www bzfxw com BRITISH STANDARD BS EN 560 1995 Gas welding equipment — Hose connections for welding, cutting and allied processes The European Standard EN 560 1994 has the status of a British Standard[.]
Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BRITISH STANDARD Gas welding equipment — Hose connections for welding, cutting and allied processes The European Standard EN 560:1994 has the status of a British Standard UDC 621.643.418/419:621.643.3.02:621.791 BS EN 560:1995 BS EN 560:1995 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee WEE/18, Gas welding and cutting appliances, upon which the following bodies were represented: British Compressed Gases Association British Railways Board Consumer Policy Committee of BSI Department of Trade and Industry (Consumer Safety Unit, CA Division) Health and Safety Executive LP Gas Association Railway Industry Association South Bank University Welding Manufacturers’ Association (BEAMA Ltd.) This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1995 © BSI 12-1998 The following BSI references relate to the work on this standard: Committee reference WEE/18 Draft for comment 91/82472 DC ISBN 580 24221 Amendments issued since publication Amd No Date Comments BS EN 560:1995 Contents Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Committees responsible National foreword Foreword Text of EN 560 List of References © BSI 12-1998 Page Inside front cover ii Inside back cover i BS EN 560:1995 National foreword Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard has been prepared under the direction of the Engineering Sector Board and is the English language version of EN 560 Gas welding equipment — Hose connections for equipment for welding, cutting and allied processes It partially supersedes BS 1389:1986 which will be withdrawn on publication of BS EN 1256 EN 560 was produced as a result of international discussion in which the UK took an active part Cross-references Publication referred to Corresponding British Standard EN 29539:1992 BS EN 29539:1992 Specification for materials for equipment used in gas welding, cutting and allied processes ISO 228-1:1982 BS 5380:1984 Specification for hydraulic port and stud coupling using “O”-ring sealing and “G” series fastening threads 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 immunity from legal obligations Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages to 6, an inside back cover and a back cover This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover ii © BSI 12-1998 EUROPEAN STANDARD EN 560 NORME EUROPÉENNE Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPÄISCHE NORM September 1994 UDC 621.643.418/419:621.643.3.02:621.791 Descriptors: Welding equipment, welding, cutting, hoses, pipe fittings, dimensions, coupling nipples, pipe sockets, nuts, fasteners Gas welding equipment — Hose connections for equipment for welding, cutting and allied processes Matériel de soudage aux gaz — Raccords pour tuyaux souples pour appareils de soudage, coupage et techniques connexes Gasschweißgeräte Schlauchanschlüsse für Geräte und Anlagen für Schweißen, Schneiden und Verwandte Verfahren ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ This European Standard was approved by CEN on 1994-09-06 CEN members are bound to comply with the CEN/CENELEC 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 Central Secretariat or to any CEN 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 Central Secretariat has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels © 1994 Copyright reserved to CEN members Ref No EN 560:1994 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 560:1994 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 121, Welding, of which the secretariat is held by DS It is based on ISO 3253:1975, Hose connections for equipment for welding, cutting and related processes CEN/TC 121 decided to submit the final draft for formal vote by its resolution 183/1993 The result was positive This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, a the latest by March 1995, and conflicting national standards shall be withdrawn at the latest by March 1995 According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom Contents Foreword Scope Normative references General Material Dimensions 5.1 General 5.2 Threaded union 5.3 Union nut 5.4 Hose sleeve Annex A (normative) Special national conditions Figure — Hose connection Figure — Threaded union Figure — Union nut Figure — Hose sleeve Table — Dimensions of threaded union Table — Dimensions of union nut Table — Dimensions of hose sleeve Page 3 3 3 4 3 5 ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 560:1994 Scope Material This 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 585 and blowpipes The material shall conform to EN 29539 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 to 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 EN 585, Gas welding equipment — Pressure regulators for gas cylinders used