BS EN 464-1994 Protective clothing - Protection against liquid and gaseous chemicals including liquid aerosols and solid particles - Test method - Determination of leak-tightness o.pdf
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1、BRITISH STANDARD BS EN 464:1994 Incorporating Amendment No. 1 Protective clothing Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles Test method: Determination of leak-tightness of gas-tight suits (Internal Pressure Test) The European Standard EN 464:1994
2、has the status of a British Standard UDC 614.895.5:687.174:614.878:620.165.29BSEN464:1994 This British Standard, having been prepared under the directionof the Personal SafetyEquipment Standards Policy Committee, was publishedunder the authority ofthe Standards Board and comesinto effect on 15 Octob
3、er 1994 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference PSM/36 Draft for comment 91/39590 DC ISBN 0 580 22378 7 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, c
4、omprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standard Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Nor
5、mung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norge
6、s Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd
7、. No. Date Comments 8619 May 1995 Indicated by a sideline in the marginBSEN464:1994 BSI 10-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Introduction 3 1 Scope 3 2 Definitions 3 3 Principle 3 4 Test apparatus 3 5 Procedure 3 6 Test report 4 Nationa
8、l annex NA (informative) Committees responsible Inside back coverBSEN464:1994 ii BSI 10-1999 National foreword This British Standard has been prepared under the direction of the Personal Safety Equipment Standards Policy Committee and is the English language version of EN464:1994 Protective clothing
9、 Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles Testmethod:Determination of leak-tightness of gas-tight suits (Internal Pressure Test) published by the European Committee for Standardization (CEN). EN 464 was produced as a result of international discu
10、ssions in which the UnitedKingdom took an active part. 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
11、 obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, the EN title page, pages2to4, 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
12、amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 464 June 1994 UDC 614.895.5:687.174:614.878:620.165.29 Descriptors: Personal protective equipment, protective clothing, gas permeability, gas permeability tests, leak detection English version Protective c
13、lothing Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles Test method: Determination of leak-tightness of gas-tight suits (Internal Pressure Test) Vtements de protection Protection contre les produits chimiques liquides et gazeux, y compris les arosols li
14、quides et les particules solides Mthode dessai: Dtermination de ltanchit des combinaisons tanches au gaz (essai de pression interne) Schutzkleidung Schutz gegen flssige und gasfrmige Chemikalien, einschlielich Flssigkeitsaerosole und feste Partikel Prfverfahren: Bestimmung der Leckdichtigkeit von ga
15、sdichten Anzgen (Innendruckprfverfahren) This European Standard was approved by CEN on 1994-06-20. 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-t
16、o-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
17、 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, Netherlan
18、ds, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1994 Copyright reserved to CEN members Ref. No. EN 464:1994 EEN464:19
19、94 BSI 10-1999 2 Foreword This European Standard has been prepared by the Technical Committee CEN/TC162, Protective clothing including hand and arm protection and lifejackets, of which the secretariat is held by DIN. This European Standard has been prepared under a mandate given to CEN by the Europe
20、an Commission and the European Free Trade Association, and supports essential requirements of EC Directive(s). 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 December1994, and conflicting nationa
21、l standards shall be withdrawn at the latest by December1994. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portu
22、gal, Spain, Sweden, Switzerland and UnitedKingdom.EN464:1994 BSI 10-1999 3 Introduction Gas-tight chemical protective clothing is worn in conjunction with appropriate respiratory protective devices, in order to isolate the body of the wearer from the environment. Although the danger to the wearer ar
23、ises from leakage in an inward direction, this test method assesses the outward leakage of air after the gas-tight suit has been inflated so as to stretch the material of construction, thereby enabling the test method to be capable of detecting very small imperfections, e.g. holes, splits or tears.
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