AS/NZS 2280:2020
Ductile iron pipes and fittings
Objective of this Standard is to provide a standard manufacturing specification to be used by manufacturers and purchasers of ductile iron pressure pipes and fittings.
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AS/NZS 2280:2020 Ductile iron pipes and fittings
Preface
Introduction
Section 1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Notation
1.5 Product conformity evaluation to this Standard
1.6 Pressure classification
1.6.1 General
1.6.2 Pipe
1.6.3 Fittings
1.6.4 Flanged pipe
1.7 Allowable pipeline pressures
1.8 Marking
1.8.1 Pipes
1.8.2 Fittings
1.8.3 Flanged pipe
1.8.4 Pipes and fittings not suitable for drinking water
Section 2 Materials and manufacture
2.1 Ductile iron
2.1.1 Properties
2.1.2 Tensile properties
2.1.3 Hardness
2.1.4 Microstructure
2.1.5 Mode of pipe casting
2.1.6 Finish
2.2 Contact with drinking and recycled water
2.3 Preparation of pipes and fittings for coatings and linings
2.4 Coatings
2.4.1 General
2.4.2 Pipe coatings
2.4.3 Fitting coatings
2.5 Linings
2.5.1 General
2.5.2 Cement mortar lining intended for drinking and recycled water applications
2.5.3 Calcium aluminate cement mortar lining
2.5.4 Thermal-bonded polymeric linings
2.6 Elastomeric seals
2.7 Flange gasket materials
Section 3 Design of pipes, fittings and joints
3.1 Spigot and socket pipes
3.1.1 Dimensions
3.1.2 Tolerances on dimensions
3.2 Flanged pipe
3.2.1 Dimensions
3.2.2 Flanges
3.2.3 End options
3.2.4 Tolerances
3.3 Pipes with bolt-on puddle flanges
3.4 Fittings
3.4.1 Dimensions
3.4.2 Spigots
3.4.3 Sockets
3.4.4 Integral cast flanges
3.4.5 Tolerance on fitting dimensions
3.4.6 Lugs and pads
3.4.7 Design verification
3.5 Pipe and fitting joints
3.5.1 General
3.5.2 Elastomeric seal joints
3.5.3 Flanged joints
3.6 Measurement
3.7 Symbols for pipes and fittings
Section 4 Performance requirements
4.1 Production hydrostatic tests
4.1.1 Purpose
4.1.2 Pipes with elastomeric seal joints
4.1.3 Fittings and flanged pipes
4.2 Type tests
4.2.1 General
4.2.2 Elastomeric seal joints
4.2.3 Restrained joints
4.2.4 Flanged joints on flanged pipe
4.2.5 Fittings design verification
Appendix A (normative) Product conformity evaluation
Appendix B (informative) Purchasing guidelines
Appendix C (normative) Tensile properties and hardness tests
Appendix D (normative) Cement mortar lining
Appendix E (normative) Determination of pipes and fitting dimensions
Appendix F (normative) Type tests
Appendix G (informative) Symbols for pipes and fittings
Appendix H (normative) Dimensions of pipes and fittings
Bibliography
Amendment control sheet
Amendments
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AS/NZS 2280:2020 Ductile iron pipes and fittings
Preface
Introduction
Section 1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Notation
1.5 Product conformity evaluation to this Standard
1.6 Pressure classification
1.6.1 General
1.6.2 Pipe
1.6.3 Fittings
1.6.4 Flanged pipe
1.7 Allowable pipeline pressures
1.8 Marking
1.8.1 Pipes
1.8.2 Fittings
1.8.3 Flanged pipe
1.8.4 Pipes and fittings not suitable for drinking water
Section 2 Materials and manufacture
2.1 Ductile iron
2.1.1 Properties
2.1.2 Tensile properties
2.1.3 Hardness
2.1.4 Microstructure
2.1.5 Mode of pipe casting
2.1.6 Finish
2.2 Contact with drinking and recycled water
2.3 Preparation of pipes and fittings for coatings and linings
2.4 Coatings
2.4.1 General
2.4.2 Pipe coatings
2.4.3 Fitting coatings
2.5 Linings
2.5.1 General
2.5.2 Cement mortar lining intended for drinking and recycled water applications
2.5.3 Calcium aluminate cement mortar lining
2.5.4 Thermal-bonded polymeric linings
2.6 Elastomeric seals
2.7 Flange gasket materials
Section 3 Design of pipes, fittings and joints
3.1 Spigot and socket pipes
3.1.1 Dimensions
3.1.2 Tolerances on dimensions
3.2 Flanged pipe
3.2.1 Dimensions
3.2.2 Flanges
3.2.3 End options
3.2.4 Tolerances
3.3 Pipes with bolt-on puddle flanges
3.4 Fittings
3.4.1 Dimensions
3.4.2 Spigots
3.4.3 Sockets
3.4.4 Integral cast flanges
3.4.5 Tolerance on fitting dimensions
3.4.6 Lugs and pads
3.4.7 Design verification
3.5 Pipe and fitting joints
3.5.1 General
3.5.2 Elastomeric seal joints
3.5.3 Flanged joints
3.6 Measurement
3.7 Symbols for pipes and fittings
Section 4 Performance requirements
4.1 Production hydrostatic tests
4.1.1 Purpose
4.1.2 Pipes with elastomeric seal joints
4.1.3 Fittings and flanged pipes
4.2 Type tests
4.2.1 General
4.2.2 Elastomeric seal joints
4.2.3 Restrained joints
4.2.4 Flanged joints on flanged pipe
4.2.5 Fittings design verification
Appendix A (normative) Product conformity evaluation
Appendix B (informative) Purchasing guidelines
Appendix C (normative) Tensile properties and hardness tests
Appendix D (normative) Cement mortar lining
Appendix E (normative) Determination of pipes and fitting dimensions
Appendix F (normative) Type tests
Appendix G (informative) Symbols for pipes and fittings
Appendix H (normative) Dimensions of pipes and fittings
Bibliography
Amendment control sheet
Amendments
AS/NZS 2280:2020
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.