AS/NZS 4129:2020
Fittings for polyethylene (PE) pipes for pressure applications
Standard specifies requirements for fittings to be used with polyethylene pipe manufactured in accordance with AS/NZS 4130 or AS 2698.2 or POP 009. This Standard is applicable to fittings manufactured for the conveyance of water, fuel gas, and other fluids including compressed air.
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AS/NZS 4129:2020 Fittings for polyethylene (PE) pipes for pressure applications
Preface
Section 1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.3.1 General definitions
1.3.2 Geometrical definitions
1.3.3 Material definitions
1.3.4 Definitions relating to service conditions
1.3.5 Definitions specific to the design of electrofusion fittings
1.3.6 Definitions specific to flanges
1.4 Notation
1.5 Classification
1.6 Size specification
1.6.1 General
1.6.2 Straight-through fittings
1.6.3 Fittings having three ends
1.6.4 Fittings having four ends
1.7 Threaded end connections on fittings
1.8 Fittings intended for connection to other pipe systems
1.9 Flanged ends on fittings
1.10 Freedom from defects
1.10.1 General
1.10.2 Requirements
1.11 Effect on water
1.12 Requirements specific to plastics materials
1.12.1 Plastics-moulded material test
1.12.2 Plastics body fittings test
1.12.3 Opacity test
1.12.4 Chemical resistance for fuel gas applications
1.13 Requirements specific to metallic materials
1.13.1 Metallic materials
1.13.2 Metal fittings body test
1.13.3 Dezincification resistance
1.14 Marking requirements
1.15 Packaging
1.16 Transition fittings
Section 2 Mechanical compression joint fittings
2.1 Scope of section
2.2 Composition — Reprocessable material
2.3 Other requirements
2.4 Performance requirements for assembled joints
2.4.1 General
2.4.2 Leak tightness under internal pressure
2.4.3 Long term pressure test for leak tightness under internal pressure
2.4.4 Resistance to pull out
2.4.5 Leak tightness under internal pressure when subjected to bending
2.4.6 Leak-tightness under negative pressure
2.4.7 Stress corrosion test (copper alloy fittings)
Section 3 Electrofusion fittings
3.1 Scope of section
3.2 Composition
3.2.1 General
3.2.2 Reprocessable material
3.2.3 Characteristics of the PE compound
3.2.4 Classification
3.2.5 Other materials
3.3 General requirements
3.3.1 Multiple connections
3.3.2 Appearance of the fitting
3.3.3 Design
3.3.4 Electrical characteristics (electrofusion fittings)
3.4 Geometrical characteristics
3.4.1 General
3.4.2 Electrofusion socket fittings
3.5 Mechanical characteristics
3.6 Marking requirements
3.7 Traceabilty data
Section 4 Mechanical tapping saddles
4.1 Scope of section
4.2 Composition
4.2.1 General
4.2.2 Reprocessable material
4.3 Performance requirements
4.3.1 General
4.3.2 Liquid infiltration
4.3.3 Leak resistance under pressure when subjected to bending
4.3.4 Hydrostatic pressure test for assembled saddle
4.3.5 Resistance to pressure during application of a bending moment to the branch outlet
4.3.6 Resistance to sliding of the saddle on the pipe
4.3.7 Assembly test
Section 5 Post-formed bends
5.1 General
5.2 Spigot ends
5.3 Dimensions
5.4 Marking
Section 6 Spigot fittings for butt fusion and socket fusion using heated tools and for use with electrofusion fittings
6.1 Scope of section
6.2 Notation
6.3 Composition
6.3.1 General
6.3.2 Characteristics of the PE compound
6.3.3 Classification
6.4 General requirements
6.5 Geometrical characteristics
6.5.1 General
6.5.2 Spigot dimensions
6.6 Wall thickness
6.7 Other dimensions
6.8 Mechanical characteristics
6.9 Physical characteristics
6.10 Marking requirements
Section 7 Flanges
7.1 Scope
7.2 Composition
7.2.1 General
7.2.2 Reprocessable material
7.2.3 Characteristics of the polyethylene compound
7.2.4 Classification
7.3 General requirements
7.4 Geometrical characteristics
7.4.1 Parallelism of bearing and contact surfaces
7.4.2 Back-facing
7.4.3 Flange face thickness
7.4.4 Loose metallic backing rings
7.4.5 Dimensions
7.4.6 Tolerances
7.5 Mechanical characteristics
7.5.1 General
7.5.2 Flange compression
7.6 Physical characteristics
7.6.1 Imperfections
7.6.2 Flange contact surface finishes
7.7 Marking
7.7.1 Flange adaptors
7.7.2 Full face flanges
Section 8 Fabricated fittings
8.1 Scope of section
8.2 Materials
8.3 Pressure ratings
8.4 Dimensions
8.5 Testing
8.6 Product branding
Appendix A (normative) Demonstrating conformity with this Standard
Appendix B (normative) Method for determining chemical resistance
Appendix C (normative) Formulae for calculating the equivalent dimensions of non-metric fitting series for electrofusion
Appendix D (normative) Short-term pressure test method
Appendix E (normative) Tensile test fitting/pipe assemblies
Appendix F (normative) Formulae for calculating the equivalent dimensions of non-metric spigot fitting series
Appendix G (normative) Mating dimensions of flange adaptors and full face flanges
Bibliography
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References
Ductile iron pipes and fittings
Metallic flanges for waterworks purposes
Metallic flanges - Cast iron flanges
Metallic flanges - Copper alloy and composite flanges
Related Information
Building Code Compliance Document G12
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Similar Standards
