EN 4557:2003
Current
The latest, up-to-date edition.
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Tees nipples, welded end - Inch series
19-02-2003
Foreword
1 Scope
2 Normative references
3 Required characteristics
3.1 Configuration - Dimensions - Tolerances - Masses
3.2 Materials
4 Designation
5 Marking
6 Technical specification
This standard specifies the characteristics of welded tees with nipple for inch series pipe couplings, 37°, spherical, in heat resisting steel, for aerospace applications.Nominal pressure: Class D per ISO 6771
| Committee |
ASD-STAN
|
| DevelopmentNote |
Supersedes PREN 4557. (09/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN 4557:2004-08 | Identical |
| NEN EN 4557 : 2003 | Identical |
| SN EN 4557 : 2003 | Identical |
| NF EN 4557 : 2003 | Identical |
| NS EN 4557 : 1ED 2003 | Identical |
| BS EN 4557:2003 | Identical |
| UNI EN 4557 : 2004 | Identical |
| UNE-EN 4557:2003 | Identical |
| PN EN 4557 : 2004 | Identical |
| I.S. EN 4557:2003 | Identical |
| NBN EN 4557 : 2003 | Identical |
| EN 4550-1:2014 | Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 1: Male sealing ends, spherical |
| ISO 6771:2007 | Aerospace — Fluid systems and components — Pressure and temperature classifications |
| EN 4549:2014 | Aerospace series - Pipe coupling, in heat resisting steel or in heat resisting nickel alloy - Coupling end, welded - Design configuration - Inch series |
| PREN 3487 : 200P2 | AEROSPACE SERIES - STEEL FE-PA3601 (X6CRNITI18-10) - AIR MELTED - SOFTENED - BAR FOR MACHINING - A OR D <= 250 MM - 500 MPA <= R[M] <= 700 MPA |
| EN 2424:2008 | Aerospace series - Marking of aerospace products |
| PREN 3363 : 200P1 | AEROSPACE SERIES - STEEL FE-CM68 - SOLUTION TREATED - R[M] >= 485 MPA - SAND OR INVESTMENT CASTING |
| PREN 3468 : 200P1 | AEROSPACE SERIES - STEEL FE-PA13 - SOFTENED - 500 < R[M] <= 700 MPA - FORGINGS - D[E] <= 100 MM |
| EN 4560:2015 | Aerospace series - Pipe coupling 37°, spherical up to 21 000 kPa - Inch series - Technical specification |
| ISO 3161:1999 | Aerospace — UNJ threads — General requirements and limit dimensions |
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