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    BS PD ISO TS 16973-2016 Respiratory protective devices Classification for respiratory protective device (RPD) excluding RPD for underwater application《呼吸保护装置 呼吸保护装置 (RPD) 分类(不含水下呼吸保护装置)》.pdf

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    BS PD ISO TS 16973-2016 Respiratory protective devices Classification for respiratory protective device (RPD) excluding RPD for underwater application《呼吸保护装置 呼吸保护装置 (RPD) 分类(不含水下呼吸保护装置)》.pdf

    1、BSI Standards Publication PD ISO/TS 16973:2016 Respiratory protective devices Classification for respiratory protective device (RPD), excluding RPD for underwater applicationPD ISO/TS 16973:2016 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of ISO/TS 16973:201

    2、6. The UK participation in its preparation was entrusted to Technical Committee PH/4, Respiratory protection. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Us

    3、ers are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 580 76511 7 ICS 13.340.30 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the auth

    4、ority of the Standards Policy and Strategy Committee on 30 April 2016. Amendments issued since publication Date Text affectedPD ISO/TS 16973:2016 ISO 2016 Respiratory protective devices Classification for respiratory protective device (RPD), excluding RPD for underwater application Appareils de prot

    5、ection respiratoire Classification pour les APR, lexclusion des APR pour application sous-marine TECHNICAL SPECIFICATION ISO/TS 16973 Reference number ISO/TS 16973:2016(E) First edition 2016-04-01PD ISO/TS 16973:2016ISO/TS 16973:2016(E)ii ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO

    6、 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permiss

    7、ion. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.orgPD ISO/TS 16973:2016I

    8、SO/TS 16973:2016(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 Terms and definitions . 1 4 Mode of operation . 1 5 Protection classes (PC) . 2 6 Work rate 2 7 Respiratory interface class 3 8 Supplied breathable gas RPD capacity class 3 9 Filter class 3 9.1 Particle filter class

    9、 3 9.1.1 Particle filter efficiency 3 9.1.2 Particle filter work rate class 4 9.2 Gas filter class 4 9.2.1 General 4 9.2.2 Gas filter capacity 4 9.2.3 Gas filter work rate class . 5 10 RPD using standardized connector . 5 11 Special application class . 5 11.1 General . 5 11.2 Firefighting class . 6

    10、11.3 Chemical, biological, radiological and nuclear class . 6 11.4 Marine class . 6 11.5 Mining class . 6 11.6 Abrasive blasting class . 7 11.7 Welding class 7 11.8 Escape class . 7 12 Sequence of marking information . 8 12.1 Sequence of marking-supplied breathable gas RPD . 8 12.2 Sequence of marki

    11、ng-filtering RPD . 8 12.3 Sequence of marking-filter . 9 12.4 Sequence of marking-respiratory interface using standardized connector. 9 12.5 Sequence of marking-filters using standardized connector 9 Annex A (normative) Classification and related marking scheme overview 10 Annex B (informative) Exam

    12、ples for ISO classification and related marking.15 Annex C (informative) Special applications .24 Annex D (informative) Work rate class .26 Annex E (informative) Respiratory interface class .28 Bibliography .30 ISO 2016 All rights reserved iii Contents PagePD ISO/TS 16973:2016ISO/TS 16973:2016(E) Fo

    13、reword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a tec

    14、hnical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters o

    15、f electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This documen

    16、t was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such

    17、 patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does

    18、 not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informa

    19、tion. ISO/TS 16973 was prepared by Technical Committee ISO/TC 94, Personal safety Protective clothing and equipment, Subcommittee SC 15, Respiratory protective devices.iv ISO 2016 All rights reservedPD ISO/TS 16973:2016ISO/TS 16973:2016(E) Introduction This Technical Specification contains the class

    20、ification of Respiratory Protective Devices (RPD) and the related marking in accordance with the requirements of the performance standards. The basic classification, which applies to all RPD, will be marked in the following order: a) protection class; b) work rate class; c) respiratory interface cla

