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ASME B31.9 Building Services Piping, 2017
- CONTENTS
- FOREWORD
- ASME B31 COMMITTEE ROSTER
- INTRODUCTION
- ASME B31.9-2017 SUMMARY OF CHANGES
- Chapter I Scope and Definitions [Go to Page]
- 900 GENERAL [Go to Page]
- 900.1 Scope
- 900.2 Terms and Definitions
- 900.3 Nomenclature
- Chapter II Design [Go to Page]
- 901 DESIGN CONDITIONS [Go to Page]
- 901.1 General
- 901.2 Pressure
- 901.3 Temperature
- 901.4 Ambient Influences
- 901.5 Dynamic Effects
- 901.6 Thermal Expansion and Contraction Loads
- 902 DESIGN CRITERIA [Go to Page]
- 902.1 General
- 902.2 Pressure–Temperature Design Criteria for Piping Components
- 902.3 Allowable Stresses and Other Stress Limits
- 902.4 Allowances
- 903 CRITERIA FOR PRESSURE DESIGN OF PIPING COMPONENTS
- 904 PRESSURE DESIGN OF COMPONENTS [Go to Page]
- 904.1 Straight Pipe
- 904.2 Curved and Mitered Segments of Pipe
- 904.3 Branch Connections
- 904.4 Closures
- 904.5 Pressure Design of Flanges and Blanks
- 904.6 Reducers
- 904.7 Pressure Design of Other Pressure-Containing Components
- 905 PIPE [Go to Page]
- 905.1 General
- 905.2 Specific Limitations
- 906 FITTINGS, BENDS, AND INTERSECTIONS [Go to Page]
- 906.1 Fittings
- 906.2 Bends and Miter Joints
- 906.3 Limitations on Fittings
- 906.4 Thermowells
- 907 VALVES [Go to Page]
- 907.1 General
- 907.2 Marking
- 908 FLANGES, BLANKS, GASKETS, AND BOLTING [Go to Page]
- 908.1 General
- 908.2 Flange Facings
- 908.3 Gaskets
- 908.4 Bolting
- 910 PIPING JOINTS
- 911 WELDED JOINTS [Go to Page]
- 911.1 Metallic Pipe
- 911.2 Nonmetallic Pipe
- 912 FLANGED JOINTS
- 913 MECHANICAL AND PROPRIETARY JOINTS [Go to Page]
- 913.1 Limitations on Mechanical and Proprietary Joints
- 914 THREADED JOINTS [Go to Page]
- 914.1 Acceptable Types
- 914.2 Limitations on Threaded Joints
- 915 FLARED, FLARELESS, AND COMPRESSION JOINTS
- 916 BELL AND SPIGOT JOINTS [Go to Page]
- 916.1 Caulked or Leaded Joints
- 916.2 Push-Type Elastomer Gasket
- 917 BRAZED AND SOLDERED JOINTS [Go to Page]
- 917.1 General
- 917.2 Brazed Joints
- 917.3 Soldered Joints
- 919 EXPANSION AND FLEXIBILITY [Go to Page]
- 919.1 General
- 919.2 Concepts
- 919.3 Properties for Analysis
- 919.4 Analysis, Metallic Piping
- 919.5 Movements
- 919.6 Cold Spring
- 919.7 Reactions
- 920 LOADS ON PIPE-SUPPORTING ELEMENTS [Go to Page]
- 920.1 General
- 920.2 Test Loads
- 921 DESIGN OF PIPE-SUPPORTING ELEMENTS [Go to Page]
- 921.1 General
- 921.2 Fixtures
- 921.3 Structural Attachments
- 921.4 Supplemental Steel
- 921.5 Attachments to Concrete
- 921.6 Supporting Structures
- 922 DESIGN REQUIREMENTS PERTAINING TO SPECIFIC PIPING SYSTEMS [Go to Page]
- 922.1 Pressure Reducing Systems
- 922.2 Steam Trap Piping
- 922.3 Fuel Oil Piping
- Chapter III Materials [Go to Page]
- 923 MATERIALS — GENERAL REQUIREMENTS [Go to Page]
- 923.1 Materials and Specifications
- 923.2 Limitations on Specific Metals
- 923.3 Limitations on Specific Nonmetals
- 923.4 Coatings and Linings
- 923.5 Deterioration in Service
- Chapter IV Component Requirements and Standard Practices [Go to Page]
- 926 DIMENSIONS AND RATINGS OF COMPONENTS [Go to Page]
- 926.1 Standard Piping Components
- 926.2 Standard Practices
- 926.3 Nonstandard Piping Components
- 926.4 Abbreviations
- Chapter V Fabrication, Assembly, and Erection [Go to Page]
- 927 WELDED FABRICATION OF METALS [Go to Page]
- 927.1 General
- 927.2 Materials
- 927.3 Preparation
- 927.4 Rules for Welding
- 927.5 Qualification
- 927.6 Qualification Requirements
- 928 BRAZING AND SOLDERING OF METALS [Go to Page]
- 928.1 Brazing
- 928.2 Soldering
