 5-1 GENERAL 5-1.1 Scope 5-1.2 Joining Thermoplastic Piping Components 5-1.3 Procedure Specification
51	5-1.4 Standard Fusing Procedure Specification 5-1.5 Procedure Qualification Record Table 5-1.4-1 Fusing Variables Procedure Specification Polyethylene Pipe Butt Fusing
52	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
53	5-1.6 Performance Qualification 5-1.7 Performance Qualification Test Record 5-1.8 Variables 5-1.9 Organizational Responsibility
55	5-1.10 Ownership Transfers
56	5-1.11 Qualification Tests Figure 5-1.11-1 Fusion Positions
57	Figure 5-1.11-2 Fusion Test Positions
58	5-2 THERMOPLASTIC FUSING REQUIREMENTS 5-2.1 Scope 5-2.2 Procedure Qualifications 5-2.3 Fusion Performance Qualifications
59	5-2.4 Variables 5-2.5 Thermoplastic Fusing Equipment Qualifications Table 5-2.4.3-1 Pipe Fusing Diameter Limits
60	5-2.6 Thermoplastic Joining Using Heat-Fusion Methods Figure 5-2.6-1 Heat Fusion Joints
61	Figure 5-2.6.1-1 Required Minimum Melt Bead Size
62	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
63	5-2.7 Application-Specific Joint Requirements for Heat Fusion 5-2.8 Examination and Tests
64	Figure 5-2.8.1.1-1 Cross Section of Upset Beads for Butt-Fused Pipe
65	Figure 5-2.8.1.1-2 Cross Section of Upset Beads for Sidewall-Fused Fitting (Profile at Crotch of Fitting)
66	Table 5-2.8.1.2-1 Pipe Fiber Stresses — Elevated-Temperature Sustained-Pressure Test
67	Table 5-2.8.1.2-2 Pipe Fiber Stresses —Minimum Hydraulic Burst Pressure
68	Figure 5-2.8.1.3-1 Bend Test Specimen Removal, Configurations, and Testing
70	Figure 5-2.8.1.3-2 Electrofusion Bend Test
71	Figure 5-2.8.1.4-1 HSTIT Specimen Configuration and Dimensions Table 5-2.8.1.4-1 Testing Speed Requirements
72	Figure 5-2.8.1.4-2 HSTIT Specimen Failure Examples
73	Figure 5-2.8.1.4-3 Electrofusion Peel Test
74	Figure 5-2.8.1.4-4 Short-Term Hydrostatic Test Specimen
77	Table 5-2.8.2.2-1 Electrofusion Procedure Qualification Test Coupon Required
78	5-3 THERMOPLASTIC SOLVENT FUSION REQUIREMENTS 5-3.1 Scope 5-3.2 Procedure Qualifications 5-3.3 Performance Qualifications
79	5-3.4 Variables 5-3.5 Thermoplastic Joining Using Solvent Cement Table 5-3.4-1 Joining Variables Procedure Specification Solvent Cement
80	Figure 5-3.5-1 Solvent Fusion Joint
81	5-3.6 Examinations and Tests Table 5-3.5-1 PVC/CPVC — Applicator Selection Guide
82	Table 5-3.5-2 PVC/CPVC — Average Handling and Setup Times Table 5-3.5-3 PVC/CPVC — Average Cure Times
83	Figure 5-3.6.2-1 Solvent Fusion Specimens
85	Chapter 6 Inspection, Examination, and Testing 6-1 INSPECTION 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 6-2.1 Responsibility for Examination
86	6-2.2 Examination Requirements 6-2.3 Extent of Required Examination
87	6-2.4 Supplementary Examination 6-2.5 Examination Personnel 6-2.6 Examination Procedures 6-2.7 Types of Examination
88	6-3 TESTING 6-3.1 Required Leakage Test 6-3.2 General Requirements for Leakage Tests
89	6-3.3 Preparation for Leakage Test 6-3.4 Hydrostatic Leakage Test
