Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only

This European Standard specifies minimum requirements for self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only.
Such equipment is intended for use in work situations where the risk on overpressurisation of the pressure vessels with their valves due to hot environmental conditions is low.
This European Standard does not apply to apparatus for work and rescue or to diving apparatus.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

Atemschutzgeräte - Behältergeräte mit Druckluft (Pressluftatmer) mit Halbmaske in der Ausführung mit einem Überdrucklungenautomaten nur für Fluchtzwecke

Diese Europäische Norm legt Mindestanforderungen für Behältergeräte mit Druckluft (Pressluftatmer) mit
Halbmaske in der Ausführung mit einem Überdrucklungenautomaten nur für Fluchtzwecke fest.
Solche Ausrüstung ist zum Einsatz bei Arbeitssituationen vorgesehen, bei denen die Gefahr der
Druckerhöhung in den Druckbehältern mit ihren Ventilen durch heiße Umgebungsbedingungen gering ist.
Diese Europäsche Norm gilt nicht für Geräte für Arbeit und Rettung und nicht für Tauchgeräte.
Laborprüfungen und praktische Leistungsprüfungen sind zum Beurteilen der Übereinstimmung mit den
Anforderungen enthalten.

Appareils de protection respiratoire - Appareils de protection respiratoire autonomes a circuit ouvert, a air comprimé avec demi-masque et soupape a la demande a commande a la premiere inspiration, a pression positive, pour l'évacuation uniquement

La présente Norme européenne spécifie les exigences minimales applicables aux appareils de protection
respiratoire isolants autonomes a circuit ouvert a air comprimé, pourvus d?un demi-masque avec une soupape
a la demande a pression positive, a commande pulmonaire, conçus pour l?évacuation uniquement.
Ces appareils sont destinés a etre utilisés dans les situations de travail ne comportant qu?un risque faible de
mise en surpression des conteneurs d?air comprimé a soupape par suite de conditions environnementales a
température élevée.
La présente Norme européenne ne s?applique ni aux appareils de protection pour le travail et le sauvetage, ni
aux appareils de plongée.
Il contient des essais pratiques en laboratoire et des essais de performance permettant d?évaluer la
conformité aux spécifications.

Oprema za varovanje dihal – Samoreševalni dihalni aparat na stisnjeni zrak z odprtim krogotokom in polobrazno masko, načrtovan tako, da vključuje krmiljenje ventila z nadtlakom iz pljuč; samo za namen evakuacije

General Information

Status
Published
Publication Date
31-Dec-2005
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jan-2006
Due Date
01-Jan-2006
Completion Date
01-Jan-2006

Buy Standard

Standard
SIST EN 14529:2006
English language
26 pages
sale 10% off
Preview
sale 10% off
Preview

e-Library read for
1 day

Standards Content (sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes onlyAppareils de protection respiratoire - Appareils de protection respiratoire autonomes a circuit ouvert, a air comprimé avec demi-masque et soupape a la demande a commande a la premiere inspiration, a pression positive, pour l'évacuation uniquementAtemschutzgeräte - Behältergeräte mit Druckluft (Pressluftatmer) mit Halbmaske in der Ausführung mit einem Überdrucklungenautomaten nur für Fluchtzwecke13.340.30Varovalne dihalne napraveRespiratory protective devicesICS:SIST EN 14529:2006enTa slovenski standard je istoveten z:EN 14529:200501-januar-2006SIST EN 14529:2006SLOVENSKI

STANDARD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14529August 2005ICS 13.340.30 English VersionRespiratory protective devices - Self-contained open-circuitcompressed air breathing apparatus with half mask designed toinclude a positive pressure lung governed demand valve forescape purposes onlyAppareils de protection respiratoire - Appareils deprotection respiratoire autonomes à circuit ouvert, à aircomprimé avec demi-masque et soupape à la demande àcommande à la première inspiration, à pression positive,pour l'évacuation uniquementAtemschutzgeräte - Behältergeräte mit Druckluft(Pressluftatmer) mit Halbmaske in der Ausführung miteinem Überdrucklungenautomaten nur für FluchtzweckeThis European Standard was approved by CEN on 1 July 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members 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 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14529:2005: E

