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I.S. EN 1092-2:1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 2: CAST IRON FLANGES

Available format(s)

Hardcopy , PDF

Superseded date

07-12-2023

Superseded by

I.S. EN 1092-2:2023

Language(s)

English

Published date

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.

€70.00
Excluding VAT

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Superseded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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