prEN 13794

SLOVENSKI STANDARD
01-oktober-2014
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Respiratory protective devices - Self-contained closed-circuit devices for escape -
Requirements, testing and marking
Atemschutzgeräte - Isoliergeräte für Selbstrettung - Anforderungen, Prüfung,
Kennzeichnung
Appareils de protection respiratoire - Appareils de protection respiratoire isolants
autonomes à circuit fermé pour l'évacuation - Exigences, essais, marquage
Ta slovenski standard je istoveten z: prEN 13794 rev
ICS:
13.340.30 Varovalne dihalne naprave Respiratory protective
devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
DRAFT
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2014
ICS 13.340.30 Will supersede EN 13794:2002
English Version
Respiratory protective devices - Self-contained closed-circuit
devices for escape - Requirements, testing and marking
Appareils de protection respiratoire - Appareils de Atemschutzgeräte - Isoliergeräte für Selbstrettung -
protection respiratoire isolants autonomes à circuit fermé Anforderungen, Prüfung, Kennzeichnung
pour l'évacuation - Exigences, essais, marquage
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 79.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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 CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13794 rev:2014 E
worldwide for CEN national Members.

Contents
Page
Foreword .5
1 Scope .6
2 Normative references .6
3 Terms and definitions .6
4 Description .7
5 Classification .7
5.1 General .7
5.2 Types of oxygen escape devices .7
5.3 Classes of oxygen escape devices .7
6 Requirements .7
6.1 General .7
6.2 Design .8
6.3 Materials .8
6.4 Cleaning and disinfecting .9
6.5 Mass . 10
6.6 Connections (couplings) . 10
6.7 Harness . 10
6.8 Handling . 10
6.9 Leaktightness . 10
6.10 Facepiece [Respiratory Interface (RI)] . 10
6.11 Goggles . 11
6.12 Inhalation and exhalation valves . 11
6.13 Relief valve, if fitted . 12
6.13.1 General . 12
6.13.2 Opening pressure . 12
6.13.3 Tensile force . 12
6.14 Breathing bag . 12
6.15 Flexible hose(s), if fitted . 12
6.16 Mechanical strength . 12
6.17 Resistance to temperature . 13
6.17.1 Pre-conditioning . 13
6.17.2 Performance . 13
6.18 Flammability . 13
6.19 Performance . 13
6.19.1 Rated working duration . 13
6.19.2 Oxygen content . 14
6.19.3 Carbon dioxide content . 14
6.19.4 Temperature and humidity . 14
6.19.5 Breathing resistance . 14
6.20 Surface temperature . 15
6.21 Practical performance . 15
6.22 Specific requirements for escape device C type . 15
6.23 Specific requirements for escape device D type . 15
6.23.1 Protection against particulate matter . 15
6.23.2 High and medium pressure parts. 15
6.23.3 High, medium and low pressure connections . 16
6.23.4 Gas cylinders . 16
6.23.5 Gas cylinder seal . 16
6.23.6 Gas cylinder seal connection . 16
6.23.7 Pressure reducer . 16
6.23.8 Pressure indicator . 16
6.23.9 Oxygen supply . 17
6.24 Specific requirements for escape device K type . 17
6.24.1 Leaktightness . 17
6.24.2 Oxygen supply . 17
7 Testing . 17
7.1 General . 17
7.2 Nominal values and tolerances . 18
7.3 Visual inspection . 18
7.4 Leaktightness . 18
7.4.1 Leaktightness of the carrying container . 18
7.4.2 Leaktightness of the ready-for-use device . 18
7.5 Mechanical strength . 18
7.5.1 Shock . 18
7.5.2 Vibration . 18
7.6 Opening pressure of the relief valve . 19
7.7 Breathing bag . 19
7.8 Resistance to temperature . 19
7.8.1 Pre-conditioning . 19
7.8.2 Temperature tests at -5 °C and +60° C . 20
7.8.3 Low temperature practical performance test . 20
7.9 Laboratory performance tests . 20
7.9.1 General performance . 20
7.9.2 Performance at 70 l/min . 24
7.10 Surface temperature .
...