EN 14529:2005 (E) 2 Contents Page Foreword..........................................................................................................................................................3 Introduction......................................................................................................................................................4 1 Scope...................................................................................................................................................5 2 Normative references.........................................................................................................................5 3 Terms and definitions.........................................................................................................................6 4 Description..........................................................................................................................................6 5 Classification.......................................................................................................................................6 6 Requirements......................................................................................................................................6 7 Testing...............................................................................................................................................13 8 Marking..............................................................................................................................................17 9 Information supplied by the manufacturer......................................................................................18 Annex A (informative)

Methods of measurement of the insulation resistance of the carrying container............................................................................................................................................21 Annex B (informative)

Marking....................................................................................................................24 Annex ZA (informative)

Clauses of this European Standard addressing essential requirements or other provisions of EU Directives....................................................................................................25 Annex ZB (informative)

Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC (PED)...............................................................................26

EN 14529:2005 (E) 3 Foreword This European Standard (EN 14529:2005) has been prepared by Technical Committee CEN/TC 79 “Respiratory protective devices”, the secretariat of which is held by DIN. 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 April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. This European Standard has been prepared under a mandate given to CEN/CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s) 89/686/EEC and 97/23/EEC. For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this European Standard. 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, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EN 14529:2005 (E) 4 Introduction A given respiratory protective device can only be approved when the individual components satisfy the requirements of the test specification which may be a complete European Standard or part of a European Standard and practical performance tests have been carried out successfully on complete apparatus where specified in the appropriate European Standard. If for any reason a complete apparatus is not tested then simulation of the apparatus is permitted provided the respiratory characteristics and weight distribution are similar to those of the complete apparatus.

EN 14529:2005 (E) 5 1 Scope This European Standard specifies minimum requirements for self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only. Such equipment is intended for use in work situations where the risk on overpressurisation of the pressure vessels with their valves due to hot environmental conditions is low. This European Standard does not apply to apparatus for work and rescue or to diving apparatus. Laboratory and practical performance tests are included for the assessment of compliance with the requirements. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

EN 132:1998, Respiratory protective devices – Definitions of terms and pictograms EN 134:1998, Respiratory protective devices - Nomenclature of components EN 140:1998, Respiratory protective devices – Half mask and quarter masks – Requirements, testing, marking EN 148-1, Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection EN 148-2, Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection EN 148-3, Respiratory protective devices - Threads for facepieces - Part 3: Thread connection for M 45 x 3 EN 1964-1, Transportable gas cylinders — Specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacities from 0,5 litre up to and including 150 litres — Part 1: Cylinders made of seamless steel with an Rm value of less than 1100 MPa EN 1964-2, Transportable gas cylinders — Specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacities from 0,5 litre up to and including 150 litres — Part 2: Cylinders made of seamless steel with an Rm value of 1100 MPa and above EN 1964-3, Transportable gas cylinders — Specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacity from 0,5 litre up to and including 150 litres — Part 3: Cylinders made of seamless stainless steel with an Rm value of less than 1100 MPa EN 1975, Transportable gas cylinders - Specification for the design and construction of refillable transportable seamless aluminium and aluminium alloy gas cylinders of capacity from 0, 5 litre up to 150 litre EN 12021, Respiratory protective devices - Compressed air for breathing apparatus EN 12245, Transportable gas cylinders - Fully wrapped composite cylinders EN 13274-2:2001, Respiratory protective devices - Methods of test - Part 2: Practical performance tests EN 13274-3:2001, Respiratory protective devices - Methods of test - Part 3: Determination of breathing resistance

