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AS 3571.2-2009
[Current]Plastics piping systems - Glass reinforced thermoplastics (GRP) systems based on unsaturated polyester (UP) resin, Part 2: Pressure and non-pressure water supply (ISO 10639:2004, MOD)
Specifies the properties of piping system components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) for water supply with or without pressure. Adopted with national modifications and has been reproduced from ISO 10639:2004.
Published: 27/04/2009
Pages: 83
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Classification
4.1.1 Categories
4.1.2 Nominal size
4.1.3 Nominal stiffness
4.1.4 Nominal pressure
4.2 Materials
4.2.1 General
4.2.2 Reinforcement
4.2.3 Resin
4.2.4 Aggregates and fillers
4.2.5 Thermoplastics liners
4.2.6 Elastomers
4.2.7 Metals
4.3 Wall construction
4.3.1 Inner layer
4.3.2 Structural layer
4.3.3 Outer layer
4.4 Appearance
4.5 Reference conditions for testing
4.5.1 Temperature
4.5.2 Properties of water for testing
4.5.3 Loading conditions
4.5.4 Conditioning
4.5.5 Measurement of dimensions
4.6 Elapsed time, x, for determination of long-term properties
4.7 Joints
4.7.1 General
4.7.2 Types of joint
4.7.3 Flexibility of the joint
4.7.3.1 Allowable angular deflection
4.7.3.2 Allowable draw
4.7.4 Sealing ring
4.7.5 Adhesives
4.8 Effect on water quality
5 Pipes
5.1 Geometrical characteristics
5.1.1 Diameter
5.1.1.1 Diameter series
5.1.1.2 Nominal size
5.1.1.3 Specified diameters
5.1.1.3.1 General
5.1.1.3.2 Series A (internal diameter specified)
5.1.1.3.3 Series B (external diameter specified)
5.1.1.3.4 Minimum internal diameters for pipes with a prefabricated thermoplastics liner
5.1.1.4 Tolerances
5.1.1.4.1 Series A - Tolerances on internal diameter
5.1.1.4.2 Series B1 — Tolerances on external diameter
5.1.1.4.3 Series B2, B3 and B4 — Tolerances on external diameter
5.1.1.4.4 Series B5 — Tolerances on external diameter
5.1.1.4.5 Series B6 — Tolerances on external diameter
5.1.2 Wall thickness
5.1.3 Length
5.1.3.1 Nominal length
5.1.3.2 Laying length
5.2 Mechanical characteristics
5.2.1 Initial specific ring stiffness
5.2.1.1 General
5.2.1.2 Number of test pieces for type testing
5.2.1.3 Length of test pieces
5.2.2 Long-term specific ring stiffness
5.2.2.1 Temperature of the water
5.2.2.2 Method of test to determine S0
5.2.2.3 Time intervals for measurement
5.2.2.4 Elapsed time at which the property is to be determined
5.2.2.5 Method of test
5.2.2.5.1 General
5.2.2.5.2 Using relaxation
5.2.2.5.3 Using creep
5.2.2.6 Requirement
5.2.2.7 Number of test pieces for type testing
5.2.2.8 Determination of minimum long-term specific ring stiffness
5.2.3 Initial resistance to failure in a deflected condition
5.2.3.1 General
5.2.3.2 Requirement
5.2.3.3 Minimum initial relative specific ring deflection
5.2.3.3.1 For bore cracks
5.2.3.3.2 For structural failure
5.2.3.4 Number of test pieces for type testing
5.2.4 Ultimate long-term resistance to failure in a deflected condition
5.2.4.1 General
5.2.4.2 Requirement
5.2.4.3 Criteria for failure
5.2.4.4 Distribution of failure times
5.2.4.5 Test pieces for type testing
5.2.5 Initial specific longitudinal tensile strength
5.2.5.1 General
5.2.5.2 Requirement
5.2.5.3 Number of test pieces for type testing
5.2.6 Initial design and failure pressures for pressure pipes
