
EN 4556:2003
Current
The latest, up-to-date edition.

Aerospace series - Pipe coupling 37°, in heat resisting steel - Cap assemblies- Inch series
19-02-2003
Foreword
1 Scope
2 Normative references
3 Required characteristics
3.1 Configuration - Dimensions - Tolerances - Masses
3.2 Materials
3.3 Surface treatment
3.4 Cap
4 Cap assembly
5 Designation
6 Marking
7 Technical specification
This standard specifies the characteristics of cap assemblies for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications.Mateable with prEN 4552, prEN 4553 or prEN 4554Nominal pressure : Class D in accordance with ISO 6771
Committee |
ASD-STAN
|
DevelopmentNote |
Supersedes PREN 4556. (09/2003)
|
DocumentType |
Standard
|
PublisherName |
Comite Europeen de Normalisation
|
Status |
Current
|
Supersedes |
Standards | Relationship |
NBN EN 4556 : 2003 | Identical |
NEN EN 4556 : 2003 | Identical |
NS EN 4556 : 1ED 2003 | Identical |
I.S. EN 4556:2003 | Identical |
PN EN 4556 : 2004 | Identical |
SN EN 4556 : 2003 | Identical |
UNI EN 4556 : 2004 | Identical |
UNE-EN 4556:2003 | Identical |
BS EN 4556:2003 | Identical |
NF EN 4556 : 2003 | Identical |
DIN EN 4556:2004-08 | Identical |
EN 4551:2014 | Aerospace series - Pipe coupling, 37°, in heat resisting steel - Swivel nuts - Inch series |
ISO 6771:2007 | Aerospace — Fluid systems and components — Pressure and temperature classifications |
EN 2491:2011 | Aerospace series - Molybdenum disulphide dry lubricants - Coating methods |
EN 4554:2003 | Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight unions, threaded - Inch series |
PREN 2786 : 200P1 | AEROSPACE SERIES - ELECTROLYTIC SILVER PLATING OF FASTENERS |
EN 4553:2003 | Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Elbow 90° nipples, welded end - 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 4552:2015 | Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight nipples, welded end - Inch series |
EN 2424:2008 | Aerospace series - Marking of aerospace products |
EN 4550-4:2014 | Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 4: Female sealing ends |
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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