ISO/TS TECHNICAL SPECIFICATION 16973 First edition 2016-04-01 Respiratory protective devices Classification for respiratory protective device (RPD), excluding RPD for underwater application Appareils de protection respiratoire - Classification pour les APR, a I'exclusion des APR pourapplication sous-marine Reference number ISO/TS 16973:2016(E) ISO International Organization for Standardization HEJIANG INSTOFSTANDARDIZATION C15956617 @IS02016 vided by IHS under ed without license from IHS IS0/TS 16973:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinair PrganizationforStandardization ensee-ZHEJIANG INSTOF STANDARDIZAoISQ6- All rights reserved Not for Resale, 2016/6/2 08:49:5 etworking permitted without license from IHS IS0/TS 16973:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Mode of operation .1 5 Protection classes (PC) ..2 6 Workrate ..2 7 Respiratory interface class ..3 8 Supplied breathable gas RPD capacity class. ..3 9 Filter class ..3 9.1 Particle filter class. .3 9.1.1 Particle filter efficiency 3 9.1.2 Particlefilterworkrateclass ..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 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 .1 11.8 Escapeclass 7 12 Sequence of marking information .8 12.1 Sequence of marking-supplied breathable gas RPD ..8 12.2 Sequence of marking-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) Examples for Iso classification and related marking. ..15 Annex C (informative) Special applications ..24 AnnexD(informative)Workrateclass ..26 Annex E (informative) Respiratory interface class ..28 Bibliography .30 iii =ZHEJIANG INSTOF STANDARDIZATION C15956617 without license from IHS