AS/NZS 4129:2000

AS/NZS 4129:2000 FITTINGS FOR POLYETHYLENE (PE) PIPES FOR PRESSURE APPLICATIONS

PREFACE

CONTENTS

SECTION 1 GENERAL REQUIREMENTS AND TEST METHODS

1.1 SCOPE

1.2 REFERENCED DOCUMENTS

1.3 DEFINITIONS

1.3.1 Ductile mode

1.3.2 Hoop stress

1.3.3 MAOP

1.3.4 Nominal working pressure

1.3.5 Saddle

1.3.6 Standard dimension ratio (SDR)

1.3.7 Test pressure

1.4 NOTATION

1.5 CLASSIFICATION

0 Water applications

1.5.1 Other applications

1.6 SIZE SPECIFICATION

1.6.1 Straight-through fittings

1.6.2 Fittings having three ends

1.6.3 Fittings having four ends

1.7 THREADS ON END CONNECTIONS

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 GENERAL REQUIREMENTS FOR ALL FITTINGS

1.11.1 Effect on fluids other than water

1.11.2 Effect of fluids other than water

1.11.3 Effect on potable water

1.11.4 Pressure cycling test for applications other than fuel gas

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 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

SECTION 2 MECHANICAL COMPRESSION JOINT FITTINGS

2.1 SCOPE OF SECTION

2.2 COMPOSITION

2.3 OTHER REQUIREMENTS

2.4 PERFORMANCE REQUIREMENTS FOR ASSEMBLED JOINTS

2.4.1 General

2.4.2 Hydrostatic pressure test for assembled joints

2.4.3 Liquid infiltration test

2.4.4 Leakproofness under pressure when subjected to bending (applicable to sizes up to and including DN 63)

2.4.5 Pull-out test

SECTION 3 ELECTROFUSION FITTINGS

3.1 SCOPE OF SECTION

3.2 CLASSIFICATION

3.3 COMPOSITION

3.4 DIMENSIONAL REQUIREMENTS FOR METRIC FITTINGS

3.4.1 General

3.4.2 Electrofusion socketss

3.4.3 Electrofusion spigots

3.4.4 Tapping tees

3.5 PERFORMANCE REQUIREMENTS FOR ELECTROFUSION JOINTS

3.5.1 General

3.5.2 Resistance to internal pressure

3.5.3 Retesting of failed specimens (80°C test failure only)

3.6 PERFORMANCE REQUIREMENTS FOR ELECTROFUSION FITTINGS

3.6.1 General

3.6.2 Melt flow rate

3.6.3 Thermal stability

3.6.4 Cohesive resistance

3.6.5 Tapping tees impact resistance

SECTION 4 MECHANICAL TAPPING SADDLES

4.1 SCOPE OF SECTION

4.2 COMPOSITION

4.3 MECHANICAL AND HYDRAULIC REQUIREMENTS

4.4 PERFORMANCE REQUIREMENTS

4.4.1 General

4.4.2 Liquid infiltration

4.4.3 Leak resistance under pressure when subjected to bending

4.4.4 Hydrostatic pressure test for assembled saddle

4.4.5 Resistance to pressure during application of a bending moment to the branch outlet

4.4.6 Resistance to sliding of the saddle on the pipe

SECTION 5 POST-FORMED BENDS

5.1 GENERAL

5.2 SPIGOT ENDS

5.3 DIMENSIONS

5.4 MARKING

APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD

A1 SCOPE

A2 RELEVANCE

A3 DEFINITIONS

A3.1 Acceptable quality level (AQL)

A3.2 Batch release test (BRT)

A3.3 Inspection level

A3.4 Lot

A3.5 Material batch or compound batch

A3.6 Process verification test (PVT)

A3.7 Production batch

A3.8 Sample

A3.9 Type test (TT)

A4 PRODUCT CERTIFICATION

A5 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN

A5.1 General

A5.2 Retesting

A5.3 Rejection after retest