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AS/NZS 4327:1995

Current
Current

The latest, up-to-date edition.

Metal-banded flexible couplings for low-pressure applications (Reconfirmed 2020)
Available format(s)

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

Language(s)

English

Published date

09-05-1995

Preview

1 - AS/NZS 4327:1995 METAL-BANDED FLEXIBLE COUPLINGS FOR LOW-PRESSURE APPLICATIONS
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
7 - 1.3 DEFINITIONS
7 - 1.3.1 Adaptor bush
7 - 1.3.2 Component
8 - 1.3.3 Nominal size
8 - 1.4 CLASSIFICATION
8 - 1.5 MANUFACTURER’S DATA
8 - 1.6 STORAGE
8 - 1.7 MARKING
8 - 1.7.1 Sleeve and adaptor bush
9 - 1.7.2 Metal band
9 - 1.7.3 Metal shear ring
10 - SECTION 2 MATERIALS
10 - 2.1 SLEEVE AND ADAPTOR BUSH
10 - 2.1.1 Specification
10 - 2.1.2 Determination of properties
10 - 2.1.3 Contamination of water
10 - 2.2 METAL BAND WITH SCREW AND HOUSING AND METAL SHEAR RING WITH FASTENERS AND HOUSINGS
11 - SECTION 3 DIMENSIONS AND IMPERFECTIONS
11 - 3.1 DIMENSIONS
11 - 3.2 IMPERFECTIONS
11 - 3.2.1 Sleeve and adaptor bush
11 - 3.2.2 Stainless steel band and shear ring
13 - SECTION 4 PERFORMANCE REQUIREMENTS
13 - 4.1 METAL BAND WITH FASTENER AND HOUSING
13 - 4.2 METAL SHEAR RING WITH FASTENERS AND HOUSINGS
13 - 4.2.1 Tensile strength
13 - 4.2.2 Weld strength
13 - 4.3 FLEXIBLE COUPLINGS
13 - 4.3.1 Test specimens
13 - 4.3.2 Watertightness
13 - 4.3.3 Shear strength
15 - APPENDIX A - PURCHASING GUIDELINES
15 - A1 GENERAL
15 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
15 - A3 CERTIFICATES
15 - A3.1 Certificate of compliance
15 - A3.2 Test certificate
16 - APPENDIX B - TYPE A FLEXIBLE COUPLINGS-PROPERTIES OF ELASTOMERIC MATERIALS
16 - B1 SCOPE
16 - B2 GENERAL
16 - B3 HARDNESS
16 - B4 TENSILE STRENGTH AND ELONGATION AT BREAK
16 - B5 ACCELERATED AGEING
16 - B6 WATER IMMERSION
16 - B7 OIL RESISTANCE
16 - B8 OZONE RESISTANCE
16 - B9 FLUID IMMERSION
16 - B10 COMPRESSION SET
17 - B11 RATE OF COMPRESSION STRESS RELAXATION
17 - B12 LOW TEMPERATURE RESISTANCE
17 - B13 TEAR RESISTANCE
18 - APPENDIX C - METAL BAND WITH FASTENER AND HOUSING OR METAL SHEAR RING WITH FASTENERS AND HOUSINGS-STRENGTH TEST
18 - C1 SCOPE
18 - C2 PRINCIPLE
18 - C3 APPARATUS
18 - C4 TEST SPECIMEN
18 - C5 PROCEDURE
18 - C6 REPORT
19 - APPENDIX D - METAL SHEAR RING WITH FASTENERS AND HOUSINGS-WELD STRENGTH
19 - D1 SCOPE
19 - D2 PRINCIPLE
19 - D3 APPARATUS
19 - D4 PROCEDURES
20 - D5 REPORT
21 - APPENDIX E - WATERTIGHTNESS TEST
21 - E1 SCOPE
21 - E2 PRINCIPLE
21 - E3 APPARATUS
22 - E4 PROCEDURE
22 - E4.1 Restrained test
23 - E4.2 Deflection test
23 - E4.3 Unrestrained test
23 - E5 REPORT
24 - APPENDIX F - FLEXIBLE COUPLING-SHEAR STRENGTH
24 - F1 SCOPE
24 - F2 PRINCIPLE
24 - F3 APPARATUS
25 - F4 PROCEDURE
25 - F5 REPORT
26 - APPENDIX G - LOW TEMPERATURE RESISTANCE TEST
26 - G1 SCOPE
26 - G2 PRINCIPLE
26 - G3 APPARATUS
26 - G4 TEST SPECIMEN
26 - G5 PROCEDURE
26 - G6 REPORT

Specifies requirements for metal-banded flexible couplings used in low-pressure pipeline systems that convey water, waste water or stormwater. Acceptance criteria for defined imperfections are given for sleeves and adaptor bushes. It includes appendices which set out test methods.

This Standard specifies requirements for metal-banded flexible couplings (referred to in this Standard as flexible couplings) either with or without metal shear rings to be used in below or above ground low-pressure pipeline systems which convey water, waste water or stormwater.The Standard applies to flexible couplings designed for jointed items having the same or similar nominal internal diameters, made from the same or different materials. It does not apply to adaptor flexible couplings designed for jointed items having significantly different diameters.Spigot and socket joints with elastomeric seals are not covered by this Standard.NOTES:1 Flexible couplings with metal shear rings are preferred for applications subject to the effect of soil loads and any superimposed loads, including repairs and post-construction connections to existing pipeline systems.2 Elastomeric joint seals for waterworks purposes are specified in AS 1646.3 Guidelines to purchasers on information to be specified at the time of enquiry or order are given in Appendix A.

Committee
WS/10
DocumentType
Standard
ISBN
0 7262 9940 5
Pages
21
ProductNote
Reconfirmed 28/08/2020.
This standard has been reconfirmed in Australia in 2020 and remains current in New Zealand. Reconfirmation Notice 28/08/2020
PublisherName
Standards Australia
Status
Current
Supersedes

First published as AS/NZS 4327:1995.
Reconfirmed 2020. First published as AS/NZS 4327:1995.

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