EN 464-1994 en Protective Clothing - Protection Against Liquid and Gaseous Chemicals Including Liquid Aerosols and Solid Particles - Test Method Determination of Leak-Tightness of .pdf
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1、CEN *EN*4b4 94 340Y589 0096501 167 m BRITISH STANDARD Protective clothing - BS EN 464: 1994 I Protection against liquid and gaseous chemicals, Test method. Determination of leak-tightmss of gastight suits (Intemal Pressure Test) The European Standard EN 464 : 1994 has the status of a British Standar
2、d UDC 614.895.5 : 687.174 : 614.878 : 620.165.29 CEN *EN*464 94 3404589 O096502 OT3 D BS EN 464 : 1994 Standards Board and comes into effect on 15 October 1994 Amd. No. Cooperating organizations Date The European Committee for Standardization (CEN), under whose supervision this European Standard was
3、 prepared, comprises the national standards organizations of the following countries: Austria Belgium Denmark Finland France Germany Greece Iceland Lreland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland United Kingdom Oesterreichisches Normungsinstitut Institut belge de normal
4、isation Dansk Standard Suomen Standardisoimisliito , r. y. Association franaise de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization Technological Institute of Iceland National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection
5、du Travail et des Mines Nederlands Normaiisatie-instituut Norges Standardiseringsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Standardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institution 0 BSI 1994 The following
6、BSI references relate to the work on this standard: Committee reference PSM/36 Draft for comment 91/39590 DC ISBN O 580 22378 7 CEN *EN+464 94 = 3404589 009b503 T3T BS EN 464 : 1994 Contents page Cooperating organizations Inside front cover National foreword i Foreword 2 Method Introduction 3 1 scop
7、e 3 2 Definitions 3 3 Principle 3 4 Test apparatus 4 5 Procedure 4 6 Test report 4 National annex NA (informative) Committees responsible Inside back cover National foreword This British Standard has been prepared under the direction of the Personal Safety Equipment Standards Policy Committee and is
8、 the English language version of EN 464 : 1994 protective othing - protection agajnst iiquid and gaseous A chemicals, including liquid and =lid partidies - Test method: kk-on of leakaghess of gas-hp suits (Intemal pressure Test) published by the uropean Committee for Standardization (CEN. EN 464 was
9、 produced as a result of international discussions in which the United Kingdom took an active part. Compliance with a British Standard does not of itself confer immunity from legal obligations. i CEN *EN*4b4 94 E 3404589 0096504 976 EUROPEAN STANDARD EN 464 NORME EUROPENNE EUROPISCHE NORM June 1994
10、UM: 614.895.5 : 687.174 : 614.878 : 620.165.29 Dexriptors: Personal protective equipment, protective clothing, gas permeability, gas permeability tests, leak detection English version protective clothing - protection against liquid including liquid aerosols and gaseous chemicals, and solid particles
11、 - Test method: Determination of leak-tightnes of gastight suits (Internal pressure Test) Vtements de protection - Protection contre les produits chimiques liquides et gazeux, y compris les arosols liquides et les particules solides - Mthode dessai: Dtermination de ltanchit des combinaisons Schutzkl
12、eidung - Schutz gegen flssige und gasfrmige Chemikalien, einschlie3lich Fssigkeitsaerosole und feste Partikel - prufverfahren: Bestimmung der Leckdichtigkeit von 1 tanches au gaz (essai de pression interne) gasdichten Anzgen (Jnnendruckprfverfidmn) MW This European Standard was approved by CEIj on 1
13、994-06-20. CEN members are bound to comply with the CENXENELEC Internal Regulations which stipulate the conditions for giving this European Standard thdstatus of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obta
14、ined on application to the Central Secretariat or to any CEN member. This European Standard exists in three officiai 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 Secr
15、etariat 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 Committe
16、e for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1994 Copyright reserved to CEN members Ref. No. EN 464 : 1994 E CEN +EN+464 94 M 3404589 0096505 802 M Foreword This European Standard has been prepared by t
17、he %chnical Committee CEN/TC 162, Protective clothing including hand and arm protection and fifejackets, of which the secretariat is held by DIN. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports ess
18、ential 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 December 1994, and conflicting national standards shall be withdrawn at the latest by December 1994. Accordi
19、ng to the Common CENXENELEC Rules, 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 and United Kingdom. CEN *EN*4b4 94 E 3
20、404589 O096506 749 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 arises from leakage in an inward direction, this test meth
21、od 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. 1 Scope This European Standard describes a test method t
22、o assess the resistance of a gas-tight suit to the penetration of gases through, for example, essential openings, fastenings, seams, overlaps between items, pores and any imperfections in the materials of construction. 2 Definitions For the purposes of this standard the following definitions apply.
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