EN 14529:2005 (E) 6 EN 13274-4:2001, Respiratory protective devices - Methods of test - Part 4: Flame tests EN 13274-5, Respiratory protective devices - Methods of test - Part 5: Climatic conditions 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 132:1998 and the nomenclature given in EN 134:1998 apply. 4 Description Lung governed demand compressed air escape apparatus are designed and constructed to enable the wearer to breathe air on demand from a pressure vessel(s) either via a pressure reducer and a lung governed demand valve or a lung governed demand valve connected to the half mask. The exhaled air passes without re-circulation from the half mask via the exhalation valve to the ambient atmosphere. This apparatus typically comprises pressure vessel(s), body harness, lung governed demand valve, pressure indicator(s), warning device (optional), connecting hoses and tubes and a half mask. 5 Classification Lung governed demand compressed air escape apparatus are classified according to the rated working duration (see 6.23.1) which is defined by performing a breathing machine test in accordance with 7.6.4 with a minute volume of 35 l/min (20 cycles/min, 1,75 l/stroke). Rated working duration is defined in steps of 5 minutes, starting with 5 minutes as a minimum, up to a maximum of 30 min rated working duration, since the necessary escape time is considered to be the classification. NOTE It should be recognised that the effective duration may vary according to the breathing rate. 6 Requirements 6.1 General In all tests all test samples shall meet the requirements. Wherever a test clause is referenced, all sub-clauses of the test clause shall apply, unless otherwise stated. 6.2 Ergonomics The requirements of this European Standard are intended to take account of the interaction between the wearer, the apparatus, and where possible the working environment in which the apparatus is likely to be used. The device shall satisfy 6.3, 6.8 and 6.9. 6.3 Design The diameter of pressurised parts downstream of the shut-off valve(s) shall not exceed 32 mm. The apparatus shall be designed so as not to interfere with work activities when carried in accordance with the manufacturers instructions. The apparatus shall be so designed that there are no protruding parts or sharp edges likely to be caught on projections in narrow passages or that may hurt the wearer.

EN 14529:2005 (E) 7 The apparatus shall be designed to ensure its full function in any orientation. The ready for use state of the apparatus shall identify the pressure in the pressure vessel(s) prior to use and during storage. In the ready for use state the half mask shall be securely attached to the apparatus. In the case of a permanent installation of the apparatus in a storage container the pressure vessel seal shall be opened automatically upon removal from the storage container. In all cases, once opened, the pressure vessel seal shall be locked in the open position against inadvertent closing. If the escape apparatus is fitted with a connection for a working breathing apparatus, (e.g. airline apparatus), the connection shall be leak tight. The use of a supplementary supply shall not be permitted. The apparatus shall not include a second medium pressure connector or an ambient air bypass. Testing shall be done in accordance with 7.3 and 7.8. 6.4 Materials The carrying container and the locking device, where present, shall be adequately protected against corrosion. The materials used shall be able to withstand temperatures and mechanical stress expected whilst being carried on the man as well as on machines and vehicles. Testing shall be done in accordance with 7.3, and 7.8 after pre-conditioning according to 7.4. Exposed parts, i.e. those which may be subjected to impact during use of the apparatus shall not be made of aluminium, magnesium, titanium or their alloys. To prevent electrostatic charges on non-metal carrying containers, the surface resistance shall not exceed 109 Ω. Where the apparatus is required to be anti-static during escape materials used shall be anti-static as far as it is practicable. Testing shall be done in accordance with 7.6.6. Materials which come into direct contact with the wearer's skin and the breathable gas shall not be known to be likely to cause irritation or any other adverse effect to health. The finish of any part of the apparatus likely to be in contact with the wearer shall be free from sharp edges and burrs. Testing shall be done in accordance with 7.3 and 7.8. 6.5 Cleaning and disinfecting All materials shall be visibly unimpaired after cleaning and disinfection by the agents and procedures specified by the manufacturer. Testing shall be done in accordance with 7.3 and 7.8. 6.6 Mass Where the apparatus is intended to be carried on the wearer for not more than 1 h, the mass of the complete apparatus including carrying container shall not exceed 7,5 kg. Where the apparatus is intended to be carried on the wearer for more than 1 h, the mass of the complete apparatus including carrying container shall not exceed 5 kg. The mass of the apparatus, excluding any container, when stored ready for use shall not exceed 7,5 kg.

