1、March 2008DEUTSCHE NORM English price group 9No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 23.040.70!$LXk“1415372www
2、.din.deDDIN EN 560SupersedesDIN EN 560:2005-08www.beuth.deDocument comprises 14 pagesGas welding equipment Hose connections for equipment for welding, cutting and allied processes (includes Corrigendum AC:2007) English version of DIN EN 560:2008-03 Gasschweigerte Schlauchanschlsse fr Gerte und Anlag
3、en fr Schweien, Schneiden und verwandte Prozesse (enthlt Berichtigung AC:2007) Englische Fassung DIN EN 560:2008-03 DIN EN 560:2008-03 2 National foreword This standard has been prepared by Technical Committee CEN/TC 121 “Welding” (Secretariat: DIN, Germany), Subcommittee SC 7 “Equipment for gas wel
4、ding, cutting and allied processes”. The responsible German body involved in its preparation was the Normenausschuss Schweitechnik (Welding Standards Committee), Joint Committee NA 092-00-07 AA Gasschweigerte (DVS AG V 1). The European Standards referred to in clause 2 and in the Bibliography have b
5、een published as the corresponding DIN EN or DIN EN ISO Standards (except EN 29539 which corresponds to DIN ISO 9539). Dimensions of double hose nipples and double threaded unions are not specified in this standard, and are left to the manufacturers discretion. The following dimensions are therefore
6、 given for information. Double hose nipple Figure 1 Double hose nipple (notation) Table 1 Dimensions of double hose nipples d1d2d3d4d5d6l5Double threaded unions H11 h11 js15 js15 h14 js15 l2l3l4+0,3 l8l9mm mm mm mm mm mm mm mm mm mm mm mm mm 4 3,0 3,8 4,5 5,5 6,5 5,5 33,5 22,5 16,5 7,5 5 72 5 4,0 5,
7、5 6,2 7,2 8,2 6,7 33,5 22,5 16,5 7,5 5 72 6,3 4,9 6,4 7 8 9 7,5 33,5 22,5 16,5 7,5 5 72 8 6,9 8,5 9,5 10,5 11,5 10 33,5 22,5 16,5 7,5 5 72 9 7,9 9,5 10,5 11,5 12,5 11 33,5 22,5 16,5 7,5 5 72 10 8,8 10,5 11,5 12,5 13,5 12 33,5 22,5 16,5 7,5 5 72 11 9,8 11,5 12,5 13,5 14,5 13 33,5 22,5 16,5 7,5 5 72 1
8、2,5 10,8 12,5 14 15 16 14,5 35 24 18 9 5 75 16 13,6 16 17,5 18,5 19,5 18 35 24 18 9 5 75 20 17 20 21,5 23 24 22 43 31,5 21,5 10,5 8 92 25 22 25 26,5 28 29 27 55 38 28 14 8 118 DIN EN 560:2008-03 3 Figure 2 Double threaded unions (notation) Table 2 Dimensions of double threaded unions d13d12q1q2q3s J
9、ointing thread d10max. dk ah14 js min. min. l10h11 for non-combustible gases right-hand thread (RH) for combustible gases left-hand thread (LH) mm mm mm mm mm mm mm mm G 1/8 G 1/8 5 6,5 11 1,2 7,5 9,5 29 12 G 1/4 G 1/4 7 8,3 14 1,4 9,5 12 34 14 G 3/8 G 3/8 10 11,5 17 1,8 10,5 13,5 37 17 G 1/2 G 1/2
10、12 13,9 22 2 12 15,5 44 22 G 3/4 G 3/4 16 18,5 28 2,2 13,5 17 47 27 G 1 G 1 22 24 37 2,4 14,5 19 52 36 G 1 1/4 G 1 1/4 24 30,5 48 3,4 15,5 20,5 58 46 a Datum diameter (nominal diameter of contact). Amendments This standard differs from DIN EN 560:1994-11 as follows: a) The European Standard has been
11、 adopted in its entirety. b) Clause 5 has been revised. c) Figure 4 has been modified. Compared with DIN EN 560:2005-08, the following correction has been made: a) EN 560:2005/AC:2007 has been incorporated, see Figure 4. Previous editions DIN 1902: 1925-04 DIN 1903: 1925-04 DIN 1908: 1925-04 DIN 854
12、2: 1953-06, 1965-04, 1970-05, 1977-10, 1983-09 DIN EN 560: 1994-11, 2005-08 DIN EN 560:2008-03 4 National Annex NA (informative) Bibliography DIN ISO 9539, Materials for equipment used in gas welding, cutting and allied processes EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 560 June 2005 +AC
13、 October 2007 ICS 23.040.70; 25.160.30 Supersedes EN 560:2005English version Gas welding equipment Hose connections for equipment for welding, cutting and allied processes Materil de soudage aux gaz Raccords pour tuyaux souples pour appareils de soudage, coupage et techniques connexes Gasschweigerte
14、 Schlauchanschlsse fr Gerte und Anlagen fr Schweien, Schneiden und verwandte Prozesse EN 560:2005 was approved by CEN on 2005-05-04. Corrigendum AC:2007 became effective on 24 October 2007 for incorporation in the official German version of the EN. CEN members are bound to comply with the CEN/CENELE
15、C Internal 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 Management Centre or to any CEN m
16、ember. The European Standards exist 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 Management Centre has the same status as the official versions. CEN members
17、 are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Swi
18、tzerland, and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref.