90	6-3.5 Pneumatic Leakage Test 6-3.6 Initial Service Leakage Test
91	Chapter 7 Use of Metallic Piping Lined With Thermoplastics 7-1 GENERAL 7-2 STANDARDS 7-3 MATERIALS 7-4 DESIGN CONSIDERATIONS 7-4.1 Qualifications of the Designer
92	7-4.2 Design Pressure 7-4.3 Design Temperature 7-4.4 Design Criteria
94	Table 7-4.4.4.3-1 Increased Casting Quality Factor, Ec Table 7-4.4.4.3-2 Acceptance Levels for Castings
95	Figure 7-4.4.4.4-1 Stress Range Factor, f
97	Table 7-4.4.10-1 Working Pressures for Metallic Flanges and Fittings Lined With Thermoplastics
99	7-5 FABRICATION AND INSTALLATION 7-5.1 Assembler Qualifications 7-5.2 Recommended Installation Practices
100	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
101	7-6 STORAGE AND HANDLING GUIDELINES 7-7 INSPECTION, EXAMINATION, AND TESTING 7-7.1 Inspection
102	7-7.2 Examination
104	7-7.3 Testing
107	Chapter 8 Multilayered Reinforced Thermoplastic Piping Systems 8-1 SCOPE 8-2 APPLICABILITY 8-3 DESIGN 8-3.1 Project Application Information 8-3.2 Maximum Allowable Operating Pressure
108	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
109	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 8-4.1 Fabrication 8-4.2 Assembly and Erection
110	8-4.3 Installation
111	8-5 EXAMINATION, INSPECTION, AND TESTING 8-5.1 General 8-5.2 Examination 8-5.3 Inspection 8-5.4 Testing
113	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 I-1 GENERAL REQUIREMENTS I-2 SCOPE I-3 JOINING PROCEDURE I-4 JOINING PROCEDURES QUALIFIED BY EMPLOYERS OR AGENTS
114	I-5 EVALUATION OF TEST SPECIMENS I-6 SIZE RANGE FOR SPECIMENS I-7 TEST METHODS REQUIRED FOR PROCEDURE QUALIFICATION
116	Figure I-7.7-1 Instruction on Preparing and Cutting Electrofusion Coupling for Crush Test
117	Figure I-7.8-1 Joint Crush Specimens in Vise I-8 ESSENTIAL VARIABLES FOR FUSING PA-11
118	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
119	Table I-8-3 Essential Variables for Heat Fusion JPS for PP, PVDF, and PTFE/PFA Liners
120	Figure I-8.2-1 Polyethylene Pipe Butt-Fusion Joint O.D. Bead (Cross-Sectional View) I-9 VERIFICATION OF ESSENTIAL VARIABLES
121	Figure I-9.1-1 Cross-Sectional View of PA-11 Butt-Fusion Bead
122	Figure I-9.2-1 Cross-Sectional View of an Electrofusion Coupling Figure I-9.2-2 Fit-Up Gap
123	Table I-9.3-1 Steel Pipe Liner Thickness for PP, PVDF, and PTFE/PFA Liners
124	Figure I-9.3-1 Cross-Sectional View of a PP and PVDF Butt-Fusion Liner Bead Formed Against the Heater Plate I-10 JOINING PROCEDURE SPECIFICATION
125	I-11 QUALIFICATION OF A FUSING JPS I-12 QUALIFICATION OF AN ELECTROFUSION JPS
126	I-13 FUSING OPERATOR QUALIFICATION
130	MANDATORY APPENDIX II THREADED THERMOPLASTIC CONNECTIONS II-1 SCOPE II-2 THREADED JOINT DESIGN
131	Table II-1.3-1 Pressure Ratings for Molded PVC and CPVC Threaded Adapters
133	Table II-2.5.2-1 Pressure Ratings for PVC and CPVC Field-Threaded Pipe Ends
134	Figure III-3-1 Solvent-Cement-Weld Shrink-Back Appearance (Cross-Sectional View) MANDATORY APPENDIX III ACCEPTANCE CRITERIA FOR THERMOPLASTIC JOINTS III-1 SCOPE III-2 POLYETHYLENE (HDPE) BUTT-FUSED JOINTS III-3 PVC AND CPVC SOLVENT-CEMENT-WELDED JOINTS
