ISO 23137-1

Requirements for aerosol filters used in nuclear facilities against specified severe conditions — Part 1: General requirements

Exigences pour les filtres à aérosols utilisés dans les installations nucléaires dans des conditions sévères spécifiées — Partie 1: Exigences générales

General Information

• Status: Not Published
• ICS: 91.140.30 - Ventilation and air-conditioning systems
• Technical Committee: ISO/TC 142 - Cleaning equipment for air and other gases
• Drafting Committee: ISO/TC 142/WG 10 - Joint ISO/TC 142 - ISO/TC 85/SC 2 WG: Aerosol filters for nuclear applications
• Parallel Committee: ISO/TC 85/SC 2 - Radiological protection
• Current Stage: 6000 - International Standard under publication
• Completion Date: 24-Feb-2024

Standards Content (Sample)

FINAL DRAFT
International
Standard
ISO/FDIS 23137-1
ISO/TC 142
Requirements for aerosol filters
Secretariat: UNI
used in nuclear facilities against
Voting begins on:
specified severe conditions —
2023-12-29
Part 1:
Voting terminates on:
2024-02-23
General requirements
Exigences pour les filtres à aérosols utilisés dans les installations
nucléaires dans des conditions sévères spécifiées —
Partie 1: Exigences générales
Member bodies are requested to consult relevant national interests in ISO/TC
85/SC 2 before casting their ballot to the e-Balloting application.
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 SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 23137-1:2023(en) © ISO 2023

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ISO/FDIS 23137-1:2023(en)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 23137-1
ISO/TC 142
Requirements for aerosol filters used
Secretariat: UNI
in nuclear facilities against specified
Voting begins on:
severe conditions —
Voting terminates on:
Part 1:
General requirements
Exigences pour les filtres à aérosols utilisés dans les installations
nucléaires dans des conditions sévères spécifiées —
Partie 1: Exigences générales
Member bodies are requested to consult relevant national interests in ISO/TC
85/SC 2 before casting their ballot to the e-Balloting application.
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED TO
CP 401 • Ch. de Blandonnet 8
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
CH-1214 Vernier, Geneva
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
Phone: [phone]
DOCUMENTATION.
Email: [e-mail]
IN ADDITION TO THEIR EVALUATION AS
Website: www.iso.org Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 23137-1:2023(E)
Published in Switzerland
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON

OCCASION HAVE TO BE CONSIDERED IN THE
© ISO 2023 – All rights reserved
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023
ii

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ISO/FDIS 23137-1:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General requirements . 2
4.1 General design requirements of the filters . 2
4.1.1 Layout requirements . 2
4.1.2 Materials . 3
4.1.3 Nominal air volume flow rate .
...

ISO/FDIS 23137-1:2023(E)
ISO /TC 142
Secretariat: UNI
Date: 2023-08-0212-14

Requirements for aerosol filters used in nuclear facilities against
specified severe conditions —
Part 1:
General requirements
Exigences pour les filtres à aérosols utilisés dans les installations nucléaires dans des conditions sévères
spécifiées —
Partie 1: Exigences générales
FDIS stage

---------------------- Page: 1 ----------------------
ISO/FDIS 23137-1:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Fax: + 41 22 749 09 47
E-mail: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved

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ISO/FDIS 23137-1:2023(E)
Contents
Foreword v
Introduction vi
Requirements for aerosol filters used in nuclear facilities against specified severe conditions — Part 1:
General requirements 1
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General requirements 3
4.1 General design requirements of the filters 3
4.1.1 Layout requirements 3
4.1.2 Materials 3
4.1.3 Nominal air volume flow rate 4
4.1.4 Pressure difference 4
4.1.5 Filtration performance 4
4.1.6 Filter’s lifetime 4
4.2 General qualification principles 4
5 General performances against loads 7
5.1 Introduction 7
5.2 Visual inspection 7
5.3 Resistance to air flow and initial efficiency performance 7
5.4 Exposure to loads 7
5.5 Specific performances related to environment likely to be present in nuclear facilities 8
6 Qualification of the test rig used for the filter loading performance 8
6.1 General 8
6.2 Qualification of the test rigs 8
6.3 Capabilities of the test rigs with regards to certification filtration performances 8
7 General conditions for the shipping and storage of filters 8
7.1 Packaging and shipping 9
7.2 Storage of HEPA filters 9
8 Reporting, evaluation and report 9
Annex A (informative) General overview of the loads characterization and their combinations on the
filters used in nuclear facilities 11
Annex B (informative) Examples of general sizes and layout used for aerosol filtration in nuclear facilities
12
Annex C (normative) Conformity compliance report template 13
Annex D (informative) Packaging, shipping and storage 14
Annex E (informative) Service life 17
© ISO 2023 – All rights reserved iii
© ISO 2023 – All rights reserved iii

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ISO/FDIS 23137-1:2023(E)
Bibliography 18

Foreword . vi
Introduction .vi i
Part 1: General requirements . 1
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General requirements . 3
4.1 General design requirements of the filters . 3
4.1.1 Layout requirements . 3
4.1.2 Materials . 3
4.1.3 Nominal air volume flow rate .
...