EN 14529:2005 (E) 8 Testing shall be done in accordance with 7.1 and 7.3. 6.7 Connections 6.7.1 General The design and construction of the apparatus shall permit its components to be readily separated for cleaning, inspecting and testing. Demountable connections to achieve this shall be readily connected and secured where possible by hand. Any means for sealing used shall be retained in position when the connection(s) is (are) disconnected during normal use and maintenance. Where a compressed airline breathing apparatus incorporating a half mask is used in conjunction with an escape breathing apparatus with a half mask as specified by this European Standard, all connections that may have to be disconnected by the wearer whilst wearing the apparatus shall be located so as to be readily accessible to the wearer and designed so as to be easily disconnected without assistance. Testing shall be done in accordance with 7.3 and 7.8. 6.7.2 Connection between apparatus and half mask NOTE The connection between the apparatus and the half mask may be achieved by a permanent, special or thread type connector. If a thread type connector is used it shall not be possible to connect it with the EN 148-1 and EN 148-3 threads. The thread according to EN 148-2 shall not be used with the equipment covered by this European Standard. Testing shall be done in accordance with 7.3. After pre-conditioning in accordance with 7.4 and return to temperatures between 17°C and 23°C the connectors between apparatus and the half mask shall be examined and the performance requirements of the threads shall be satisfied. For all equipment connectors a pull test as described in 6.11 and 7.8 of EN 140:1998 shall be applied and no separation shall occur and the performance requirements of the threads shall be satisfied. Testing shall be done in accordance with 7.3. 6.8 Harness The apparatus shall have a harness or other means of carrying so that the wearer’s hands are left free, when the apparatus is in use. Any harness shall be designed to allow quick, easy and correct donning of the apparatus without assistance. Testing shall be done in accordance with 7.3 and 7.8. 6.9 Handling The apparatus shall be capable of being donned and put into operation simply and without undue exertion under difficult conditions e.g. in the dark and in spaces with restricted areas. If the apparatus is fitted with a special lock, the design shall be such that it cannot be opened inadvertently. This design criteria shall be checked as part of and prior to testing in accordance with 7.8. If the apparatus has been opened, this shall be obvious by visual inspection.

EN 14529:2005 (E) 9 Testing shall be done in accordance with 7.3 and 7.8. 6.10 Leak tightness The ready for use apparatus shall be leak tight so that the pressure change does not exceed 0,3 mbar in 1 min. Testing shall be done in accordance with 7.6.3. 6.11 Half mask The half mask shall fulfil the performance requirements of EN 140 when tested as a complete apparatus, except the breathing resistance requirement according to 6.15 of EN 140:1998. 6.12 Temperature performance and flammability resistance 6.12.1 General After pre-conditioning according to 7.4 and return to (20 ± 3) °C pressure vessels shall be charged to the manufacturer’s maximum recommended filling pressure. The apparatus shall meet the requirements of 6.10 and 6.23, the carrying container shall have no deficiencies that impair its functionability, the materials used shall not show substantial detoriations (severe deformations, cracks etc.) and the connectors between apparatus and half mask shall be examined. For standardised threads a thread gauge shall be used to check dimensions. For all equipment connectors a pull test as described in 6.11.2 and 7.8 of EN 140:1998 shall be applied and no separations shall occur. After the test the equipment connector shall be dimensionally correct. Testing shall be done in accordance with 7.3. 6.12.2 Temperature performance 6.12.2.1 General The apparatus shall operate trouble-free over the temperature range -15 °C to 60 °C. Apparatus specifically designed for temperatures beyond these limits shall be tested and marked accordingly. The apparatus shall meet the breathing resistance requirements given in 6.12.2.2 and 6.12.2.3 at the extremes of the temperature given. 6.12.2.2 Breathing resistance at low temperature A positive pressure shall be maintained in the half mask. The exhalation resistance shall not exceed 10 mbar. Testing shall be done in accordance with 7.6.1. 6.12.2.3 Breathing resistance at high temperature A positive pressure shall be maintained in the cavity of the half mask. The exhalation resistance shall not exceed 10 mbar. Testing shall be done in accordance with 7.6.2.

