AS/NZS 4087:2011
Metallic flanges for waterworks purposes
Provides manufacturers with requirements for metallic flanges for waterworks purposes and installers of flanged components guidance on the most appropriate jointing requirements to achieve a satisfactory long-term watertight joint.
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PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 NORMATIVE REFERENCES
1.4 DEFINITIONS
1.4.1 Allowable operating pressure (AOP)
1.4.2 Allowable site test pressure (ASTP)
1.4.3 Coating
1.4.4 DN (nominal size)
1.4.5 Flange contact surface
1.4.6 Flange face
1.4.7 Flange thickness
1.4.8 Fluid
1.4.9 Integral flange
1.4.10 Maximum allowable operating pressure (MAOP)
1.4.11 Maximum allowable type test pressure (MATTP)
1.4.12 Pressure class (PN)
1.4.13 Temperature
1.5 CONFIGURATION
1.5.1 General
1.5.2 Type
1.5.3 Flange face
1.6 MARKING
SECTION 2 CLASSIFICATION AND ALLOWABLE PRESSURES
SECTION 3 MATERIALS
3.1 FLANGES
3.2 FASTENERS
3.3 FLANGE GASKETS
3.4 O-RINGS FOR FLANGES
3.4.1 General
3.4.2 Material
3.4.3 Method of manufacture
3.4.4 Dimensions
3.4.5 Assembly
SECTION 4 MANUFACTURING REQUIREMENTS, DIMENSIONS AND TOLERANCES
4.1 DIMENSIONS AND TOLERANCES
4.1.1 Thickness of flange
4.1.2 Outside diameter of flange
4.1.3 O-ring groove
4.1.4 Height of raised face
4.1.5 Diameter of raised face
4.1.6 Boltholes
4.2 CONTACT SURFACES
4.2.1 General
4.2.2 Tolerance on flatness
4.3 SPOT-FACING AND BACK-FACING OF FLANGES
4.3.1 Parallelism of bearing surfaces
4.3.2 Diameter of spot-facing
4.3.3 Back-facing
4.3.4 Thickness of flanges after spot-facing or back-facing
4.4 PREPARATION FOR THE ATTACHMENT OF FLANGES
4.4.1 Screw-on flanges
4.4.2 Plate flanges
SECTION 5 DESIGN
5.1 CIRCULAR FLANGES
5.2 FLANGES WITH ALTERNATIVE EXTERNAL SHAPE
5.2.1 General
5.2.2 Thickness
5.2.3 Performance requirements
APPENDIX A - NORMATIVE REFERENCES
APPENDIX B - DIMENSIONS OF FLANGES
B1 SCOPE
B2 DIMENSIONS
APPENDIX C - FLANGE JOINTING GUIDLINES
C1 SCOPE
C2 JOINTING GUIDELINES
APPENDIX D - PURCHASING GUIDELINES
D1 GENERAL
D2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
D3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
APPENDIX E - TYPE TEST FOR FLANGES WITH ALTERNATIVE EXTERNAL SHAPES
E1 SCOPE
E2 TEST ASSEMBLY
E3 HYDROSTATIC TEST
E4 HYDROSTATIC TEST WITH MOMENT APPLIED
BIBLIOGRAPHY
Amendments
Previous versions
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PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 NORMATIVE REFERENCES
1.4 DEFINITIONS
1.4.1 Allowable operating pressure (AOP)
1.4.2 Allowable site test pressure (ASTP)
1.4.3 Coating
1.4.4 DN (nominal size)
1.4.5 Flange contact surface
1.4.6 Flange face
1.4.7 Flange thickness
1.4.8 Fluid
1.4.9 Integral flange
1.4.10 Maximum allowable operating pressure (MAOP)
1.4.11 Maximum allowable type test pressure (MATTP)
1.4.12 Pressure class (PN)
1.4.13 Temperature
1.5 CONFIGURATION
1.5.1 General
1.5.2 Type
1.5.3 Flange face
1.6 MARKING
SECTION 2 CLASSIFICATION AND ALLOWABLE PRESSURES
SECTION 3 MATERIALS
3.1 FLANGES
3.2 FASTENERS
3.3 FLANGE GASKETS
3.4 O-RINGS FOR FLANGES
3.4.1 General
3.4.2 Material
3.4.3 Method of manufacture
3.4.4 Dimensions
3.4.5 Assembly
SECTION 4 MANUFACTURING REQUIREMENTS, DIMENSIONS AND TOLERANCES
4.1 DIMENSIONS AND TOLERANCES
4.1.1 Thickness of flange
4.1.2 Outside diameter of flange
4.1.3 O-ring groove
4.1.4 Height of raised face
4.1.5 Diameter of raised face
4.1.6 Boltholes
4.2 CONTACT SURFACES
4.2.1 General
4.2.2 Tolerance on flatness
4.3 SPOT-FACING AND BACK-FACING OF FLANGES
4.3.1 Parallelism of bearing surfaces
4.3.2 Diameter of spot-facing
4.3.3 Back-facing
4.3.4 Thickness of flanges after spot-facing or back-facing
4.4 PREPARATION FOR THE ATTACHMENT OF FLANGES
4.4.1 Screw-on flanges
4.4.2 Plate flanges
SECTION 5 DESIGN
5.1 CIRCULAR FLANGES
5.2 FLANGES WITH ALTERNATIVE EXTERNAL SHAPE
5.2.1 General
5.2.2 Thickness
5.2.3 Performance requirements
APPENDIX A - NORMATIVE REFERENCES
APPENDIX B - DIMENSIONS OF FLANGES
B1 SCOPE
B2 DIMENSIONS
APPENDIX C - FLANGE JOINTING GUIDLINES
C1 SCOPE
C2 JOINTING GUIDELINES
APPENDIX D - PURCHASING GUIDELINES
D1 GENERAL
D2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
D3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
APPENDIX E - TYPE TEST FOR FLANGES WITH ALTERNATIVE EXTERNAL SHAPES
E1 SCOPE
E2 TEST ASSEMBLY
E3 HYDROSTATIC TEST
E4 HYDROSTATIC TEST WITH MOMENT APPLIED
BIBLIOGRAPHY
Amendments
Previous versions
AS/NZS 4087:2011
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.