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AS 4321-2001

Current
Current

The latest, up-to-date edition.

Fusion-bonded medium-density polyethylene coating and lining for pipes and fittings (Reconfirmed 2019)
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

05-05-2001

Preview

1 - AS 4321-2001 FUSION-BONDED MEDIUM-DENSITY POLYETHYLENE COATING AND LINING FOR PIPES AND FITTINGS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
7 - 3 DEFINITIONS
7 - 3.1 Coating
7 - 3.2 Fusion bond
7 - 3.3 Holiday
7 - 3.4 Joint region
7 - 3.5 Lining
7 - 3.6 Outside diameter
7 - 3.7 Reinstatement
7 - 3.8 Repair
7 - 3.9 Surface preparation
8 - 4 MATERIALS
8 - 4.1 General
8 - 4.2 Polyethylene coating (and lining) compound
8 - 4.2.1 Composition
8 - 4.2.2 Dispersion of additives
8 - 4.3 Polyethylene reinstatement compound
8 - 4.3.1 Composition
8 - 4.3.2 Dispersion of additives
8 - 5 COATING AND LINING APPLICATION
8 - 5.1 Preparation of surface
8 - 5.2 Application
9 - 5.3 Cleaning of pipe and fitting ends
9 - 5.4 End treatment
9 - 6 TEST REQUIREMENTS
9 - 6.1 Type test
9 - 6.1.1 General
9 - 6.1.2 Polyethylene coating (and lining) compound
10 - 6.1.3 Polyethylene reinstatement compound
10 - 6.2 Application process qualification
10 - 6.3 Production tests
10 - 6.3.1 General
10 - 6.3.2 Thickness
10 - 6.3.3 Continuity test
11 - 6.3.4 Bond strength
11 - 7 REINSTATEMENT
11 - 7.1 General
12 - 7.2 Application of reinstatement
12 - 7.3 Reinstatement test requirements
12 - 8 REPAIRS
12 - 8.1 General
13 - 8.2 Repair limits
13 - 8.2.1 Coating repairs
13 - 8.2.2 Lining repairs
13 - 8.3 Repair test methods
13 - 9 TEST FREQUENCY
14 - 10 EFFECT OF FBPE LINING ON WATER QUALITY
14 - 11 STORAGE, HANDLING, TRANSPORT AND MARKING
14 - 11.1 Handling and storage of coated pipes and fittings
14 - 11.2 Transport of coated pipes and fittings
14 - 11.3 Marking
15 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
15 - A1 SCOPE
15 - A2 RELEVANCE
15 - A3 DEFINITIONS
15 - A3.1 Acceptable quality level (AQL)
15 - A3.2 Batch
15 - A3.3 Batch release test (BRT)
15 - A3.4 Inspection level
15 - A3.5 Lot
15 - A3.6 Material or compound batch
15 - A3.7 Production batch
16 - A3.8 New formulation
16 - A3.9 Process verification test (PVT)
16 - A3.10 Sample
16 - A3.11 Sampling plan
16 - A3.12 Type test (TT)
16 - A4 PRODUCT CERTIFICATION
16 - A5 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN
16 - A5.1 General
17 - A5.2 Retesting
17 - A5.3 Rejection after retest
17 - A6 TYPE TESTING FOR RE-EVALUATION
17 - A6.1 Change in material/compound
17 - A6.2 Required type tests
20 - APPENDIX B - PURCHASING GUIDELINES
20 - B1 GENERAL
20 - B2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
21 - APPENDIX C - THERMAL STABILITY TEST
21 - C1 SCOPE
21 - C2 PRINCIPLE
21 - C3 APPARATUS
21 - C4 PREPARATION OF TEST PIECE
21 - C5 PROCEDURE
21 - C6 TEST REPORT
22 - APPENDIX D - WATER ABSORPTION TEST
22 - D1 SCOPE
22 - D2 PRINCIPLE
22 - D3 APPARATUS
22 - D4 PREPARATION OF TEST PIECE
22 - D5 PROCEDURE
22 - D6 TEST REPORT
23 - APPENDIX E - PENETRATION RESISTANCE TEST
23 - E1 SCOPE
23 - E2 PRINCIPLE
23 - E3 APPARATUS
23 - E4 PREPARATION OF TEST PIECE
23 - E5 PROCEDURE
23 - E6 TEST REPORT
24 - APPENDIX F - METHOD FOR THE DETERMINATION OF TENSILE STRESS AT YIELD
24 - F1 SCOPE
24 - F2 PRINCIPLE
24 - F3 APPARATUS
24 - F4 PREPARATION OF TEST PIECES
24 - F5 CONDITIONING
24 - F6 PROCEDURE
24 - F7 REPORT
25 - APPENDIX G - METHOD FOR THE DETERMINATION OF ENVIRONMENTAL STRESS-CRACKING RESISTANCE
25 - G1 SCOPE
25 - G2 PRINCIPLE
25 - G3 APPARATUS
25 - G4 REAGENT
25 - G5 PREPARATION OF TEST PIECES
25 - G6 CONDITIONING
25 - G7 PROCEDURE
25 - G8 REPORT
26 - APPENDIX H - PREPARATION OF COATING AND LINING TEST SPECIMENS
26 - H1 SCOPE
26 - H2 PRINCIPLE
26 - H3 APPARATUS
26 - H4 REMOVAL OF SAMPLE FROM TEST PIPE
26 - H5 PREPARATION OF TEST SPECIMENS
26 - H6 PROCEDURE
28 - APPENDIX I - IMPACT RESISTANCE TEST
28 - I1 SCOPE
28 - I2 PRINCIPLE
28 - I3 PREPARATION OF COATED TEST PIPE
28 - I4 PROCEDURE
28 - I5 REPORT
29 - APPENDIX J - ADHESION OF POLYETHYLENE REINSTATEMENT COMPOUND TO STEEL
29 - J1 SCOPE
29 - J2 PRINCIPLE
29 - J3 APPARATUS
29 - J4 PREPARATION OF TEST PIECE
29 - J5 PROCEDURE
29 - J6 TEST REPORT
30 - APPENDIX K - ADHESION OF POLYETHYLENE REINSTATEMENT COMPOUND TO
30 - K1 SCOPE
30 - K2 PRINCIPLE
30 - K3 APPARATUS
30 - K4 PREPARATION OF TEST PIECE
30 - K5 PROCEDURE
30 - K6 TEST REPORT
31 - APPENDIX L - CATHODIC DISBONDING RESISTANCE TEST
31 - L1 SCOPE
31 - L2 PRINCIPLE
31 - L3 APPARATUS
31 - L3.1 General equipment
32 - L3.2 Cathodic disbonding test cells
32 - L4 PREPARATION OF TEST SAMPLE
32 - L5 TEST PROCEDURE
33 - L6 REPORT
36 - APPENDIX M - CONTINUITY TEST
36 - M1 SCOPE
36 - M2 APPARATUS
36 - M3 VOLTAGE SETTING AND CALIBRATION
36 - M4 PROCEDURE
36 - M4.1 FBPE coated or lined pipes with exposed steel
36 - M4.2 FBPE coated pipes with no exposed steel but with a cement mortar lining
37 - M4.3 FBPE coated and lined pipe completely covered with FBPE
37 - M4.4 Testing
37 - M5 REPORT
38 - APPENDIX N - BOND STRENGTH TEST
38 - N1 SCOPE
38 - N2 PRINCIPLE
38 - N3 APPARATUS
38 - N4 PREPARATION OF TEST PIECE
38 - N5 TEST CONDITIONS
38 - N6 PROCEDURE
39 - N7 REPORT

