BS EN 4551-2003 pdf download

08-13-2021 comment

BS EN 4551-2003 pdf download.Pipe coupling 37 , in heat resisting steel Swivel nuts – Inch serles.
This BS EN 4551 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.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).
ISO 3161 Aerospace – UNJ threads – General requirements and limit dimensions.
ISO 6771 Aerospace – Fluid systems and components- Pressure and temperature classifications.
EN 2424 Aerospace series – Marking of aerospace products.
EN 2491 Aerospace series – Molybdenum disuiphide dry lubricants – Coating methods.
EN 2786 Aerospace series – Electrolytic silver plating of fasteners 1),
EN 3468 Aerospace series – Steel FE-PA 13- Softened – 500 ≤ R,, ≤ 700 MPa – Forgings — De ≤ 100 mm
EN 3487 Aerospace series – Steel FE-PA 13 – Softened – 500 S ≤ 700 MPa – Bars for machining – De ≤ 100 mm
EN 4560 Aerospace series Pipe couplings, 37°, spherical, up to 21 000 kPa – Inch series Technical specification.
5 Marking
Accofding to EN 2424. style A and Figure 1.
6 Technical specification Accoding to EN 4560.BS EN 4551-2003 pdf download.

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