ASD-STAN PREN 4674-003-2015 Aerospace series Electrical cables installation Self-wrapping shielding (EMI) protective sleeve Part 003 Open sleeve C Inside pressurized area C EMI pro.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4674-003 Edition P 2 September 2015 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 edition P 1 o

2、f June 2012 and will supersede EN 4674-003:2015 Descriptors: ENGLISH VERSION Aerospace series Electrical cables, installation Self-wrapping shielding (EMI) protective sleeve Part 003: Open sleeve Inside pressurized area EMI protection 5 kA Temperature range 65 C to 200 C Product standard Srie arospa

3、tiale Cbles lectriques, installation Gaine de protection blinde (EMI) auto-fermable Partie 003 : Gaine ouverte Usage interne Protection EMI 5 kA Temprature dutilisation 65 C 200 C Norme de produit Luft- und Raumfahrt Elektrische Leitungen, Installation Selbstschlieender abschirmender (EMI) Schutzsch

4、lauch Teil 003: Offener Schutzschlauch Innerhalb Druckkabine EMI Schutz 5 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 p

5、ublished 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 interchangeability is affected

6、, physically or functionally, without re-identification of the standard. 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 Europea

7、n 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. Edition approved for publication 1st September 2015 Comments should be sent within six month

8、s after the date of publication to ASD-STAN Electrical Domain Copyright 2015 by ASD-STAN prEN 4674-003:2015 (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 standa

9、rd 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. prEN 4674-003:2015 (E) 3 1 Scope This s

10、tandard specifies the characteristics of flexible 5 kA self-wrapping shielding (EMI) protection sleeves, to be installed inside pressurized areas on electrical cables or cable bundles, made from nickel plated copper strands and PPS (polyphenylene sulfide) monofilament. Temperature range: 65 C to 200

11、 C. 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 (including any a

12、mendments) 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, Aerospace series Bu

13、rning 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 EN 3475, Aeros

14、pace 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-wrapping shielding (E

15、MI) protective sleeve Part 001: Technical specification 2) EN 4674-002, Aerospace series Electrical cables, installation Self-wrapping shielding (EMI) protective sleeve Part 002: General and list of product standard 2) EN 6059, Aerospace series Electrical cables, installation Protection sleeves Test

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

17、lytetrafluoroethylene (PTFE) Granular Molding 4) 1) All its parts quoted in Table 5. 2) Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ 3) Published by: IEC International Electrotechnical Commission. http:/www.iec.ch/ 4) Published by: ASTM Natio

18、nal (US) American Society for Testing and Materials. http:/www.astm.org/ prEN 4674-003:2015 (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 manufactured from PPS (polyphe

19、nylene sulfide) 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. The minimum sleeve lengths shall be in accordance with EN 4674-001. Figure 1 Key 1 Warp 2 Weft Figure 2 prEN 4674-003:2

20、015 (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 45 08 5 to 8 48 13 8 to 13 58 16 13 to 16 60 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 Dimensi

21、ons 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 50 08 5 to 8 54 13 8 to 13 67 16 13 to 16 72 19 16 to 19 93 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 identif

22、ication 4.3.1 Colour, tracer line and sleeve identification See EN 4674-001. prEN 4674-003:2015 (E) 6 4.3.2 Internal protective tape The sleeve can be delivered with or without an internal protective tape which is in accordance with ASTM D4894 Type IV, Grade 2, see Table 3. Table 3 Internal protecti

23、ve tape code Tape code Supply condition P With internal protective tape W Without internal protective 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 l

24、ine. 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 cycles 05 6 08 5 13 5 16 5 19 5 25 5 32 5 38 5 45 5 Resistance measureme

25、nt shall be done at ambient T and after endurance testing. prEN 4674-003:2015 (E) 7 4.4.2 Transfer impedance requirement After endurance cycles the transfer impedance curve (see Figure 3) shall be below Zt max. between 10 kHz and 100 MHz: 2t2ot ) m a x .m a x . )(m a x . L(RZ with Ro max. see Table

26、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 4674-003:2015 (E) 8 For sleeve size 5, the maximum admissible tolerance above the transfer impedance curve is 3.6 dB between

27、10 kHz and 600 kHz for all other frequencies the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis. For sleeve sizes 8 to 13 included, the maximum admissible tolerance above the transfer impedance curve is 2.3 dB between 10 kHz and 6

28、00 kHz. For all other frequencies the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis. For all other sizes, the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis 5

29、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 (1 of 2) Test method Designation of the test Details EN 6059-201 Visual inspection Applicable EN 6059-202 Dimensions and m

30、ass Applicable EN 6059-203 Coverage Not applicable EN 6059-301 Sun 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

31、 The 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 EN6059-308 Rapid change of temperature Applicable TA 200 C and TB 65 C. EN 6059-309 Fire resistance of protected bundle Not

32、applicable EN 6059-401 Expansion 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

33、test Not applicable EN 6059-502 Resistance to electrical arcs Not applicable EN 6059-503 Temperature rise due to rated current Applicable EN 6059-601 Open and close Applicable prEN 4674-003:2015 (E) 9 Table 5 Test methods and details (2 of 2) Test method Designation of the test Details EN 2825 Smoke

34、 density Applicable EN 2826 Toxicity Applicable EN 3475-301 Ohmic resistance per unit length Applicable EN 3475-505 for metallic strands EN6059-404 for non-metallic strands Tensile test on conductors and strands Applicable during purchasing process EN 3475-506 Plating continuity Applicable (test rep

35、ort issued by raw material manufacturer 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

36、Applicable during purchasing process for codes B, C EN 3475-807 IEC 62153-4-3 Transfer impedance Applicable EN 2591-214 Lightning strike, current and voltage pulse Applicable : 5 kA waveform 1 EN 2591-307 Salt mist Applicable: 96 h 6 Designation EXAMPLE Description block SLEEVE, PROTECTION Identity block EN4674-003-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.