in welding, cutting and allied processes up to 200 bar EN 29539, Materials for equipment used in gas welding, cutting and allied processes ISO 228-1:1982, Pipe threads where pressure-tight joints are not made on the threads — Part 1: Designation, dimensions and tolerances General Dimensions 5.1 General The dimensions of threaded union, union nut and hose sleeve shall be as specified in 5.2, 5.3 and 5.4 5.2 Threaded union ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ The gas pipe threads shall be in accordance with the requirements of ISO 228-1 All other dimensions are given in millimetres The joint is made with a bull nose and cone seal (see Figure 1) Figure — Threaded union Table — Dimensions of threaded union d1 D a a1 b b1 d2 Js15 max G 1/8 6,5 7,5 1,2 G 1/4 8,3 9,5 1,4 G 3/8 11,5 10,5 1,8 10 G 1/2 13,9 12 12 G 3/4 18,5 13,5 2,2 16 G 24 14,5 2,4 22 a Datum diameter (nominal diameter of contact) b Effective length of thread Figure — Hose connection © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 560:1994 All values are given in millimetres except those of the d1 column, which are thread references as specified in 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; — left-hand for combustible gases 5.3 Union nut Table — Dimensions of union nut d1 b2 c1 d3 d4 h s Js15 H12 h14 h14 h11 G 1/8 10 6,5 11 12 11 G 1/4 10 12,5 9,5 17 15,5 17 G 3/8 10,5 13,5 12,5 19 16,5 19 G 1/2 13 16,5 14,5 24 20,5 24 G 3/4 15 18,5 19,5 30 22,5 30 G 17 21,5 25,5 41 26,5 41 All values are given in millimetres except those of the d1 column, which are thread references as specified in ISO 228-1 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; — left-hand for combustible gases 5.4 Hose sleeve ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ All values are given in millimetres except those which are thread specified in 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 The diameter d7 shall be as large as possible to ensure maximum flow capacity To ensure correct seating between the hose sleeve and the threaded union, the diameter d7 shall not exceed d2 As the profile of the hose sleeve is left to the manufacturer’s discretion, the wall between the bore and the smallest diameter of the profile shall have adequate strength However, the profile and the dimensions should be chosen so as to permit the burst pressure of the hose to be reached when the hose is fixed by a suitable clamp Figure — Union nut © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 560:1994 Figure — Hose sleeve Table — Dimensions of hose sleeve Internal diameter of a hose 3,2 b3 h14 a2 h14 Thread c2 D b d5 h12 d6 h12 d8 h12 e h14 R h14 G 1/8 4,5 6,5 3,5 G 1/4 2,5 8,3 11 9 3,5 4,5 G 3/8 2,5 11,5 14,5 12,5 12 6,25 G 1/2 3,5 13,9 18 15 14 4,5 7,5 G 3/4 3,5 18,5 23,5 20 19 5,25 10 10 4,5 24 29,75 26 25 6,5 13 5 6,3 ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ 6,3 10 6,3 10 10 12,5 16 16 G 20 a These values are given as a guide To every hose diameter correspond the appropriate dimensions of the part to be engaged in the hose b Datum diameter (nominal diameter of contact) © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 560:1994 Annex A (normative) Special national conditions For countries in which the relevant special national conditions apply, these provisions are normative, for other countries, they are informative Special national condition: National characteristic or practice that cannot be changed even over a long Clause Special national condition period, e.g climatic conditions, electrical earthing France conditions If it affects harmonization, it forms part Delete the two first sentences of the European Standard or Harmonized 5.2 Change Table to the following Table Document Table — Dimensions of threaded unions a D mm d1 M12 × b a1 mm α degree d2 max mm b1 Js15 mm 6,9 1,4 3,5 M16 × 1,5 11,2 1,5 M20 × 1,5 15,2 11 60 –5 10 a Datum diameter (nominal diameter of contact) b Effective length of thread 5.3 Change Table to the following Table Table — Dimensions of union nut d1 b2 mm c1 Js15 mm ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ d3 H12 mm d4 h14 mm h h14 mm s h11 mm M12 × 14 11 14 M16 × 1,5 11 12 19 13 19 M20 × 1,5 11 14 15 23 17 23 5.4 Change Table to the following Table 3: Table — Dimensions of hose sleeve Internal diameter of hosea a2 h14 mm Thread b3 h14 mm c2 mm b D mm d5 h12 mm 10,5 d6 h12 mm d8 h12 mm 8 6,3 M 12 × 4,5 6,9 6,3 M 16 × 1,5 4,5 11,2 14 13 M 20 × 1,5 5 15,2 18 17,2 e h14 mm R h14 mm 12 3,2 6,5 15 2,5 8,8 10 10 12,5 a These values are given as a guide To every hose diameter correspond the appropriate dimensions of the part to be engaged in the hose b Datum diameter (nominal diameter of contact) © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 560:1995 List of references See national foreword © BSI 12-1998 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:02:41 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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