BS EN 4551:2014
Current
The latest, up-to-date edition.
Aerospace series. Pipe coupling, 37°, in heat resisting steel. Swivel nuts. Inch series
Hardcopy , PDF
English
30-11-2015
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Foreword
1 Scope
2 Normative references
3 Required characteristics
4 Designation
5 Marking
6 Technical specification
Annex A (informative) - Standard evolution form
Defines the characteristics of swivel nuts for inch series pipe couplings, 37 degrees, in heat resisting steel, for aerospace applications.
| Committee |
ACE/69
|
| DevelopmentNote |
Supersedes 98/710277 DC. (03/2003) Supersedes 11/30254548 DC. (10/2014)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This European Standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications.
Nominal pressure: Class D in accordance with ISO 6771.
| Standards | Relationship |
| NF EN 4551 : 2014 | Identical |
| I.S. EN 4551:2014&LC:2014-12 | Identical |
| UNI EN 4551 : 2004 | Identical |
| NBN EN 4551 : 2014 | Identical |
| EN 4551:2014 | Identical |
| NS EN 4551 : 2014 | Identical |
| NEN EN 4551 : 2014 | Identical |
| DIN EN 4551:2015-02 | Identical |
| SN EN 4551 : 2014 | Identical |
| ISO 6771:2007 | Aerospace — Fluid systems and components — Pressure and temperature classifications |
| EN 2491:2011 | Aerospace series - Molybdenum disulphide dry lubricants - Coating methods |
| EN 2786:2008 | Aerospace series - Electrolytic silver plating of fasteners |
| EN 2424:2008 | Aerospace series - Marking of aerospace products |
| EN 3487:2007 | Aerospace series - Steel FE-PA3601 (X6CrNiTi18-10) - Air melted - Softened - Bar for machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa |
| 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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