1、BSI Standards PublicationBS EN 4549:2014Aerospace series Pipecoupling, in heat resisting steelor in heat resisting nickel alloy Coupling end, welded Design configuration InchseriesBS EN 4549:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4549:2014. Itsuper
2、sedes BS EN 4549:2003 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/69, Aerospace hydraulic systems, fluids andcomponents.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not pu
3、rport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84530 7ICS 49.080Compliance with a British Standard cannot confer immunity fromlegal obligations.
4、This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2014.Amendments issued since publicationDate Text affectedBS EN 4549:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4549 April 2014 ICS 49.080 Supersedes EN 4549:2003English Vers
5、ion Aerospace series - Pipe coupling, in heat resisting steel or in heat resisting nickel alloy - Coupling end, welded - Design configuration - Inch series Srie arospatiale - Systme de raccordement, en acier rsistant chaud ou en alliage de nickel rsistant chaud -Extrmits souder - Configuration gomtr
6、ique - Srie inch Luft- und Raumfahrt - Rohrverschraubung, aus hochwarmfestem Stahl oder aus hochwarmfester Nickellegierung - Anschweizapfen - Konstruktionsblatt - Inch-Reihe This European Standard was approved by CEN on 27 December 2013. CEN members are bound to comply with the CEN/CENELEC Internal
7、Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
8、member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official version
9、s. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Pol
10、and, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation
11、 in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4549:2014 EBS EN 4549:2014EN 4549:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Dimensions Tolerances .6 4 Designation 8 Annex A (informative) Standard evolution form 9 B
12、S EN 4549:2014EN 4549:2014 (E) 3 Foreword This document (EN 4549:2014) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the
13、approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2014, and
14、conflicting national standards shall be withdrawn at the latest by October 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This
15、document supersedes EN 4549:2003. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav
16、Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4549:2014EN 4549:2014 (E) 4 Introduction The fo
17、llowing dimensions and tolerances have been used on couplings, 37, spherical, in FE-PA3601 (X6CrNiTi18) or in FE-CM3901 (X10CrNiNb18) material, welded on pipe in FE-PA3601 (X6CrNiTi18) material, or on couplings in NI-PH3601 (NiCr22MoNb) material, welded on pipe in NI-PH3601 (NiCr22MoNb) material, fo
18、r aerospace applications with nominal pressure of class D in accordance with ISO 6771. They have to be confirmed for other materials or applications. BS EN 4549:2014EN 4549:2014 (E) 5 1 Scope This European Standard defines the dimensions and tolerances for the weld end of fluid system components mat
19、ing with pipe. Both shall be: from inch series; of the same dimensional code; made of corrosion resistant steel or nickel alloy. 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 refer
20、ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 6771, Aerospace Fluid systems and components Pressure and temperature classifications BS EN 4549:2014EN 4549:2014 (E) 6 3 Dimensions Tolerances See Fig
21、ures 1 and 2 and Table 1. Dimensions and tolerances are in millimetres. Key 1 External conical part (if any on product standard) Key 1 Internal conical part (if any on product standard) 2 (internal diameter of the fitting) 3 See Figure 1 Figure 1 Figure 2 BS EN 4549:2014EN 4549:2014 (E) 7 Table 1 A
22、E F G H J Dimensional code aNominal diameter Wall thickness of tube 0 0,1 + 0,1 0 0 0,05 + 0,1 0 + 0,1 0 + 0,05 0 A003 4,763 0,711 3,36 4,85 0,35 1,40 4,93 0,70 B003 0,889 2,96 A004 6,350 0,711 4,95 6,35 06,45 B004 0,889 4,55 A005 7,924 0,711 6,52 7,95 8,02 B005 0,889 6,12 A006 9,525 0,711 8,12 9,55
23、 9,62 B006 0,889 7,72 A008 12,700 0,711 011,30 12,70 0,50 1,60 12,80 0,80 B008 0,889 010,90 A010 15,875 0,711 014,48 15,90 15,98 B010 0,889 014,08 A012 19,050 0,711 017,65 19,05 1,80 19,15 0,90 B012 0,889 017,25 A016 25,400 0,711 024,00 25,40 2,20 25,50 1,10 B016 0,889 023,60 A020 31,750 0,711 030,3
24、5 31,75 2,40 31,85 1,20 B020 0,889 029,95 A024 38,100 0,711 036,70 38,10 38,20 B024 0,889 036,30 A028 44,450 0,711 043,05 44,45 44,55 B028 0,889 042,65 A032 50,800 0,711 049,40 50,80 50,90 B032 0,889 049,00 A036 57,150 0,711 055,75 57,15 57,25 B036 0,889 055,35 A040 63,500 0,711 062,10 63,50 63,60 B
25、040 0,889 061,70 A044 69,850 0,711 068,45 69,80 69,90 B044 0,889 068,05 A048 76,200 0,711 074,80 76,20 76,30 B048 0,889 074,40 A052 82,550 0,711 081,15 82,55 82,65 B052 0,889 080,75 A056 88,900 0,711 087,50 88,90 89,00 B056 0,889 087,10 A064 101,600 0,711 100,20 101,60 101,70 B064 0,889 099,80 A072
26、114,300 0,711 112,90 114,30 114,40 B072 0,889 112,50 A080 127,000 0,711 125,60 127,00 127,10 B080 0,889 125,20 A088 139,700 0,711 138,30 139,70 139,80 B088 0,889 137,90 A096 152,400 0,711 151,00 152,40 152,50 B096 0,889 150,60 A104 165,100 0,711 163,70 165,10 165,20 B104 0,889 163,30 A112 177,800 0,
27、711 176,40 177,80 177,90 B112 0,889 176,00 A120 190,500 0,711 189,10 190,50 190,60 B120 0,889 188,70 aThis code corresponds to: tube wall thickness (A: 0,711 mm; B: 0,889 mm); nominal diameter given in 16thof inches within three digits. BS EN 4549:2014EN 4549:2014 (E) 8 4 Designation EXAMPLE BS EN 4
28、549:2014EN 4549:2014 (E) 9 Annex A (informative) Standard evolution form MODIFICATION REASON AND VALIDATION Figure 2 page 4 Before: No definition, no dimension for the welded end area. After: Added nota “see Figure 1” for the definition of the welded end. Dimensions of welded end area are the same f
29、or both cases (Internal configuration with straight hole or with conical area). Table 1 (dimensions) Before: Dimension H (internal diameter of welded end) was 4,86 for A003 and B003. After: Dimension H is 4,93 for A003 and B003. Accordance with standard DT45-01. This page deliberately left blankThis
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