5.2.6.1 General
5.2.6.2 Requirement
5.2.6.3 p0, mean
5.2.6.4 Number of test pieces for type testing
5.2.6.5 Dimensions of test pieces
5.2.6.5.1 For method A
5.2.6.5.2 For method B
5.2.6.5.3 For method C
5.2.6.5.4 For method D
5.2.6.5.5 For method E
5.2.6.5.6 For method F
5.2.7 Long-term failure pressure
5.2.7.1 General
5.2.7.2 Requirement
5.2.7.3 Number of test pieces for determination of the pressure regression ratio, RR, p
5.2.7.4 Length of the test pieces
5.2.7.5 Distribution of failure times
5.3 Resistance of pressure pipes to cyclic internal pressure
5.3.1 General
5.3.2 Requirements
5.3.3 Number of test pieces for type testing
5.3.4 Length and diameter of the test piece
5.4 Marking
6 Fittings
6.1 All types
6.1.1 General
6.1.2 Diameter series
6.1.3 Nominal pressure (PN)
6.1.4 Nominal stiffness (SN)
6.1.5 Joint type
6.1.6 Pipe type
6.1.7 Mechanical characteristics of fittings
6.1.8 Installed leaktightness of fittings
6.1.9 Alternative dimensions
6.2 Bends
6.2.1 Classification of bends
6.2.1.1 General
6.2.1.2 Nominal size (DN)
6.2.1.3 Bend type
6.2.2 Dimensions and tolerances of bends
6.2.2.1 Tolerance on diameter
6.2.2.2 Fitting angle and angular tolerances
6.2.2.3 Radius of curvature, R
6.2.2.3.1 Moulded bends
6.2.2.3.2 Fabricated bends
6.2.2.4 Length
6.2.2.4.1 General
6.2.2.4.2 Laying length
6.2.2.4.3 Body length
6.2.2.4.4 Tolerances on laying length
6.3 Branches
6.3.1 Classification of branches
6.3.1.1 General
6.3.1.2 Nominal size (DN)
6.3.1.3 Fitting angle
6.3.1.4 Branch type
6.3.2 Dimensions and tolerances of branches
6.3.2.1 Tolerances on diameter
6.3.2.2 Angular tolerances
6.3.2.3 Length
6.3.2.3.1 General
6.3.2.3.2 Body length
6.3.2.3.2.1 General
6.3.2.3.2.2 Moulded tee branches
6.3.2.3.2.3 Fabricated tee branches
6.3.2.3.3 Offset length
6.3.2.3.4 Laying length
6.3.2.3.5 Tolerances on length
6.3.2.3.5.1 Branches for use with rigid joints
6.3.2.3.5.2 Branches for use with flexible joints
6.4 Reducers
6.4.1 Classification of reducers
6.4.1.1 General
6.4.1.2 Nominal size (DN)
6.4.1.3 Reducer type
6.4.2 Dimensions and tolerances of reducers
6.4.2.1 Tolerance on diameter
6.4.2.2 Wall thickness
6.4.2.2.1
6.4.2.2.2
6.4.2.3 Length
6.4.2.3.1 General
6.4.2.3.2 Laying length
6.4.2.3.3 Body length
6.4.2.3.4 Length of tapered section
6.4.2.3.5 Tolerances on laying lengths
6.4.2.3.5.1 Reducers for use with rigid joints
6.4.2.3.5.2 Reducers for use with flexible joints
6.4.2.4 Mechanical characteristics of tapered-section laminate
6.5 Saddles
6.5.1 Classification of saddles
6.5.1.1 General
6.5.1.2 Nominal size (DN)
6.5.1.3 Fitting angle
6.5.2 Dimensions of saddles and associated tolerances
6.5.2.1 Tolerance on diameter
6.5.2.2 Length
6.6 Flanged adaptors
6.6.1 Classification of flanged adaptors
6.6.1.1 General
6.6.1.2 Nominal size (DN)
6.6.1.3 Flange designation
6.6.2 Dimensions of flanged adaptors and associated tolerances
6.6.2.1 Tolerance on diameter
6.6.2.2 Wall thickness
6.6.2.3 Length
6.6.2.3.1 Tolerances on length
6.6.2.3.1.1 Flanged adaptors for use with rigid joints
6.6.2.3.1.2 Flanged adaptors for use with flexible joints
6.7 Marking
7 Joint performance
7.1 General
7.1.1 Interchangeability
7.1.2 Requirements
7.1.3 Dimensions
7.2 Flexible joints
7.2.1 General
7.2.2 Maximum allowable draw
7.2.3 Maximum allowable angular deflection