EN 14529:2005 (E) 10 6.12.3 Flammability All parts which are likely to be exposed to flame during actual use shall prove to be "self-extinguishing", i.e. the material shall not be of highly flammable nature and when tested the parts shall not continue to burn for more than 5 s after removal from the flame. After completing the flammability test the apparatus shall meet the requirements given in 6.10. Testing shall be done in accordance with 7.6.3 and 7.6.7. 6.13 Protection against particulate matter The component parts of the apparatus supplying compressed air shall be reliably protected against the penetration of particulate matter that may be contained in the compressed air. Testing shall be done in accordance with 7.3. 6.14 High and medium pressure parts Metallic high pressure tubes, valves and couplings shall be tested to prove that they are capable of withstanding a pressure of 50 % above the maximum filling pressure of the pressure vessel without damage. Non-metallic high pressure parts shall be tested to prove that they are capable of withstanding a pressure twice the maximum filling pressure of the pressure vessel without damage. All medium pressure tubes downstream of the pressure reducer shall be capable of withstanding twice their maximum attainable working pressure without damage. Testing shall be done in accordance with 7.1 and 7.3. 6.15 High, medium and low pressure connections High, medium and low pressure connectors shall not be interchangeable. Testing shall be done in accordance with 7.3. 6.16 Pressure vessel(s) The pressure vessel shall be approved with respect to EN 1964 parts 1 to 3, EN 1975 and EN 12245. Only pressure vessels of equal maximum filling pressure shall be connected to an apparatus with more than one pressure vessel. Testing shall be done in accordance with 7.3 and 7.8. It shall not be possible to connect pressure vessels with a higher maximum filling pressure (e.g. 300 bar) to an apparatus which is designed only for a lower maximum filling pressure (e.g. 200 bar). Testing shall be done in accordance with 7.3. 6.17 Pressure vessel seal There shall be only one pressure vessel seal or other technical provisions to open the total air stored. The pressure vessel seal or its equivalent shall be opened easily by hand or automatically when starting the apparatus. Where a spindle valve is used it shall be so designed that the valve spindle cannot be completely unscrewed from the assembly during normal operation of the pressure vessel seal valve.

EN 14529:2005 (E) 11 The opening device shall be designed so that it cannot be closed inadvertently. Testing shall be done in accordance with 7.3 and 7.8. 6.18 Pressure reducer If the apparatus is designed with a pressure reducer, any adjustable medium pressure stage shall be reliably secured against accidental alteration and adequately sealed so that any unauthorised adjustment can be detected. Testing shall be done in accordance with 7.3. 6.19 Pressure relief valve 6.19.1 General A pressure relief valve shall be provided if the down stream parts of the apparatus cannot take full pressure vessel pressure. 6.19.2 Apparatus with a pressure relief valve The pressure relief valve shall be designed to pass an air flow of 400 l/min at a medium pressure not exceeding 30 bar. With the pressure relief valve operational, the inhalation and exhalation breathing resistance shall not exceed 25 mbar. Testing shall be done in accordance with 7.7.1 and 7.7.2. 6.19.3 Apparatus without a pressure relief valve Where a pressure relief valve is not provided, the breathing resistance requirements of 6.19.2 shall be met. Testing shall be done in accordance with 7.7.1 and 7.7.3. 6.20 Pressure indicator The apparatus shall be equipped with a reliable pressure indicator which will indicate the maximum filling pressure of the pressure vessel(s) ready for use. The pressure indicator shall be designed to withstand a pressure of at least 50 bar above the maximum filling pressure of the pressure vessel. The pressure indicator shall function independently of the action of the pressure vessel seal at all times. A pressure indicator shall be provided with a blow-out release which protects the wearer against injuries. If the window is incorporated in the pressure indicator, it shall be of non-splintering clear material. A restrictor shall be provided so that if the indicator is damaged, the outflow of air at 200 bar pressure shall not exceed a rate of 25 l/min. If the nominal pressure is less the requirement shall be met at the nominal pressure. Testing shall be done in accordance with 7.1, 7.3 and 7.8.