- 929 BENDING [Go to Page]
- 929.1 General
- 930 FORMING [Go to Page]
- 930.1 General
- 930.2 Mechanically Formed Extruded Outlets in Copper Tube
- 931 HEAT TREATMENT
- 934 FABRICATION OF NONMETALS [Go to Page]
- 934.1 Joining Thermoplastic Piping
- 934.2 Reinforced Thermosetting Resin Piping Joints
- 934.3 Repair of Defective Work
- 935 ASSEMBLY [Go to Page]
- 935.1 General
- 935.2 Bolting Procedure
- 935.3 Bell and Spigot Joints
- 935.4 Threaded Piping
- 935.5 Flare Joints
- 935.6 Ferrule Bite Joints
- 935.7 Compression Joints
- 935.8 Other Mechanical and Proprietary Joints
- 935.9 Borosilicate Glass Piping
- 935.10 Equipment Connections
- 935.11 Cold Spring
- 935.12 Valve Installation
- 935.13 Repair of Defective Work
- Chapter VI Inspection, Examination, and Testing [Go to Page]
- 936 INSPECTION AND EXAMINATION [Go to Page]
- 936.1 General
- 936.2 Required Inspection
- 936.3 Responsibility for Examination
- 936.4 Methods of Examination
- 936.5 Type and Extent of Required Examination
- 936.6 Acceptance Criteria
- 937 LEAK TESTING [Go to Page]
- 937.1 General
- 937.2 Preparation for Testing
- 937.3 Hydrostatic Testing
- 937.4 Pneumatic Testing
- 937.5 Initial Service Leak Test
- Figures [Go to Page]
- Figure 900.1.2 Code Jurisdictional Limits for Piping — Drum-Type Boilers
- Figure 904.2.2 Nomenclature for Miter Joints
- Figure 921.1.3-1 Support Spans for Standard Wall Steel Pipe
- Figure 921.1.3-2 Support Spans for Copper and Thermoplastic Pipe
- Figure 927.4.3-1 Fillet Weld Size
- Figure 927.4.3-2 Minimum Weld Size, Setback, and Depth of Insertion for Slip-On and Socket Weld Flanges
- Figure 927.4.3-3 Minimum Welding Dimensions for Socket-Welding Components Other Than Flanges
- Figure 927.4.5-1 Acceptable Welds for Flat Heads
- Figure 927.4.5-2 Unacceptable Welds for Flat Heads
- Figure 927.4.6-1 Typical Weld Branch Connections
- Figure 927.4.6-2 Typical Weld Details
- Tables [Go to Page]
- Table 902.4.3 Joint Factors, E
- Table 904.2.1 Pipe Thickness for Bends
- Table 917.3 Rated Internal Working Pressures of Joints Made With Copper Water Tube and Solder Joint Fittings, psig
- Table 919.3.1 Moduli of Elasticity and Thermal Expansion Coefficients
- Table 921.2.2 Capacities of Threaded ASTM A36 Steel Rods
- Table 926.1 Component Standards and Specifications
- Table 926.2 Standard Practices
- Table I-1 Allowable Stresses
- Table I-2 Hydrostatic Design Stresses (HDS) and Recommended Temperature Limits for Thermoplastic Pipe
- Table I-3 Design Stress Values for Contact Molded (Hand-Lay-Up) Pipe Made From Reinforced Thermosetting Resins
- Table I-4 Hydrostatic Design Basis Stress for Machine-Made Thermosetting Resin Pipe
- Table II-1 Allowable Pressures for Nonmetallic, Nonplastic Pressure Piping
- Table B-3.2.1 Seismic Design Requirements, Applicable Sections
- Table B-3.3.1 Maximum Span (ft) Between Lateral Seismic Restraints for Steel Pipe With a Yield Stress of 35 ksi, in Water Service at 70°F
- MANDATORY APPENDICES [Go to Page]
- MANDATORY APPENDIX I STRESS TABLES
- MANDATORY APPENDIX II ALLOWABLE PRESSURES FOR NONMETALLIC, NONPLASTIC PRESSURE PIPING
- MANDATORY APPENDIX III REFERENCE STANDARDS
- MANDATORY APPENDIX IV PREPARATION OF TECHNICAL INQUIRIES [Go to Page]
- IV-1 INTRODUCTION
- IV-2 REQUIREMENTS
- IV-3 SUBMITTAL
- NONMANDATORY APPENDICES [Go to Page]
- NONMANDATORY APPENDIX A NONMANDATORY QUALITY SYSTEM PROGRAM
- NONMANDATORY APPENDIX B SEISMIC DESIGN AND RETROFIT OF PIPING SYSTEMS [Go to Page]
- B-1 PURPOSE
- B-2 MATERIALS
- B-3 DESIGN
- B-4 INTERACTIONS
- B-5 DOCUMENTATION
- B-6 MAINTENANCE
- B-7 REFERENCES [Go to Page]