Standard
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AS/NZS 4331.2:1995
[Current]Metallic flanges, Part 2: Cast iron flanges
Specifies international requirements for circular grey, malleable and ductile cast iron flanges in nominal pressure designations, PN 2.5 to PN 50. Types of flanges, their facings, dimensions, tolerances, bolt sizes, surface finish of faces, marking, testing, inspection and materials together with associated pressure/temperature ratings are specifed. This Standard is identical with and has been reproduced from ISO 7005-2:1988.
Published: 05/12/1995
Pages: 34
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Section 1 General
1.1 Scope
1.2 Normative references
1.3 Definitions and designations
1.3.1 Definitions
1.3.2 Designation of types and facings
Section 2 General requirements
2.1 Pressure/temperature (p/T) ratings
2.1.1 General
2.1.2 Rating of flanged joints
2.2 Materials
2.2.1 Range of materials
2.2.2 Gaskets
2.2.3 Bolting
2.3 Dimensions
2.3.1 Range of nominal sizes
2.3.2 Dimensional details
2.3.3 Attachment of welded and threaded flanges
2.4 Joint facings
2.4.1 Types of facings
2.4.2 Application
2.4.2.1
2.4.2.2
2.4.2.3
2.4.3 Surface finish of flanges
2.5 Spot-facing or back-facing
2.6 Marking
2.6.1 Identification
2.6.2 Stamping
2.7 Inspection and test
2.8 Repairs
2.9 Information to be supplied by the purchaser
Section 3 Dimensions
Section 4 Materials and pressure/temperature (p/T) ratings
4.1 Materials
4.2 Pressure/temperature ratings
Annex A
Annex B
Cited references in this standard
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