EN 14529:2005 (E) 12 6.21 Flexible hoses and tubes 6.21.1 Breathing hose Breathing hoses shall be flexible and non-kinking. The breathing hoses shall permit free head movement and shall not restrict or close off the air supply under chin or arm pressure during practical performance tests. Testing shall be done in accordance with 7.8. The connections shall withstand axially a tensile force of 50 N. Testing shall be done in accordance with 7.5.2. 6.21.2 Medium pressure connecting tube Tubes to the demand valve (connections included) shall withstand for 15 min twice the operating pressure of the pressure relief valve or at least 30 bar which ever is the higher. The connections of the medium pressure connecting tube shall withstand an axial tensile force of 50 N. Testing shall be done in accordance with 7.3 and 7.5.2. 6.22 Mechanical strength After pre-conditioning in accordance with 7.4 the apparatus shall still be leak tight, provide protection and meet the performance requirements of 6.23. Testing shall be done in accordance with 7.1, 7.4, 7.6.3, 7.6.4, 7.6.5, 7.9.1 and 7.9.2. 6.23 Performance requirements 6.23.1 Rated working duration The apparatus shall cover the minimum duration laid down for its classification as specified in Clause 5. The test is terminated when the inhalation resistance goes negative. Testing shall be done in accordance with 7.6.4. 6.23.2 Inhalation resistance The half mask cavity pressure shall remain positive at all pressure vessel pressures from full to 20 bar. Testing shall be done in accordance with 7.9.1. 6.23.3 Exhalation resistance The exhalation resistance shall not exceed 10 mbar. Testing shall be done in accordance with 7.9.2. 6.23.4 Static pressure The opening pressure of the exhalation valve shall be at least 0,3 mbar more than the maximum static pressure of the demand valve at all pressure vessel pressures between maximum filling pressure and 20 bar. Reduce the flow until zero- flow and measure the remaining pressure which is called static pressure.

EN 14529:2005 (E) 13 Testing shall be done in accordance with 7.1 and 7.6.5. 6.24 Protection against environment During storage it shall be possible to store the apparatus in a storage and/or carrying container with means for mounting such that it is protected from dust and climate. It shall be possible to identify the ready for use state required in 6.3 and also any unauthorised opening. Testing shall be done in accordance with 7.3. 6.25 Practical performance The complete apparatus shall also undergo practical performance tests under realistic conditions. These general practical performance tests serve the purpose to check the apparatus for imperfections that cannot be determined by the tests described elsewhere in this European Standard. If during any activity, by any test subject the test subject fails to finalise the selected activity due to the apparatus being not fit for the purpose for which it has been designed, the apparatus shall be deemed to have failed. After completion of the activities the test subjects are asked to answer the questions in 6.6 of EN 13274-2:2001. These answers will be used by the test house to determine if the apparatus passes or fails. This will enable other test houses to duplicate the tests and the results thereof. Testing shall be done in accordance with 7.3 and 7.8. 7 Testing 7.1 General If no special measuring devices or measuring methods are specified commonly used methods and devices shall be applied. Before performing tests involving human subjects account shall be taken of any national regulations concerning the medical history, examination or supervision of the test subjects. 7.2 Nominal values and tolerances Unless otherwise specified, the values stated in this European Standard are expressed as nominal values. Except for temperature limits, values which are not stated as maxima or minima shall be subject to a tolerance of ± 5 %. Unless otherwise specified, the ambient temperature for testing shall be in the range between 16 °C and 32 °C and the temperature limits shall be subject to an accuracy of ± 1 °C. 7.3 Visual inspection The visual inspection shall be made by the test house prior to laboratory or practical performance tests. This may entail a certain amount of dismantling in accordance with the manufacturer’s instructions for maintenance. The visual inspection shall include the assessment of the device marking and information supplied by the manufacturer and any safety data sheets (if applicable) or declarations relevant to the materials used in its construction.

EN 14529:2005 (E) 14 7.4 Pre-Conditioning The apparatus shall be conditioned by the following cycle in accordance with EN 13274-5: a) (70 ± 3) °C/dry atmosphere/(72 ± 3) h; b) (70 ± 3) °C/wet atmosphere/(72 ± 3) h; c) (-30 ± 3) °C/dry atmosphere/(24 ± 1) h. WARNING — The pressure vessel shall be charged to not more than 50 % of the manufacturer's maximum recommended filling pressure during conditioning. After pre-conditioning and return to (20 ± 3) °C pressure vessels shall be charged to the manufact

...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.