ASD-STAN PREN 4674-004-2012 Aerospace series Electrical cables installation Self-wrapping shielding (EMI) protective sleeve Part 004 Open sleeve - Outside pressurized area - EMI pr.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4674-004 Edition P 1 June 2012 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLISH

2、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 Srie arospatiale Cbles lectriques, installation Gaine de protection blinde (EM

3、I) auto-fermable Partie 004 : Gaine ouverte Usage externe Protection EMI 10 kA Temprature dutilisation 65 C 200 C Norme de produit Luft- und Raumfahrt Elektrische Leitungen, Installation Selbstschlieender abschirmender (EMI) Schutzschlauch Teil 004: Offener Schutzschlauch Ausserhalb Druckkabine EMI

4、Schutz 10 kA Temperaturbereich 65 C bis 200 C Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It ha

5、s 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 interchangeability is affected, physically or functionally, without re-identification of the s

6、tandard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement

7、 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. Edition approved for publication 30 June 2012 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyrigh

8、t 2012 by ASD-STAN prEN 4674-004:2012 (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 9 7 Marking .9 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electric

9、al 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. prEN 4674-004:2012 (E) 3 1 Scope This standard specifies the characteristics of flexible 10 kA self-wrapping shi

10、elding (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 sulphide) monofilament. Temperature range: 65 C to 200 C. 2 Normative references The following referenced documents a

11、re indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-214, Aerospace series Elements of electrical and optical connection Test meth

12、ods 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, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination

13、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 EN 3475-, Aerospace series Cables, electrical, aircraft use Test methods 1)EN 3844-1, Aerospace series Flammability of

14、non metallic materials Part 1: Small burner test, vertical Determination of the vertical flame propagation 2)EN 4674-001, Aerospace series Electrical cables, installation Self-wrapping shielding (EMI) protective sleeve Part 001: Technical specification 3)EN 4674-002, Aerospace series Electrical cabl

15、es, installation Self-wrapping shielding (EMI) protective sleeve Part 002: General and list of product standard 3)EN 6059-, Aerospace series Electrical cables, installation Protection sleeves Test methods 1)IEC 62153-4-3, Metallic communication cable test methods Part 4-3: Electromagnetic compatibil

16、ity (EMC) Surface transfer impedance Triaxial method 4)ASTM D4894, Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding 5)1) All its parts quoted in Table 5. 2) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). 3) In preparation a

17、t the date of publication of this standard. 4) Published by: IEC International Electrotechnical Commission http:/www.iec.ch/. 5) Published by: ASTM National (US) American Society for Testing and Materials http:/www.astm.org/. prEN 4674-004:2012 (E) 4 3 Terms and definitions For the purposes of this

18、document, the terms and definitions given in EN 4674-001 apply. 4 Required characteristics 4.1 Composition This product is manufactured 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 Se

19、e Figures 1 and 2, Tables 1 and 2. Figure 1 Key 1 Warp 2 Weft Figure 2 prEN 4674-004:2012 (E) 5 Table 1 Dimensions and mass without 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

20、 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 Size 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 t

21、o 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 identification See EN 4674-001. prEN 4674-004:2012 (E) 6 4.3.2 Internal mechanical protection tape The sleeve can be delivered with an internal mechanical protection tap

22、e according to ASTM D4894 Type IV, Grade 2 for electrical insulation between the cables and the metallic flat braid; see Table 3. Table 3 Internal mechanical protection tape designation code Tape code Supply condition P With internal mechanical protection tape W Without internal mechanical protectio

23、n tape 4.3.3 Size identification To identify each sleeve size, no specific tracer shall be specified. The size can be verified by 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 ac

24、cordance with Table 4. Table 4 Electrical resistance requirement Size code DC Electrical resistance Ro max. m/m After endurance cycles 05 6 08 5 1316 5 1925 5 3238 5 4553 5 Resistance measurement shall be done at ambient T and after endurance testing. prEN 4674-004:2012 (E) 7 4.4.2 Transfer impedanc

25、e requirement After endurance cycles, the transfer impedance curve (see Figure 3) shall be below Ztmax.: 2t2ot) max.max.)(max. L(RZ with Romax. see Table 4; Lt max. 2 nH/m; 2f; 3,141 6. where f the frequency in Hz; Ztmax. transfer impedance maximum acceptable. Zt(ohm/m) Frequency (MHz) Figure 3 Tran

26、sfer impedance curve prEN 4674-004:2012 (E) 8 For the EMI sleeve sizes 5 to 13 included, the maximum admissible 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 %

27、of the frequency according to X-axis. 5 Test methods The tests shall be carried out as shown in Table 5. For the number of samples to be tested and the test sequences, see EN 4674-001. Table 5 Test methods and details Test method Designation of the test Details EN 6059-201 Visual inspection Applicab

28、le EN 6059-202 Dimensions and mass Applicable EN 6059-203 Coverage Not applicable EN 6059-301 Sun light exposure Applicable (duration is 40 h) 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

29、retention of the tensile strength shall be 45 % minimum EN 3844-1b Flammability Applicable EN 6059-305 Fluid absorption Not applicable EN 6059-306 Mould growth Applicable EN 6059-308 Rapid change of temperature Applicable EN 6059-309 Fire resistance of protected bundle Not applicable EN 6059-401 Exp

30、ansion range Not applicable EN 6059-402 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 605

31、9-502 Resistance to electrical arcs Not applicable EN 6059-503 Temperature rise due to rated current Not applicable EN 6059-601 Open and close Applicable EN 2825 Smoke density Applicable EN 2826 Toxicity Applicable prEN 4674-004:2012 (E) 9 Table 5 Test methods and details (continued) Test method Tit

32、le Details EN 3475-301 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 manufactu

33、rer can be provided) 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

34、 for codes B, C EN 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.