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AS
AS/NZS 4331.2:1995

AS/NZS 4331.2:1995

Current

Current

The latest, up-to-date edition.

Metallic flanges Cast iron flanges (Reconfirmed 2020)

Available format(s)

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

Language(s)

English

Published date

05-12-1995

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS/NZS 4331.2:1995 METALLIC FLANGES - CAST IRON FLANGES
4 - PREFACE
6 - CONTENTS
7 - Section 1: General
7 - 1.1 Scope
7 - 1.2 Normative references
7 - 1.3 Definitions and designations
7 - 1.3.1 Definitions
8 - 1.3.2 Designation of types and facings
9 - Section 2: General requirements
9 - 2.1 Pressure/temperature (p/T) ratings
9 - 2.1.1 General
9 - 2.1.2 Rating of flanged joints
9 - 2.2 Materials
9 - 2.2.1 Range of materials
9 - 2.2.2 Gaskets
9 - 2.2.3 Bolting
9 - 2.3 Dimensions
9 - 2.3.1 Range of nominal sizes
9 - 2.3.2 Dimensional details
9 - 2.3.3 Attachment of welded and threaded flanges
9 - 2.4 Joint facings
9 - 2.4.1 Types of facings
10 - 2.4.2 Application
10 - 2.4.3 Surface finish of flanges
10 - 2.5 Spot-facing or back-facing
10 - 2.6 Marking
10 - 2.6.1 Identification
10 - 2.6.2 Stamping
10 - 2.7 Inspection and test
10 - 2.8 Repairs
10 - 2.9 Information to be supplied by the purchaser
13 - Section 3: Dimensions
35 - Section 4: Materials and pressure/temperature (p/T) ratings
35 - 4.1 Materials
36 - 4.2 Pressure/temperature ratings
38 - Annex A - Guidance on tolerances on dimensions
40 - Annex B - Bibliography

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 ISO7005-2:1988.

Committee
ME/1
DocumentType
Standard
ISBN
0 7337 0008 X
Pages
34
ProductNote
Reconfirmed 21/08/2020.
This standard has been reconfirmed in Australia in 2020 and remains current in New Zealand. Reconfirmation Notice 21/08/2020
PublisherName
Standards Australia
Status
Current

This part of ISO 7005 for a single system of flanges specifies requirements for circular grey, malleable and ductile cast iron flanges in the following nominal pressure ratings:Series 1* Series 2*ISO PN10 ISO PN2,5ISO PN16 ISO PN6ISO PN20 ISO PN25ISO PN50 ISO PN40This part of ISO 7005 specifies the types of flanges and their facings, dimensions, bolt sizes, surface finish of faces, marking, testing, inspection and materials together with associated pressure/temperature ratings.NOTES1 Attention is drawn to the need to refer to the pressure/ temperature rating tables for the permissible working pressures, particularly for flanges of ISO PN20 and ISO PN50.2 Dimensions of gaskets will be the subject of a future International Standard.

Standards Relationship
ISO 7005-2:1988 Identical

First published as AS/NZS 4331.2:1995.

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