BS EN 14420-8-2004 Hose fittings with clamp units.pdf
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1、BRITISH STANDARD BS EN 14420-8:2004 Hose fittings with clamp units Part 8: Symmetrical half coupling (Guillemin system) The European Standard EN 14420-8:2004 has the status of a British Standard ICS 23.040.70 ? Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sun Aug 26 15:5
2、9:04 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 14420-8:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 October 2005 BSI 3 October 2005 ISBN 0 580 46629 9 National foreword This British Standard is the official English language v
3、ersion of EN 14420-8:2004. The UK participation in its preparation was entrusted to Technical Committee PRI/66, Rubber and plastics tubing, hoses and hose assemblies, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. C
4、ross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or
5、of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text;
6、 present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an
7、 inside front cover, the EN title page, pages 2 to 15 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: Institute Of Technology Tallaght, Institute of Technology,
8、 Sun Aug 26 15:59:04 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 w w w .b z f x w .c o m 免费下载 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14420-8 November 2004 ICS 23.040.70 English version Hose fittings with clamp units - Part 8: Symmetrical half coupling (Guillemin system) Raccords p
9、our flexibles avec demi-coquille - Partie 8 : Demi raccords symtriques (systme Guillemin) Schlaucharmaturen mit Klemmfassungen - Teil 8: Symmetrische Kupplungen (System Guillemin) This European Standard was approved by CEN on 30 September 2004. CEN members are bound to comply with the CEN/CENELEC In
10、ternal 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 mem
11、ber. 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 member
12、s are the national standards bodies of Austria, Belgium, 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 Unite
13、d Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14420-8:2004
14、: E Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sun Aug 26 15:59:04 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 14420-8:2004 (E) 2 Contents page Foreword3 1 Scope 4 2 Normative references4 3 Requirements.4 3.1 Pressures4 3.2 Temperatures.5 4 Components.5 5 Dimensions.
15、6 6 Types of connections8 7 Designation 9 8 Materials .9 8.1 General9 8.2 Coupling components.9 9 Marking.10 10 Type approval testing and quality control 10 Annex A (normative) Gauge for symmetrical half couplings (Guillemin system) .11 Bibliography15 Licensed Copy: Institute Of Technology Tallaght,
16、 Institute of Technology, Sun Aug 26 15:59:04 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 w w w .b z f x w .c o m 免费下载 EN 14420-8:2004 (E) 3 Foreword This document (EN 14420-8:2004) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hoses and hose assemblies”, the secretar
17、iat of which is held by BSI. 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 May 2005, and conflicting national standards shall be withdrawn at the latest by May 2005. EN 14420 consists at the tim
18、e of publication of the following parts: EN 14420-1, Hose fittings with clamp units Part 1: Requirements, survey, designation and testing EN 14420-2, Hose fittings with clamp units Part 2: Hose side parts of hose tail EN 14420-3, Hose fittings with clamp units Part 3: Clamp units, bolted or pinned E
19、N 14420-4, Hose fittings with clamp units Part 4: Flange connections EN 14420-5, Hose fittings with clamp units Part 5: Threaded connections EN 14420-6, Hose fittings with clamp units Part 6: TW tank truck couplings EN 14420-7, Hose fittings with clamp units Part 7: Cam locking couplings EN 14420-8,
20、 Hose fittings with clamp units Part 8: Symmetrical half coupling (Guillemin system) According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Den- mark,
21、Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem- bourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sun
22、 Aug 26 15:59:04 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 14420-8:2004 (E) 4 1 Scope This document applies to hose fittings with symmetrical half couplings (Guillemin system), with mobile locking ring, for hose assemblies with a maximum working pressure of up to 25 bar, with hose tails accordin
23、g to EN 14420-2 and clamp units according to EN 14420-3. Couplings in accordance with this document serve as link between hoses and connections to transport liquids, solids (e.g. powders, granules) except steam and liquid gas. It specifies dimensions, types of connections, quality of materials, mark
24、ing requirements and testing requirements. The working temperature range is 20 C up to + 65 C. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer- ences, only the edition cited applies. For undated references, the latest
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