1、BRITISH STANDARD AEROSPACE SERIES O-rings, in fluorocarbon rubber (FKM), low compression set - Hardness 80 IRHD * * in The European Standard EN 30491998 has the status of a British Standard BS EN 3049: 1998 ICs 49.080 CEPT LAW - BS EN 3049:1998 . direction of the Engineering Amd.No. I Sector Board,
2、was published National foreword Date Text affected This British Standard is the English ianguage version of EN 3094: 1998. The UK participation in its preparation was entrusted by Technical Committee ACFY25, Rubber and elastomeric materials for aerospace purposes, to Subcommittee ACW124, Aerospace f
3、asteners - present to the responsible internationalEhropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related intemationai and European developments and promdgate them in the UK. A list of organizations represented on this s
4、ubcommittee can be obtained on request to its swretay. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index“, or
5、by using the “Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immu
6、nity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover. Standards Board id comes into effect on 15 August 1998 I I I O BSI 1998 ISBN O 680 30333 O EUROPEAN STANDARD NORME EURO
7、PENNE EUROPISCHE NORM EN 3049 May 1998 CS 49.080 Descriptors: aircraft industry, O-ring seal, rubber, fluorinated rubber, compression set, hardness, characteristic, dimension, designation, marking English version Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Hardnes
8、s 80 IRHD Srie arospatiale - Joints tonques, en lastomre fluorocarbone (FKM), faible dfotmation rmanente aprs compression - Duret 80 DIDC Luft- und Raumfahrt - O-Ringe, aus Fluorcarbon-Elastomer (FKM), mit niedrigem Druckverforrnungsrest - Hrte 80 IRHD This European Standard was approved by CEN on 2
9、3 February 1998. CEN members are bound to comply with the CENICENELEC Intemal Regulations which siipulate the conditions for g*Mng this European Standard the status of a national standard without any alteration. Up-to-date lists and bibiiographical references concerning such national standards may b
10、e obtained on application to the Central Secretariat or to any GEN member. This European Standard exists in three official versions (English, French, German). A version in any mer language made by translation under the responsibility of a CEN member into its own language and notified to the Central
11、Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Swberland and Unied Kingdom. * v)
12、 * EUROPEAN COhMTEB FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FOR NORMUNG Central Secretariat: Ne de Stassart, 36 b) Static applications minimum temperature of use: - 50 OC. Limitation: not to be used with phosphoric ester type hydraulic fluids (permanent or temporary
13、immersion). 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 t
14、o 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. IS0 1629 Rubber and latices - Nomenclature IS0 3601-1-1 988 Fluid systems - Sealing dev
15、ices - O-rings - Part 1 : Inside diameters, cross-sections, tolerances and size identification code EN 2751 Luft- und Raumfahrt - Lagerungsbedingungen fr Erzeugnisse aus Elastomeren - Anforderungen an die Lagerung, Reinigung und Wartung 1) Aerospace series - Fluorocarbon rubber (FPM) - Low compressi
16、on set - Hardness 80 IRHD 2) 3) EN 2798 EN 3050 Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Technical specification 3 Required characteristics 3.1 See figures 1, 2, 3, 4 and 5 and tables 1, 2, 3, 4 and 5. Dimensions and tolerances are in millimetres. Configuration
17、 - Dimensions - Tolerances - Masses 3.2 Material EN 2798 1) In preparation at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard 3) FPM, previous designation replaced by FKM, in conformity with IS0 1629 STD-BSI BS EN 3049-ENGL 1778
18、1624667 0735875 TBL dl Code nom. TOI. f Page 4 EN 3049:1998 Mass 1) dl Mass 1) dl Mass 1) Code nom. To1.f Code nom. To1.f - Figure 1 Table 1 Section diameter d2 = 1,8 I 0,08 Code A 0028 2,8 0031 3,15 0.13 0056 5,6 1) Mass m kg/l O00 pieces STD=BSI BS EN 3049-ENGL I998 1624669 0715876 91a Figure 2 Pa
19、ge 5 EN 3049: 1998 Table 2 1) Mass = kg/l QOO pieces _ STDDBSI BS EN 3049-ENGL 3998 H 3b24bb9 0735877 854 - Page 6 EN 3049:1998 Figure 3 Table 3 Section diameter d2 = 3,55 i 0.10 Code C dl Maas 1) dl Mass 1) Code nom. Toi. f Code nom. TOI. i n 0140 14,O 0,Ol 0375 37,5 2,37 0,32 0150 15.0 0,07 0387 3
20、8,7 2.44 0160 I 16,O I 0,19 I 0,13 I0400 I 40,O I 0,33 I 2,51 0170 17,O 0,19 0412 41,2 0,34 2,58 0180 18,O 0,24 0425 42,5 2,66 O190 19,0 1,30 0437 43.7 2,73 0200 20,o 1,36 0450 45,O 0,36 2,80 o, 20 0,21 1 0.35 0212 I 21,2 I 0,22 I 1,43 I 0462 I 46,2 I 0,37 I 2,87 0224 22,4 0.23 1,50 0475 47,5 2,94 0
21、236 23,6 1,57 0487 48,7 3,Ol 0250 25,O 1,65 0500 50,O 0,39 3,09 0,38 o,24 0258 I 25.8 I I 1.69 10515 I 51.5 I 0.40 1 3.18 0265 26,5 1,73 10530 53,O 0,41 3,26 0280 28,O 0,26 1,82 1 0545 543 3,35 0,42 0300 30.0 0,27 1.94 10560 56.0 3.43 0315 I 31.5 I 0.28 I 2.02 I 0580 I 58.0 I 0.44 I 3.55 0325 32,5 2
22、,08 0600 60,O 3,67 3,75 0335 33,5 2,14 0615 61,5 0.29 0345 343 0,30 2,19 0630 63,O 0,46 3.84 0355 35,5 2,25 0650 65,O 0,48 3.95 0,31 0365 36,5 2,31 0670 67,O 0.49 4,07 continued Code I nom. I Toi.* I 0750 75,O I 0,53 4,53 0775 77,5 I 0.55 4.68 .- 0850 85,O 0,59 0875 87,5 O, 60 5,25 0900 90.0 0.62 5.
