EN ISO 21009-2:2024

SLOVENSKI STANDARD
oSIST prEN ISO 21009-2:2023
01-september-2023
Kriogene posode - Stabilne, vakuumsko izolirane posode - 2. del: Zahteve za
obratovanje (ISO/DIS 21009-2:2023)
Cryogenic vessels - Static vacuum insulated vessels - Part 2: Operational requirements
(ISO/DIS 21009-2:2023)
Kryo-Behälter - Ortsfeste vakuumisolierte Behälter - Teil 2: Betriebsanforderungen
(ISO/DIS 21009-2:2023)
Récipients cryogéniques - Récipients fixes isolés sous vide - Partie 2: Exigences de
fonctionnement (ISO/DIS 21009-2:2023)
Ta slovenski standard je istoveten z: prEN ISO 21009-2
ICS:
23.020.40 Proti mrazu odporne posode Cryogenic vessels
(kriogenske posode)
oSIST prEN ISO 21009-2:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO 21009-2:2023
oSIST prEN ISO 21009-2:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 21009-2
ISO/TC 220 Secretariat: AFNOR
Voting begins on: Voting terminates on:
2023-06-12 2023-09-04
Cryogenic vessels — Static vacuum insulated vessels —
Part 2:
Operational requirements
Récipients cryogéniques — Récipients fixes isolés sous vide —
Partie 2: Exigences de fonctionnement
ICS: 23.020.40
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
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STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 21009-2:2023(E)
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. © ISO 2023

oSIST prEN ISO 21009-2:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 21009-2
ISO/TC 220 Secretariat: AFNOR
Voting begins on: Voting terminates on:

Cryogenic vessels — Static vacuum insulated vessels —
Part 2:
Operational requirements
Récipients cryogéniques — Récipients fixes isolés sous vide —
Partie 2: Exigences de fonctionnement
ICS: 23.020.40
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
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TECHNOLOGICAL, COMMERCIAL AND
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WHICH REFERENCE MAY BE MADE IN
Reference number
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NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 21009-2:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

oSIST prEN ISO 21009-2:2023
ISO/DIS 21009-2:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Personnel training . 2
5 General safety requirements . 3
5.1 General . 3
5.2 Safety considerations . 3
6 Installation .3
6.1 General requirements . 3
6.2 Outdoor installation . 4
6.3 Indoor installation . 5
6.4 Safety distances . 5
7 Inspection . 6
7.1 General . 6
7.2 Inspection before putting into service . 6
7.3 Marking and labelling . 6
7.4 Handover documents . 6
7.5 Equipment . 7
7.6 Periodic inspection . 7
7.6.1 General . 7
7.6.2 Inspections . 7
7.7 Inspection of pressure-relief devices . 8
7.7.1 General . 8
7.7.2 Certificates and marking . 8
7.7.3 Visual inspection . 8
7.7.4 Performance test . 8
7.7.5 Changing bursting discs (inner vessel) . 9
8 Putting into service . 9
9 Filling . 9
10 Taking out of service .10
11 Maintenance and repair .10
12 Additional requirements for flammable gases .11
12.1 General . 11
12.2 Electrical equipment . 11
12.3 Grounding (earthing) system .12
12.4 Installation .12
12.5 Filling . 13
12.6 Maintenance, repair and taking out of service . 13
13 Emergency equipment/procedures .13
Annex A (informative) Safety distances .15
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2014/68/EU (Pressure Equipment Directive) aimed to
be covered .16
Bibliography .17
iii
oSIST prEN ISO 21009-2:2023
ISO/DIS 21009-2:2023(E)
Foreword
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
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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 document was drafted in accordance with the
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