7.2.4 Flexible non-end-load-bearing joints with elastomeric sealing rings
7.2.4.1 General
7.2.4.2 Performance requirements
7.2.4.2.1 Initial leaktightness test following assembly
7.2.4.2.2 Leaktightness when subjected to a negative pressure at maximum draw
7.2.4.2.3 Leaktightness when simultaneously subjected to angular deflection and draw
7.2.4.2.4 Leaktightness when simultaneously subjected to misalignment and draw under static pressure
7.2.4.2.5 Leaktightness when subjected to misalignment and draw under a cyclic pressure
7.2.4.3 Number of test pieces for type testing
7.2.4.4 Test pieces
7.2.5 Flexible end-load-bearing joints with elastomeric sealing rings
7.2.5.1 General
7.2.5.2 Performance requirements
7.2.5.2.1 Initial leaktightness test following assembly
7.2.5.2.2 Leaktightness when subjected to a pressure differential
7.2.5.2.3 Misalignment with internal pressure and end thrust
7.2.5.2.4 Short-term resistance to internal pressure
7.2.5.2.5 Resistance to bending for pipes up to and including DN 600
7.2.5.3 Number of test pieces for type testing
7.2.5.4 Test pieces
7.3 Rigid joints
7.3.1 Wrapped or cemented
7.3.1.1 General
7.3.1.2 Performance requirements
7.3.1.2.1 Initial leakage test
7.3.1.2.2 Leaktightness when subjected to an external pressure differential
7.3.1.2.3 Resistance to bending and pressure, including, if applicable, end thrust, for pipes up to and including DN 600
7.3.1.2.4 Resistance to internal pressure, including, if applicable, end thrust
7.3.1.3 Number of test pieces for type testing
7.3.1.4 Test pieces
7.3.2 Bolted flange joints
7.3.2.1 General
7.3.2.2 Performance requirements
7.3.2.2.1 Initial leakage test
7.3.2.2.2 Leaktightness when subjected to an external pressure differential
7.3.2.2.3 Resistance to internal pressure, including, if applicable, end thrust
7.3.2.2.4 Resistance to bending and pressure, including, if applicable, end thrust, for pipes up to and including DN 600
7.3.2.2.5 Short-term resistance
7.3.2.2.6 Resistance to bolt-tightening torque
7.3.2.3 Number of test pieces for type testing
7.3.2.4 Test pieces
7.3.2.5 Joint assembly details
Annex A
A.1 General
A.2 Minimum safety factors for long-term pressure requirements
A.3 Establishment of pressure regression ratio, RR,p
A.4 Determination of the design pressure value
A.4.1 Establishment of p6, min
A.4.2 Establishment of design pressure, p0, d
A.4.3 Control procedures for p0, d
A.5 Pressure product assessment
A.6 Principles for the basis of ultimate deflection requirements
A.7 Product assessment
Annex B
B.1 General
Appendix ZZ
Appendix ZA
ZA1 Scope
ZA2 Product certification
ZA3 Minimum sampling and testing frequency plan
ZA3.1 General
ZA3.2 Re-testing
ZA3.3 Rejection after re-test
ZA3.4 Material/compound batch
ZA3.5 Pipe batch
ZA3.6 Fitting batch
ZA3.7 Lot
ZA3.8 Sample
ZA3.9 Test specimens
Appendix ZB
ZB1 Scope and general
ZB2 Service conditions
ZB3 Site conditions
ZB4 Materials and method of manufacture
ZB5 Mechanical properties
ZB6 Packaging, transport and installation
Appendix ZC
ZC1 Scope
ZC2 Acceptable levels of defects
Amendment control sheet
AS 3571.2—2009
Amendment No. 1 (2009)
Correction
Cited references in this standard
Content history
[Current]
[Superseded]
[Superseded]
DR 06737
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