EN 1092-2:1997
Withdrawn
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
04-23-1997
10-31-1997
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
This part of EN 1092 specifies requirements for circular flanges made from ductile, grey and malleable cast iron for DN 10 to DN 4000 and PN 63. (See 4.1 and 4.2). This standard specifies the types of flanges and their facings, dimension and tolerances, bolt sizes, surface finish of jointing faces, marking testing, quality assurance and materials together with associated pressure/ temperature (p/T) ratings.
| Committee |
CEN/TC 74
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NBN EN 1092-2 : 1997 | Identical |
| I.S. EN 1092-2:1997 | Identical |
| PN EN 1092-2 : 1999 | Identical |
| BS EN 1092-2:1997 | Identical |
| NF EN 1092-2 : 1997 | Identical |
| NS EN 1092-2 : 1ED 1997 | Identical |
| NEN EN 1092-2 : 1997 | Identical |
| DS EN 1092-2 : 1997 | Identical |
| UNE-EN 1092-2:1998 | Identical |
| DIN EN 1092-2:1997-06 | Identical |