135	MANDATORY APPENDIX IV STRESS INTENSIFICATION FACTORS AND FLEXIBILITY FACTORS
136	Table IV-1 Stress Intensification Factors, i, and Flexibility Factors, k, for High-Density Polyethylene
140	MANDATORY APPENDIX V ONE-PIECE THERMOPLASTIC FLANGES V-1 SCOPE V-2 DESIGN
141	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 V-3 PROOF-TESTING REQUIREMENTS FOR ONE-PIECE THERMOPLASTIC FLANGES
142	V-4 SUBMITTAL INFORMATION FOR ONE-PIECE THERMOPLASTIC FLANGES
144	NONMANDATORY APPENDIX A COMPONENTS FOR THERMOPLASTIC LAP-JOINT FLANGE CONNECTIONS A-1 SCOPE A-2 GENERAL REQUIREMENTS FOR BACKUP RINGS FOR TLJF CONNECTIONS
145	Table A-2.1-1 NPS Backup Rings for Thermoplastic Pipe
147	Table A-2.1-2 Metric Backup Rings for Thermoplastic Pipe
148	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
149	A-3 PROOF-TEST REQUIREMENTS FOR TLJF CONNECTIONS A-4 DESIGN REQUIREMENTS FOR TLJF ADAPTERS
150	Table A-2.4-1 Solvent-Cement-Weld Socket PVC and CPVC Lap-Joint Flanges
151	Table A-2.4-2 PVC and CPVC Spigot (Spig) Flange
152	Table A-2.4-3 PVC and CPVC Threaded Lap-Joint Flange
153	Table A-2.4-4 Steel Backup Rings for ABS Flange Adapters
154	Table A-3-1 Proof-Test Requirements for TLJF Connections
155	Figure A-4.3.1-1 Thermoplastic Flange Adapter — Typical for PE, PP, and PVDF Butt-Fused Lap-Joint Flange Connections
156	Figure A-4.3.2-1 Typical ISO or DVS Metric Spigot Socket-Fusion Flange Adapters
157	Figure A-4.3.2-2 Typical ISO or DVS Metric Flange Adapters for Socket Fusing
158	Figure A-4.3.2-3 Special ISO or DVS Metric Butt-Fusion Flange Adapter for Higher-Pressure Connections
159	Table A-4.4-1 Full-Face ABS Socket Flange Adapter
160	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 A-5 METHODS OF INSTALLING FLANGE ADAPTERS ONTO THERMOPLASTIC PIPES AND FITTINGS
161	Figure A-5.2-1 Transistor Flange Arrangement A-6 FLANGE-TO-FLANGE CONNECTIONS
162	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
163	A-7 GASKETS
164	Table A-7.2-1 Gasket Requirements for Thermoplastic Flanges A-8 TIGHTENING OF BOLTS A-9 WASHERS, BOLTS, NUTS, AND STUDS A-10 BOLTED JOINT ASSEMBLY RECORDS
165	Figure A-9.4-1 Drawings for Bolts With Nuts and Stud Bolts With Nuts
166	NONMANDATORY APPENDIX B DESIGN REQUIREMENTS FOR BURIED PIPING B-1 INTRODUCTION
167	B-2 LOADS
168	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
169	B-3 PIPING ANALYSIS
171	B-4 SOIL
172	Table B-4.2.1-1 Typical Soil Unit Weight Table B-4.2.2-1 Eʹ Values for Typical Soils
173	Table B-4.2.2-2 Eʹ Values per Depth of Cover Table B-4.2.2-3 Native Soil Eʹ
174	Table B-4.2.2-4 Soil Support Factor, FS B-5 REFERENCES
175	NONMANDATORY APPENDIX C PRESSURE SURGE FROM FLUID TRANSIENT C-1 LIQUID FLUID FLOW C-2 WAVE VELOCITY C-3 PRESSURE SURGE
176	Table C-2-1 Pipe Wall Flexibility Reduction Factors, ψC
177	NONMANDATORY APPENDIX D MULTILAYERED REINFORCED THERMOPLASTIC PIPING SYSTEM(S) OPERATION, MAINTENANCE, AND REPAIR D-1 SCOPE D-2 GENERAL D-3 OPERATION D-4 MAINTENANCE D-5 REPAIR