ASD-STAN PREN 4674-004-2016 Aerospace series Electrical cables installation Self-wrapping shielding (EMI) protective sleeve Part 004 Open sleeve Outside pressurized area EMI protec.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4674-004 Edition P 2 September 2016 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Supersedes edit

2、ion P 1 of June 2012 and will supersede EN 4674-004:2015 Descriptors: ENGLISH VERSION Aerospace series Electrical cables, installation Self-wrapping shielding (EMI) protective sleeve Part 004: Open sleeve Outside pressurized area EMI protection 10 kA Temperature range 65 C to 200 C Product standard

3、Luft- und Raumfahrt Elektrische Leitungen, Installation Selbstschlieender abschirmender (EMI) Schutzschlauch Teil 004: Offener Schutzschlauch Auerhalb druckbelfteter Bereiche EMI-Schutz 10 kA Temperaturbereich 65 C bis 200 C Produktnorm Srie arospatiale Cbles lectriques, installation Gaine de protec

4、tion blinde (EMI) auto-fermable Partie 004 : Gaine ouverte Usage externe Protection EMI 10 kA Temprature dutilisation 65 C 200 C Norme de produit This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - S

5、tandardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interc

6、hangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal

7、vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This doc

8、ument is published by ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN review

9、s each standard and technical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a

10、retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st September 2016

11、 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2016 ASD-STAN prEN 4674-004:2016 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions . 4 4 Required characteristics 4 5 Test methods 8 6 Designation

12、. 9 7 Marking . 9 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. p

13、rEN 4674-004:2016 (E) 3 1 Scope This standard specifies the characteristics of flexible 10 kA self-wrapping shielding (EMI) protection sleeves, to be installed mainly outside pressurized areas on electrical cables or cable bundles, made from nickel plated copper strands and PPS (polyphenylene sulphi

14、de) monofilament. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (i

15、ncluding any amendments) applies. EN 2591-214, Aerospace series Elements of electrical and optical connection Test methods Part 214: Lightning strike, current and voltage pulse EN 2591-307, Aerospace series Elements of electrical and optical connection Test methods Part 307: Salt mist EN 2825, Aeros

16、pace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of smoke density EN 2826, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of gas components in the smoke

17、EN 3475-, Aerospace series Cables, electrical, aircraft use Test methods 1) EN 3844-1, Aerospace series Flammability of non metallic materials Part 1: Small burner test, vertical Determination of the vertical flame propagation) EN 4674-001, Aerospace series Electrical cables, installation Self-wrapp

18、ing shielding (EMI) protective sleeve Part 001: Technical specification EN 4674-002, Aerospace series Electrical cables, installation Self-wrapping shielding (EMI) protective sleeve Part 002: General and list of product standard EN 6059-, Aerospace series Electrical cables, installation Protection s

19、leeves Test methods 1) ISO 4892-3, Plastics Methods of exposure to laboratory light sources Part 3: Fluorescent UV lamps 2) IEC 62153-4-3, Metallic communication cable test methods Part 4-3: Electromagnetic compatibility (EMC) Surface transfer impedance Triaxial method 3) ASTM D4894, Standard Specif

20、ication for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials 4) 1) All its parts quoted in Table 5. 2) Published by: ISO International Organization for Standardization. http:/www.iso.ch/ 3) Published by: IEC International Electrotechnical Commission. http:/www.iec.ch/ 4) P

21、ublished by: ASTM National (US) American Society for Testing and Materials. http:/www.astm.org/ prEN 4674-004:2016 (E) 4 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 4674-001 apply. 4 Required characteristics 4.1 Composition This product is manufac

22、tured from PPS (polyphenylene sulphide) monofilaments and nickel-plated copper wire, with or without an internal protective tape. 4.2 Dimensions and mass of the sleeve See Figures 1 and 2, Tables 1 and 2. Figure 1 Key 1 Warp 2 Weft Figure 2 prEN 4674-004:2016 (E) 5 Table 1 Dimensions and mass withou

23、t internal protective tape Size code Wall thickness Diameters to be protected Mass mm mm max. g/m 05 0,9 0,40 0 to 5 57 08 5 to 8 63 13 8 to 13 66 16 13 to 16 75 19 16 to 19 88 25 19 to 25 112 32 25 to 32 148 38 32 to 38 172 45 38 to 45 187 Table 2 Dimensions and mass with internal protective tape S

24、ize code Wall thickness Diameters to be protected Mass mm mm max. g/m 05 1 0,40 0 to 5 59 08 5 to 8 66 13 8 to 13 77 16 13 to 16 82 19 16 to 19 96 25 19 to 25 122 32 25 to 32 160 38 32 to 38 187 45 38 to 45 205 4.3 Colour, materials and tracer line identification 4.3.1 Colour, tracer line and sleeve

25、 identification See EN 4674-001. prEN 4674-004:2016 (E) 6 4.3.2 Internal mechanical protection tape The sleeve can be delivered with an internal mechanical protection tape according to ASTM D4894 Type IV, Grade 2 for electrical insulation between the cables and the metallic flat braid; see Table 3.