19、No. EN 560:2005 + AC:2007 EContents Page 1 Scope .4 2 Normative references .4 3 General 4 4 Material 4 5 Dimensions5 Figures Figure 1 Hose connection 4 Figure 2 Threaded union 5 Figure 3 a With left-hand thread 6 Figure 3 b With right-hand thread. 6 Figure 3 Union nut 6 Figure 4 Hose nipple 7 Tables
20、 Table 1 Dimensions of threaded union. 5 Table 2 Dimensions of union nut 6 Table 3 Dimensions of the hose nipple 7 Table A.1 Dimensions of threaded unions . 8 Table A.2 Dimensions of union nut. 8 Table A.3 Dimensions of the hose nipple. 9 EN 560:2005 + AC:2007 (E)DIN EN 560:2008-032 Annex A (normati
21、ve) Special national conditions.8Foreword This document (EN 560:2005) has been prepared by Technical Committee CEN/TC 121 “Welding”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endo
22、rsement, at the latest by December 2005, and conflicting national standards shall be withdrawn at the latest by December 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Be
23、lgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 560:2005 + AC:2007 (E)DIN EN 560:200
24、8-033 1 Scope This European Standard lays down the dimensions and specifies the characteristics of the constituent parts of hose connections for welding, cutting and allied processes, for example for pressure regulators according to EN ISO 2503 and blowpipes. This European Standard does not cover th
25、e design of the part of the hose tail inserted into the hose. This is specified in EN 1256. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editi
26、on of the referenced document (including any amendments) applies. EN 29539, Materials for equipment used in gas welding, cutting and allied processes (ISO 9539:1988) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation (ISO
27、 228-1:2000) 3 General The gas pipe threads shall be in accordance with the requirements of EN ISO 228-1. All other dimensions are given in millimetres. The joint is made with a bull nose and cone seal (see Figure 1). Key 1 hose tail 2 union nut 3 threaded union Figure 1 Hose connection 4 Material T
28、he material shall conform to EN 29539. EN 560:2005 + AC:2007 (E)DIN EN 560:2008-034 5 Dimensions 5.1 General The dimensions of threaded union, union nut and hose tail shall be as specified in 5.2, 5.3 and 5.4. 5.2 Threaded union Key aalternative Figure 2 Threaded union Table 1 Dimensions of threaded
29、 union d1D aa1 bmin. b1Js15 d2max. mm mm mm mmG 1/8 6,5 7,5 1,2 5 G 1/4 8,3 9,5 1,4 7 G 3/8 11,5 10,5 1,8 10 G 1/2 13,9 12 2 12 G 3/4 18,5 13,5 2,2 16 G 1 24 14,5 2,4 22 aDatum diameter (nominal diameter of contact). bEffective length of thread. All values given in Table 1 are in millimetres except
30、those of the d1“ column, which are thread sizes as specified in EN ISO 228-1. Tolerances for external thread according to class A. The dimensions not given are left to the discretion of the manufacturer. Type of thread to be used: right-hand for oxygen and non-combustible gases; EN 560:2005 + AC:200
31、7 (E)DDIN EN 560:2008-035 left-hand for combustible gases. 5.3 Union nut Figure 3 a With left-hand thread Figure 3 b With right-hand thread Figure 3 Union nut Table 2 Dimensions of union nut d1 b2min. c1Js15 d3H12 d4h14 h h14 s h11 mm mm mm mm mm mm G 1/8 8 10 6,5 11 12 11 G 10 12,5 9,5 17 15,5 17 G
32、 3/8 10,5 13,5 12,5 19 16,5 19 G 13 16,5 14,5 24 20,5 24 G 15 18,5 19,5 30 22,5 30 G 1 17 21,5 25,5 41 26,5 41 All values given in Table 2 are in millimetres except those of the d1“ column, which are thread sizes as specified in EN ISO 228-1. The dimensions not given are left to the discretion of th