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AS/NZS 1260:2017
PVC-U pipes and fittings for drain, waste and vent applications -
AS/NZS 1260:2017 A1
PVC-U pipes and fittings for drain, waste and vent applications
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AS/NZS 1462.1:2006
Methods of test for plastics pipes and fittings - Method for determining the dimensions of pipes and fittings
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AS/NZS 1462.10:1998
Methods of test for plastics pipes and fittings - Method for hydrostatic pressure testing of fittings and elastomeric seal joints for non-pressure applications
AS/NZS 4129:2020 Fittings for polyethylene (PE) pipes for pressure applications
Preface
Section 1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.3.1 General definitions
1.3.2 Geometrical definitions
1.3.3 Material definitions
1.3.4 Definitions relating to service conditions
1.3.5 Definitions specific to the design of electrofusion fittings
1.3.6 Definitions specific to flanges
1.4 Notation
1.5 Classification
1.6 Size specification
1.6.1 General
1.6.2 Straight-through fittings
1.6.3 Fittings having three ends
1.6.4 Fittings having four ends
1.7 Threaded end connections on fittings
1.8 Fittings intended for connection to other pipe systems
1.9 Flanged ends on fittings
1.10 Freedom from defects
1.10.1 General
1.10.2 Requirements
1.11 Effect on water
1.12 Requirements specific to plastics materials
1.12.1 Plastics-moulded material test
1.12.2 Plastics body fittings test
1.12.3 Opacity test
1.12.4 Chemical resistance for fuel gas applications
1.13 Requirements specific to metallic materials
1.13.1 Metallic materials
1.13.2 Metal fittings body test
1.13.3 Dezincification resistance
1.14 Marking requirements
1.15 Packaging
1.16 Transition fittings
Section 2 Mechanical compression joint fittings
2.1 Scope of section
2.2 Composition — Reprocessable material
2.3 Other requirements
2.4 Performance requirements for assembled joints
2.4.1 General
2.4.2 Leak tightness under internal pressure
2.4.3 Long term pressure test for leak tightness under internal pressure
2.4.4 Resistance to pull out
2.4.5 Leak tightness under internal pressure when subjected to bending
2.4.6 Leak-tightness under negative pressure
2.4.7 Stress corrosion test (copper alloy fittings)
Section 3 Electrofusion fittings
3.1 Scope of section
3.2 Composition
3.2.1 General
3.2.2 Reprocessable material
3.2.3 Characteristics of the PE compound
3.2.4 Classification
3.2.5 Other materials
3.3 General requirements
3.3.1 Multiple connections
3.3.2 Appearance of the fitting
3.3.3 Design
3.3.4 Electrical characteristics (electrofusion fittings)
3.4 Geometrical characteristics
3.4.1 General
3.4.2 Electrofusion socket fittings
3.5 Mechanical characteristics
3.6 Marking requirements
3.7 Traceabilty data
Section 4 Mechanical tapping saddles
4.1 Scope of section
4.2 Composition
4.2.1 General
4.2.2 Reprocessable material
4.3 Performance requirements
4.3.1 General
4.3.2 Liquid infiltration
4.3.3 Leak resistance under pressure when subjected to bending
4.3.4 Hydrostatic pressure test for assembled saddle
4.3.5 Resistance to pressure during application of a bending moment to the branch outlet
4.3.6 Resistance to sliding of the saddle on the pipe
4.3.7 Assembly test
Section 5 Post-formed bends
5.1 General
5.2 Spigot ends
5.3 Dimensions
5.4 Marking
Section 6 Spigot fittings for butt fusion and socket fusion using heated tools and for use with electrofusion fittings
6.1 Scope of section
6.2 Notation
6.3 Composition
6.3.1 General
6.3.2 Characteristics of the PE compound
6.3.3 Classification
6.4 General requirements
6.5 Geometrical characteristics
6.5.1 General
6.5.2 Spigot dimensions
6.6 Wall thickness
6.7 Other dimensions
6.8 Mechanical characteristics
6.9 Physical characteristics
6.10 Marking requirements
Section 7 Flanges
7.1 Scope
7.2 Composition
7.2.1 General
7.2.2 Reprocessable material
7.2.3 Characteristics of the polyethylene compound
7.2.4 Classification
7.3 General requirements
7.4 Geometrical characteristics
7.4.1 Parallelism of bearing and contact surfaces
7.4.2 Back-facing
7.4.3 Flange face thickness
7.4.4 Loose metallic backing rings
7.4.5 Dimensions
7.4.6 Tolerances
7.5 Mechanical characteristics
7.5.1 General
7.5.2 Flange compression
7.6 Physical characteristics
7.6.1 Imperfections
7.6.2 Flange contact surface finishes
7.7 Marking
7.7.1 Flange adaptors
7.7.2 Full face flanges
Section 8 Fabricated fittings
8.1 Scope of section
8.2 Materials
8.3 Pressure ratings
8.4 Dimensions
8.5 Testing
8.6 Product branding
Appendix A (normative) Demonstrating conformity with this Standard
Appendix B (normative) Method for determining chemical resistance
Appendix C (normative) Formulae for calculating the equivalent dimensions of non-metric fitting series for electrofusion
Appendix D (normative) Short-term pressure test method
Appendix E (normative) Tensile test fitting/pipe assemblies
Appendix F (normative) Formulae for calculating the equivalent dimensions of non-metric spigot fitting series
Appendix G (normative) Mating dimensions of flange adaptors and full face flanges
Bibliography
Previous versions
AS/NZS 4129:2020
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.