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AS/NZS 2280:2020


Ductile iron pipes and fittings

The 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.
Published: 27/03/2020
Pages: 72
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Table of contents
Cited references
Content history
Table of contents
About this publication
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 General Calculation method Computational method
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
2 Materials and manufacture
2.1 Ductile iron
2.1.1 Properties
2.1.2 Tensile properties Pipes Fittings (including flanges and puddle flanges for flanged pipe)
2.1.3 Hardness Pipes Fittings (including flanges and puddle flanges for flanged pipe)
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
3 Design of pipes, fittings and joints
3.1 Spigot and socket pipes
3.1.1 Dimensions
3.1.2 Tolerances on dimensions Outside diameter Length Ovality of pipe Straightness
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 Jointing lugs Lifting methods Thrust pads
3.4.7 Design verification
3.5 Pipe and fitting joints
3.5.1 General
3.5.2 Elastomeric seal joints Spigot chamfer Minimum depth of entry for fittings sockets Joint deflections
3.5.3 Flanged joints
3.6 Measurement
3.7 Symbols for pipes and fittings
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
A.1 Scope
A.2 Relevance
A.3 Terms and definitions
A.4 Minimum sampling and testing frequency plan
A.4.1 General
A.4.2 Testing
A.4.3 Retesting
Appendix B
B.1 Scope
B.2 Information to be supplied by the purchaser
B.2.1 Spigot and socket pipes
B.2.2 Fittings and flanged pipe
B.3 Information to be supplied by the manufacturer
B.3.1 Pipe manufacturer
B.3.2 Fitting manufacturer
Appendix C
C.1 Test specimens
C.1.1 Pipes
C.1.2 Fittings
C.2 Batch release testing
C.2.1 Frequency
C.2.2 Retesting
Appendix D
D.1 Materials
D.2 Proportioning of materials
D.3 Measurement and mixing of materials
D.4 Pipe surface
D.5 Application
D.6 Thickness
D.7 Finish
D.8 Repair of defects
D.9 Curing of cement mortar linings
D.10 Relining
Appendix E
E.1 General
E.2 Relevance of test
E.3 Apparatus
E.4 Conditioning
E.5 Outside diameter
E.5.1 Maximum and minimum outside diameters and ovality
E.5.2 Mean outside diameter
E.5.3 Out-of-roundness (ovality)
E.6 Metal wall thicknesses
E.6.1 Minimum metal wall thickness
E.6.2 Average wall thickness
E.7 Effective pipe length
E.8 Depth of entry for a socket
E.9 Report
Appendix F
F.1 Scope
F.2 Elastomeric seal and restrained joints
F.2.1 Tests
F.2.2 Procedures
F.2.2.1 Joint hydrostatic type tests
F.2.2.2 Joint infiltration type tests
F.2.3 DI pipe and fitting joints with DI pipes
F.2.4 DI fittings sockets with PVC pipes
F.3 Flanged joints on flanged pipe
F.4 Fittings — Design verification
F.5 Test reports
Appendix G
Appendix H
Amendment control sheet
Cited references in this standard
Ductile cast iron
Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 1: Metallic zinc with finishing layer
ISO metric hexagon bolts and screws — Product grade C, Part 1: Bolts
Bourdon tube pressure and vacuum gauges
Flat synthetic-webbing slings, Part 2: Care and use
Content history
AS NZS 2280:2014