23、40 0925 (92.5 I 0.63 I 5.54 0950 195,O 1 1 0975 97,5 1000 100,O 0.67 6,15 1030 103,O 0,69 1060 106,O 0,71 6,32 1090 109,O 0,72 6,49 1120 112,O 0,74 6,67 1150 115,O 0,76 6,84 1180 118,O 0,77 7,01 i 1220 122,O 0,80 7,24 STD-BSI BS EN 3049-ENGL 1998 1624667 0715878 790 = 4 Code nom. To1.i Page 7 EN 304
24、9: 1998 Mass 1) 4 Mass 1) Code nom. TOI.* Table 3 (concluded) 1320 1360 Section diameter 2 = 3.55 i. 0,lO Code C 132,O 0,85 7,82 1850 185,O 1,14 10.88 I 2650 265,O 1,57 1 15.49 136,O 0,87 &O5 1 1900 190,O 1,17 11,16 1 2800 280,O 1,65 I 16.36 1700 I 170,O I 1,06 Il0,Ol 1 2360 I 236,O I 1,42 I 13,82 1
25、 I I I 1) Mass = kg/l O00 pieces i 1250 I 125.0 0,81 )7,42 1 1750 I 175,O I 1,09 1 10,30 1 2500 I 250,O I 1,49 I 14,63 1280 1 128.0 I 0,83 h.59 i 1800 I 180,O I 1.11 I 10,59 2580 1 258,O I 1.54 I 15.07 1TD.BSI BS EN 3049-ENGL 1998 1624669 0715877 b27 Page 8 EN 3049:1998 Figure 4 Table 4 Section diam
26、eter d2 = 5,30 f 0,13 Code D I 1) Mass - kdl O00 pieces STD-BSI BS EN 3049-ENGL II998 M II624669 0735880 349 W 40,67 1 2720 41,78 2800 42.90 2900 Page 9 EN 3049: 1998 272,O 1,61 62,34 280,O 1,65 64,13 290.0 1.71 66.36 Figure 5 44,02 13000 45.14 1 3070 Table 5 300,O 1,76 68,60 307.0 1.80 70,16 Sectio
27、n diameter d2 = 7 Code E dl Mass 1) dl I I I I 46,25 1 3150 4739 1 3250 48,93 n 3350 rr 29.49 2000 200.0 315,O 1,84 71,95 325,O MO 74,18 335.0 1.95 76,42 II I. 30.1 6 1 2060 I 206,O 1 1,26 52,96 13650 54,30 1 3750 55,86 13870 31,06 H 2120 I 212,O I 1,29 31.95 1 2180 I 218.0 I 1,32 365,O 2,11 -83,12
28、375,O 2,16 85,36 387.0 2.23 88.04 I 1400 I 140.0 I 0.89 I 32.85 2240 I 224.0 1 1.35 57,42 14000 59,21 I I I- “ I 1450 1 145,O I 0,92 I 33,96 2300 I 230,O I 1,39 400,O 2,29 90,94 1500 I 150,O I 0,95 I 35,08 1 2360 I 236,O I 1,42 1550 I 155.0 I 0.98 I 36.20 i 2430 I 243.0 I 1.46 , I 1600 I 160.0 I 1.0
29、0 I 37.31 1 2500 I 250.0 I 1.49 I “ 1. 1650 1 165.0 I 1.03 I 38,43 1 2580 I 258,O I 1,54 I 1700 I 170,O I 1,06 I 39,55 II 2650 I 265,O 1 1,57 I 1 O0 i 0,15 1 Code I nom. I To1.f I 50.27 ! 3450 I 345.0 I 2.00 I 78.65 I 51.62 I 3550 I 355.0 1 2.06 1 80.89 I L ,- .I . 1 60,78 1 I I 1 1 1) Mass = kg/l O
30、00 pieces I Page 10 EN 3049: 1998 4 Storage EN 2751 5 Designation EXAMPLE: Description block 1 Identity block O-RING 75 - Number of this standard Section diameter code (see tables 1 to 5) Diameter code (see tables 1 to 5) NOTE: If necessary the code 19005 shall be placed between the description bloc
31、k and the identity block. 6 Marking / Packaging EN 3050 7 Technical specification EN 3050 BS EN 3049: 1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standar
32、ds in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of
33、 our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel 0181 996 9000. Fax: 0181 996 7400. BSI
34、offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for al BSI, international and foreign standards publications should be addressed to Customer Services. Tel 0181 996 7000. Fax: 0181
35、 996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of infomation on national, European and international
36、 standards through its Library and its Technical Help to Exporters Service. h-ious BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: O181 996 7111. Fax: 0181 996 7048. Subscribing members of BSI are kept u
37、p to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Admiitration. Tel 0181 996 7002. Fax: O181 996 7001. Copyright Copyright subsists in al BSI publications. BSI alCo holds the copyrigh
38、t, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means - electronic, photocopying, recording or otherwis
39、e - without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary detailc such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the tem may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel O181 996 7070.
