AS/NZS 4765(Int):2000

AS/NZS 4765(Int):2000 MODIFIED PVC (PVC-M) PIPES FOR PRESSURE APPLICATIONS

PREFACE

CONTENTS

FOREWORD

SECTION 1 SCOPE AND GENERAL

1.1 SCOPE

1.2 REFERENCED DOCUMENTS

1.3 DEFINITIONS

1.3.1 Ductile mode

1.3.2 Elevated temperature

1.3.3 Hoop stress

1.3.4 Hydrostatic design stress (HDS)

1.3.5 Lower confidence limit long-term hydrostatic strength

1.3.6 MAOP

1.3.7 Minimum required strength (MRS)

1.3.8 Nominal working pressure

1.3.9 Out-of-roundness

1.3.10 Post-formed bend

1.3.11 Standard dimension ratio (SDR)

1.4 NOTATION

1.5 CLASSIFICATION

1.6 SOLVENT CEMENTS

SECTION 2 GENERAL REQUIREMENTS

2.1 GENERAL

2.2 COMPOSITION

2.3 DIMENSIONS

2.4 COLOUR

2.4.1 Series 1

2.4.2 Series 2

2.4.3 Other colours

2.5 FREEDOM FROM DEFECTS

2.5.1 General

2.5.2 Cleanliness

2.5.3 Ends

2.6 REQUIREMENTS FOR ELASTOMERIC JOINTING RINGS

2.7 WITNESS MARK

SECTION 3 PERFORMANCE REQUIREMENTS

3.1 GENERAL

3.2 TESTS ON PIPES

3.2.1 Effect on potable water

3.2.2 Vinyl chloride monomer test

3.2.3 Pipe reversion test

3.2.4 Resistance to internal pressure at 20°C

3.2.5 C-Ring toughness test

3.2.6 Resistance to high velocity impact

3.2.7 Softening temperature

3.2.8 Resistance to internal pressure at elevated temperature

3.2.9 Long-term hydrostatic pressure test

3.2.10 Long-term toughness

3.2.11 Resistance of notched pipe to internal pressure

3.2.12 High temperature test

3.3 TESTS ON ELASTOMERIC RING JOINTS

3.3.1 Joint hydrostatic test

3.3.2 Joint infiltration test

SECTION 4 PIPES

4.1 GENERAL

4.2 DIAMETER AND WALL THICKNESS

4.3 LENGTH

4.3.1 Effective length

4.3.2 Spigoted and socketed pipe for elastomeric seal jointing

4.3.3 Plain ended pipes

4.3.4 Spigoted and socketed pipe for solvent cement jointing

4.4 PIPE SPIGOT ENDS

4.5 SOCKETS FORMED ON PIPES

4.5.1 Deflection of sockets

4.6 MARKING

4.7 PACKAGING, STORAGE AND TRANSPORTATION

SECTION 5 ELASTOMERIC SEAL JOINTS

5.1 JOINT DESIGN

5.2 WALL THICKNESS

5.3 SOCKET DEPTH

SECTION 6 POST-FORMED BENDS AND COUPLINGS

6.1 GENERAL

6.2 SOCKETS

6.3 BEND RADIUS

6.4 SPIGOT LENGTHS

6.5 BEND ANGLE

6.6 MARKING

APPENDIX A - MEANS OF DEMONSTRATING COMPLIANCE WITH THIS STANDARD

A1 SCOPE

A2 RELEVANCE

A3 DEFINITIONS

A3.1 Acceptable quality level (AQL)

A3.2 Batch

A3.3 Batch release test (BRT)

A3.4 Inspection level

A3.5 Lot

A3.6 Material batch or compound batch

A3.7 New formulation

A3.8 Production batch

A3.9 Process verification test (PVT)

A3.10 Sample

A3.11 Sampling plan

A3.12 Type testing (TT)

A4 PRODUCT CERTIFICATION

A5 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN

A5.1 General

A5.2 Retesting

A5.3 Rejection after retest

A6 NEW FORMULATION

APPENDIX B - METHOD FOR DETERMINATION OF C-RING TOUGHNESS

B1 SCOPE

B2 PRINCIPLE

B3 REAGENT-DICHLOROMETHANE OR TECHNICAL GRADE

B4 APPARATUS

B4.1 Broach

B4.2 Frame

B4.3 Timing device

B4.4 Rigid support clamps

B4.5 Cutting equipment

B4.6 Covered tank

B5 TEST PIECES

B5.1 Test piece

B5.2 Preparation

B6 CONDITIONING OF TEST SPECIMEN

B7 PROCEDURE

B7.1 Preliminary test for the response to immersion in dichloromethane

B7.2 Determination of C-ring toughness

B8 REPORT

APPENDIX C - METHOD FOR THE DETERMINATION OF HIGH VELOCITY IMPACT FRACTURE MODE

C1 SCOPE

C2 PRINCIPLE

C3 APPARATUS

C4 TEST PIECES

C5 CONDITIONING

C6 PROCEDURE

C7 REPORT

APPENDIX D - METHOD FOR THE DETERMINATION OF LONG-TERM TOUGHNESS

D1 SCOPE

D2 PRINCIPLE

D3 REAGENT

D4 APPARATUS

D5 TEST PIECES

D6 CONDITIONING

D7 PROCEDURE

D7.1 Immersion in dichloromethane

D7.2 Determination of yield stress

D7.3 Calculations

D8 REPORT

APPENDIX E - METHOD FOR DETERMINING THE RESISTANCE OF NOTCHED PIPE TO INTERNAL PRESSURE

E1 SCOPE

E2 PRINCIPLE

E3 APPARATUS

E4 TEST PIECES

E5 PROCEDURE

E6 REPORT

APPENDIX F - WALL THICKNESS DESIGN FOR PIPES FOR SPECIAL APPLICATIONS

AMENDMENT CONTROL SHEET