I.S. EN 1092-2:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 2: CAST IRON FLANGES
Hardcopy , PDF
07-12-2023
English
01-01-1997
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Flange
3.2 DN (Nominal size)
3.3 PN
3.4 Ductile iron
3.5 Grey iron
3.6 Malleable iron
3.7 Joint
4 Designation and types
4.1 Range of DN
4.2 Range of PN designations
4.3 Types of flanges
4.4 Standard designation
4.5 Information to be supplied by the purchaser
5 General requirements
5.1 Flange material
5.2 Repairs by welding
5.3 Bolting
5.4 Gaskets
5.5 Pressure/Temperature (p/T) ratings
5.6 Dimensions
5.7 Flange facings
5.8 Spot facing or back facing
5.9 Tolerances
5.10 Marking and stamping
5.11 Quality assurance
Annex A (normative) Information to be supplied by the
purchaser
Annex B (informative) Notes to tables 6 to 12
Annex C (informative) Bibliography
Describes requirements for circular flanges made from ductile, grey and malleable cast iron for DN 10 to DN 4000 and PN 2,5 to PN 63.
| DocumentType |
Standard
|
| Pages |
52
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN 1092-2:1998 | Identical |
| UNI EN 1092-2 : 1999 | Identical |
| NBN EN 1092-2 : 1997 | Identical |
| BS EN 1092-2:1997 | Identical |
| SN EN 1092-2 : 1997 | Identical |
| NF EN 1092-2 : 1997 | Identical |
| NS EN 1092-2 : 1ED 1997 | Identical |
| EN 1092-2:1997 | Identical |
| NEN EN 1092-2 : 1997 | Identical |
| ONORM EN 1092-2 : 1997 | Identical |
| DIN EN 1092-2:1997-06 | Identical |
| ISO 7005-2:1988 | Metallic flanges — Part 2: Cast iron flanges |
| ISO 5922:2005 | Malleable cast iron |
| EN ISO 9002:1994/AC:1997 | QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| ISO 887:2000 | Plain washers for metric bolts, screws and nuts for general purposes General plan |
| PREN 1092-1 : DRAFT 2016 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| ISO 9002:1994 | Quality systems — Model for quality assurance in production, installation and servicing |
| ISO 2632-3:1979 | Roughness comparison specimens Part 3: Cast surfaces |
| ISO 13:1978 | Grey iron pipes, special castings and grey iron parts for pressure main lines |
| EN ISO 6708:1995 | Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995) |
| ISO 468:1982 | Surface roughness — Parameters, their values and general rules for specifying requirements |
| EN 1333:2006 | Flanges and their joints - Pipework components - Definition and selection of PN |
| ISO 185:2005 | Grey cast irons Classification |
| EN 545:2010 | Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods |
| ISO 2531:2009 | Ductile iron pipes, fittings, accessories and their joints for water applications |
| ISO 5458:1998 | Geometrical Product Specifications (GPS) Geometrical tolerancing Positional tolerancing |
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