    21、ss. Some examples for marking of commonly known RPD are included in Annex B. For Supplied Breathable Gas RPD, the classification also includes gas capacity class. For Filtering RPD, the classification also includes a particle filter class and/or the gas filter types and classes. RPD designated to be

    22、 used for Special Applications are further classified accordingly. The special applications identified are Firefighting, Chemical, Biological, Radiological and Nuclear (CBRN), Marine, Mining, Abrasive blasting, Welding, and Escape. Each RPD will have an individual classification based on its perform

    23、ance specified in the relevant performance standards. Explanations of the classification and examples of the classification of RPD are given in the Annexes. The following definitions apply in understanding how to implement an ISO International Standard and other normative ISO deliverables (TS, PAS,

    24、IWA): “shall” indicates a requirement; “should” indicates a recommendation; “may” is used to indicate that something is permitted; “can” is used to indicate that something is possible, for example, that an organization or individual is able to do something. 3.3.1 of the ISO/IEC Directives, Part 2 (s

    25、ixth edition, 2011) defines a requirement as an “expression in the content of a document conveying criteria to be fulfilled if compliance with the document is to be claimed and from which no deviation is permitted.” 3.3.2 of the ISO/IEC Directives, Part 2 (sixth edition, 2011) defines a recommendati

    26、on as an “expression in the content of a document conveying that among several possibilities one is recommended as particularly suitable, without mentioning or excluding others, or that a certain course of action is ISO 2016 All rights reserved vPD ISO/TS 16973:2016ISO/TS 16973:2016(E) preferred but

    27、 not necessarily required, or that (in the negative form) a certain possibility or course of action is deprecated but not prohibited.”vi ISO 2016 All rights reservedPD ISO/TS 16973:2016TECHNICAL SPECIFICATION ISO/TS 16973:2016(E) Respiratory protective devices Classification for respiratory protecti

    28、ve device (RPD), excluding RPD for underwater application 1 Scope This Technical Specification specifies the classification of Respiratory Protective Devices based on their performance. The performance requirements are given in the relevant performance standards. 2 Normative references The following

    29、 documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 16900-1, Respira

    30、tory protective devices Methods of test and test equipment Part 1: Determination of inward leakage ISO 16900-3, Respiratory protective devices Methods of test and test equipment Part 3: Determination of particle filter penetration ISO 16900-12, Respiratory protective devices Methods of test and test

    31、 equipment Part 12: Determination of volume-averaged work of breathing and peak respiratory pressures ISO 16972, Respiratory protective devices Terms, definitions, graphical symbols and units of measurement ISO/TS 16976-1, Respiratory protective devices Human factors Part 1: Metabolic rates and resp

    32、iratory flow rates ISO 17420-3, Respiratory protective devices Performance requirements Part 3: Thread connection 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 16972 apply. 4 Mode of operation There are two modes of operation that RPD may employ to

    33、 supply breathable gas to the wearer. These modes are specified in Table 1. Table 1 Mode of operation Mode of operation Means of providing breathable gas to the wearer Typical examples of RPD Breathable gas supply The RPD supplies the wearer with breathable gas from a remote supply of breathable gas

    34、 or from breathable gas stored in, or regenerated by, the RPD. Compressed airline breath- ing apparatus, self-contained breathing apparatus (SCBA) Filtration The RPD removes gases, vapours and/or particles from the ambient air depending on the air-purifying element (filter) used. These can be assist

    35、ed or unas- sisted devices. Half mask with gas filter(s) Filtering facepiece ISO 2016 All rights reserved 1PD ISO/TS 16973:2016ISO/TS 16973:2016(E) Combined RPD are devices which have both filtration and breathable gas supply modes. Combined RPD can have different classes depending on the operating

    36、method being used. An example will be an RPD which can operate as a compressed airline breathing apparatus and has an auxiliary filter. Multi-functional RPD are RPD which have different methods of operation within either filtration or breathable gas supply modes. Multi-functional RPD can have differ