26、Table 3 Internal mechanical protection tape designation code Tape code Supply condition P With internal mechanical protection tape W Without internal mechanical protection tape 4.3.3 Size identification To identify each sleeve size, no specific tracer shall be specified. The size can be verified by

27、the installation of the sleeve on a mandrel or bundle and the tracer line. 4.4 Electrical characteristics for EMI protection 4.4.1 Electrical resistance requirement In accordance with Table 4. Table 4 Electrical resistance requirement Size code DC Electrical resistance Ro max. m/m After endurance cy

28、cles 05 6 08 5 13 5 16 5 19 5 25 5 32 5 38 5 45 5 Resistance measurement shall be done at ambient T and after endurance testing. prEN 4674-004:2016 (E) 7 4.4.2 Transfer impedance requirement After endurance cycles, the transfer impedance curve (see Figure 3) shall be below Zt max.: 2tot ) m a x .(m

29、a x . )(m a x . 2 LRZ with Ro max. see Table 4; Lt max. 2 nH/m; 2f; 3,141 6. where f the frequency in Hz; Zt max. transfer impedance maximum acceptable. Z t (ohm/m)Frequency (MHz) Figure 3 Transfer impedance curve prEN 4674-004:2016 (E) 8 For the EMI sleeve sizes 5 to 13 included, the maximum admiss

30、ible tolerance above the transfer impedance curve is 2.3 dB between 10 kHz and 600 kHz. For all other sizes, the maximum admissible tolerance above the transfer impedance curve is 4 dB, on 1 % of the frequency according to X-axis. 5 Test methods The tests shall be carried out as shown in Table 5. Fo

31、r the number of samples to be tested and the test sequences, see EN 4674-001. Table 5 Test methods and details (1 of 2) Test method Designation of the test Details EN 6059-201 Visual inspection Applicable EN 6059-202 Dimensions and mass Applicable EN 6059-203 Coverage Not applicable EN 6059-301 Sun

32、light exposure Applicable (duration is 40 h). See ISO 4892-3, method B, cycle 5. The retention of the tensile strength shall be 45 % minimum. EN 6059-302 High temperature exposure Applicable EN 6059-303 Resistance to fluids Applicable The retention of the tensile strength shall be 45 % minimum. EN 3

33、844-1b Flammability Applicable EN 6059-305 Fluid absorption Not applicable EN 6059-306 Mould growth Applicable EN 6059-308 Rapid change of temperature Applicable TA = 200 C and TB = 65 C EN 6059-309 Fire resistance of protected bundle Not applicable EN 6059-401 Expansion range Not applicable EN 6059

34、-402 Bending properties Applicable EN 6059-403 Scrape abrasion Not applicable EN 6059-404 Tensile strength Not applicable EN 6059-405 Dynamic cut-through Applicable (load is 30 N) EN 6059-406 Vibration Applicable EN 6059-501 Voltage proof test Not applicable EN 6059-502 Resistance to electrical arcs

35、 Not applicable EN 6059-503 Temperature rise due to rated current injected on the sleeve Applicable EN 6059-601 Open and close Applicable prEN 4674-004:2016 (E) 9 Table 5 Test methods and details (2 of 2) Test method Title Details EN 2825 Smoke density Applicable EN 2826 Toxicity Applicable EN 3475-

36、301 Ohmic resistance per unit length Applicable EN 3475-505 for metallic strands EN 6059-404 for non-metallic strands Tensile test on conductors and strands Applicable during purchasing process EN 3475-506 Plating continuity Applicable (test report issued by raw material manufacturer can be provided

37、) EN 3475-507 Adherence of plating Applicable (test report issued by raw material manufacturer can be provided) EN 3475-508 Plating thickness Applicable (test report issued by raw material manufacturer can be provided) EN 3475-509 Solderability Applicable during purchasing process for codes B, C EN

38、3475-807 IEC 62153-4-3 Transfer impedance Applicable EN 2591-214 Lightning strike, current and voltage pulse Applicable: 10 kA waveform 1 EN 2591-307 Salt mist Applicable: 500 h 6 Designation EXAMPLE Description block SLEEVE, PROTECTION Identity block EN4674-004-XXX Number of the basic standard Sleeve model Size code (see Table 1 and Table 2) Variant: internal protective tape code (see Table 3) 7 Marking See EN 4674-002.