Specifies requirements for factory-applied fusion-bonded medium-density polyethylene coatings for pipes and fittings, for protection against corrosion at operating temperatures between -40 degrees Celsius and plus 50 degrees Celsius. It is intended for use by specifiers, applicators, manufacturers and purchasers of steel water pipeline.

This Standard specifies requirements for factory-applied fusion-bonded medium-density polyethylene coating and lining of pipes and fittings, for protection against corrosion. Polyethylene materials complying with this Standard are intended for application to pipes and fittings where the pipeline operating temperatures are not less than -40C nor more than 70C for the coating and 50C for the lining.The coating is intended for use on pipes and fittings for underground and underwater service, including steel piling. The lining is intended for use on pipes and fittings for pipelines conveying wastewater and water intended for human consumption.Methods for determining compliance with this Standard are given in Appendix A.NOTE: Guidelines on requirements that are to be specified by the purchaser at the time of enquiry or order are given in Appendix B.

Committee
WS-009
DocumentType
Standard
ISBN
0 7337 3871 0
Pages
34
ProductNote
Reconfirmation Notice 01/02/2019 Reconfirmed 01/02/2019.
This standard has been reconfirmed in Australia in 2019 and remains current in New Zealand.
PublisherName
Standards Australia
Status
Current
Supersedes

First published as AS 4321-1995.
Second edition 2001.
Reconfirmed 2019. Originated as AS 4321-1995. Second edition 2001.

AS/NZS 4131:1997 Polyethylene (PE) compounds for pressure pipes and fittings
AS/NZS 3500.0:1995 National Plumbing and Drainage Code Glossary of terms
AS 3894.3-1993 Site testing of protective coatings - Determination of dry film thickness
AS/NZS 4131:2003 Polyethylene (PE) compounds for pressure pipes and fittings
AS 1193-1989 Plastics - Methods for determining the density and relative density of non-cellular plastics
AS 3894.3-2002 Site testing of protective coatings Determination of dry film thickness (Reconfirmed 2013)
AS 1627.2-1989 Metal finishing - Preparation and pretreatment of surfaces - Power tool cleaning
AS 1281-2001 Cement mortar lining of steel pipes and fittings (Reconfirmed 2018)
AS 1627.2-2002 Metal finishing - Preparation and pretreatment of surfaces Power tool cleaning (Reconfirmed 2017)
AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel (Reconfirmed 2017)
AS 1199-1988 Sampling procedures and tables for inspection by attributes
HB 18.28-2005 Conformity assessment - Guidance on a third-party certification system for products
AS/NZS 4020:2005 Testing of products for use in contact with drinking water
HB 18.28-1991 Guidelines for third-party certification and accreditation - Guide 28: General rules for a model third-party certification system for products
AS 1145.3-2001 Determination of tensile properties of plastics materials - Test conditions for films and sheets
AS/NZS 3500.0:2003 Plumbing and drainage Glossary of terms
AS 1145.1-2001 Determination of tensile properties of plastics materials General principles
AS 3855-1994 Suitability of plumbing and water distribution systems products for contact with potable water
AS 1627.4-1989 Metal finishing - Preparation and pretreatment of sufaces - Abrasive blast cleaning
AS/NZS 4020:1999 Products for use in contact with drinking water

AS 2832.1-2004 Cathodic protection of metals Pipes and cables
AS 2419.1:2017 Fire hydrant installations System design, installation and commissioning
AS 2832.2-2003 Cathodic protection of metals Compact buried structures
AS/NZS 2566.2:2002 Buried flexible pipelines Installation (Reconfirmed 2016)
AS 1579-2001 Arc-welded steel pipes and fittings for water and wastewater (Reconfirmed 2018)

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