    37、ent classes depending on the operating method being used. An example would be an RPD which can operate as a compressed airline breathing apparatus with an auxiliary self-contained breathing apparatus. Another example is an assisted filtering RPD which can operate as an unassisted filtering RPD when

    38、not powered. The performance requirements for breathable gas supply RPD and filtering RPD are specified in the relevant performance standards. 5 Protection classes (PC) RPD shall be classified by Protection Class. The Protection classes are derived from the results of a laboratory Total Inward Leaka

    39、ge (TIL) test in accordance with ISO 16900-1 and the relevant performance standards. These classes are provided in Table 2. Table 2 Protection classes Protection Class TIL MAX % PC1 20 PC2 5 PC3 1 PC4 0,1 PC5 0,01 PC6 0,001 NOTE TIL is the ratio of the concentration of a test agent in the breathing

    40、zone inside the RPD compared with the concentration outside the RPD, expressed as a percentage. This is the level of total inward leakage of the RPD as measured in the laboratory under standard defined conditions. TIL levels used in RPD evaluation are given in Table 2 and Figure A.1. 6 Work rate RPD

    41、 shall be classified by Work rate class, as determined by the RPD manufacturer. The Work rate classes are derived from the results of a laboratory test, Work of breathing, and the related performance requirement, in accordance with ISO 16900-12 and the relevant performance standards. These classes a

    42、re W4, which is equivalent to ISO/TS 16976-1 work class 8 (maximal), W3, which encompasses ISO/TS 16976-1 work classes 7 and 6 (extremely heav y and very-very heav y), W2 which encompasses ISO/TS 16976-1 work classes 5 and 4 (very heavy and heavy), and W1, which encompasses ISO/TS 16976-1 work class

    43、es 3, 2 and 1 (moderate and light). For further information, see Annex D. RPD designated for special applications may have performance requirements with minimum work rate classes.2 ISO 2016 All rights reservedPD ISO/TS 16973:2016ISO/TS 16973:2016(E) 7 Respiratory interface class Respiratory interfac

    44、es shall be classified by coverage area see Figure E.1, a) to e). Respiratory interfaces shall be further classified by type: tight fitting; those that form a seal with the wearers skin, and loose fitting, those that have a partial seal or no seal with the skin of the wearer. See Table 3, Figure A.1

    45、 and Figure E.1. Table 3 Respiratory interface classes RI Class RI area Type eL e - more than head, up to complete body L-Loose fitting eT e - more than head, up to complete body T-Tight fitting dL d - Head L-Loose fitting dT d - Head T-Tight fitting cL c - Face L-Loose fitting cT c - Face T-Tight f

    46、itting bL b - Nose and mouth L-Loose fitting bT b - Nose and mouth T-Tight fitting aL a - Mouth only L-Loose fitting aT a - Mouth only T-Tight fitting 8 Supplied breathable gas RPD capacity class Supplied breathable gas RPD that have a fixed volume of breathable gas (self-contained) shall be classif

    47、ied by the volume of breathable gas available for respiration and shall be designated by the letter “S” followed by the gas capacity in litres rounded down to increments of 150 l up to 900 l and increments of 300 l above 900 l. Supplied breathable gas RPD that have an external supply of breathable g

    48、as shall be classified and marked “SY”. Gas Capacity classification of these devices is shown in Table 4 and Figure A.2. Table 4 Supplied breathable gas capacity Class Gas capacity l Sxxxx Where xxxx is the available breathable gas volume for respiration SY Air supply from an external source (air li

    49、ne supplied) 9 Filter class 9.1 Particle filter class Particle filters shall be classified by their efficiency and work rate. 9.1.1 Particle filter efficiency Five classes of particle filter efficiency are defined ranging from very low efficiency to extremely high efficiency. Table 5 and Figure A.3 list the filter classes and their minimum filter efficiency as determined in laboratory filter efficiency tests in accordance with ISO 16900-3 by testing at the relevant flowrate in acc


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