33、e manufacturer. Type of thread to be used: right-hand for oxygen and non-combustible gases; left-hand for combustible gases. EN 560:2005 + AC:2007 (E)DIN EN 560:2008-036 5.4 Hose nipple no sharp edges Key 1 see EN 1256 for examples of hose tail profiles Figure 4 Hose nipple Table 3 Dimensions of the
34、 hose nipple Internal diameter of hosead1a2h14 b3h14 c2min. Dbd5h12 d6h12 d8h12 e h14 R h14 mm mm mm mm mm mm mm mm mm mm 3,2 4 5 G 1/8 4,5 2 4 6,5 8 7 6 3 3,5 4 5 6,3 8 G 1/4 5 2,5 5 8,3 11 9 9 3,5 4,5 5 6,3 8 10 G 3/8 6 2,5 5 11,5 14,5 12,5 12 4 6,25 6,3 8 10 G 1/2 6 3,5 6 13,9 18 15 14 4,5 7,5 10
35、 12,5 16 G 3/4 8 3,5 6 18,5 23,5 20 19 5,25 10 16 20 G 1 10 4,5 7 24 29,75 26 25 6,5 13 aThese values are given as a guide. To every hose diameter correspond the appropriate dimensions of the part to be engaged in the hose. bDatum diameter (nominal of contact). All values given in Table 3 are in mil
36、limetres except those of the d1“ column, which are thread sizes as specified in EN ISO 228-1. The dimensions not given and the profile of the part to be engaged in the hose are left to the discretion of the manufacturer. See EN 1256 for examples of hose tail profiles. The diameter d7“ shall be as la
37、rge as possible to ensure maximum flow capacity. To ensure correct seating between the hose tail and the threaded union, the diameter d7“ shall not exceed d2“. EN 560:2005 + AC:2007 (E)DDIN EN 560:2008-03IN EN 560:2008-037 Annex A (normative) Special national conditions Special national condition: N
38、ational characteristic or practice that cannot be changed even over a long period, e.g. climatic conditions, electrical earthing conditions. If it affects harmonisation, it forms part of the European Standard or Harmonised Document. For countries in which the relevant special national conditions app
39、ly, these provisions are normative, for other countries, they are informative. Clause Special national condition FRANCE 3 Delete the two first sentences. 5.2 Change Table 1 by the following Table A.1: Table A.1 Dimensions of threaded unions d1D a a1 bmin. b1JS15 d2max. mm mm mm mm degree M 12 1 6,9
40、8 1,4 3,5 M 16 1,5 11,2 9 1,5 7 M 20 1,5 15,2 11 1 10 0560aDatum diameter (nominal diameter of contact). bEffective length of thread. 5.3 Change Table 2 by the following Table A.2: Table A.2 Dimensions of union nut d1b2min. c1Js15 d3H12 d4h14 h h14 s h11 mm mm mm mm mm mmM 12 1 7 9 8 14 11 14 M 16 1
41、,5 8 11 12 19 13 19 M 20 1,5 11 14 15 23 17 23 EN 560:2005 + AC:2007 (E)DIN EN 560:2008-038 Clause Special national condition 5.4 Change Table 3 by the following Table A.3: Table A.3 Dimensions of the hose nipple Internal diameter of hose aThread a2h14 b3h14 c2min. D bd5h12 d6h12 d8h12 e h14 R h14 m
42、m mm mm mm mm mm mm mm mm mm 6,3 M 12 1 4,5 2 5 6,9 10,5 8 8 3 4 6,3 10 M 16 1,5 4,5 2 5 11,2 14 13 12 3,2 6,5 10 12,5 M 20 1,5 5 3 5 15,2 18 17,2 15 2,5 8,8 aThese values are given as a guide. To every hose diameter correspond the appropriate dimensions of the part to be engaged in the hose. bDatum
43、 diameter (nominal diameter of contact). EN 560:2005 + AC:2007 (E)DDIN EN 560:2008-03IN EN 560:2008-039 Bibliography 1 EN 1256, Gas welding equipment Specification for hose assemblies for equipment for welding, cutting and allied processes 2 EN ISO 2503, Gas welding equipment Pressure regulators for gas cylinders used in welding, cutting and allied processes up to 300 bar (ISO 2503:1998) EN 560:2005 + AC:2007 (E)DIN EN 560:2008-0310
