prEN ISO 10121-2

Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 2: Gas-phase air cleaning devices (GPACD) (ISO/DIS 10121‑2:2025)

ISO 10121-2:2013 aims to provide an objective test method to estimate the performance of any full size gas filtration device (GPACD) for general filtration regardless of media or technique used in the device. In fact, the goal of this part of ISO 10121 is to avoid relating the test data to internal parameters altogether. The benefit with this approach is that customers of GPACDs will be able to concentrate on price/performance and suppliers will have access to a normative and objective test standard that will not require the release of proprietary information or reverse engineering of the product.
To ensure objectivity for test equipment suppliers, no specific design of the test apparatus is specified. Instead requirements of apparatus properties and validation tests are specified. However, different design examples in present use are outlined. ISO 10121-2:2013 can also be used with technologies such as scrubbers, absorbers, non-sorptive devices or packed columns as long as they fit into the test apparatus, can be meaningfully judged by the test method and are intended for general ventilation applications, both residential and non residential. Nuclear and military applications are specifically excluded.

Methode zur Leistungsermittlung von Medien und Vorrichtungen zur Reinigung der Gasphase für die allgemeine Lüftung - Teil 2: Einrichtungen zur Reinigung der Gasphase (GPACD) (ISO/DIS 10121‑2:2025)

Méthodes d'essai pour l'évaluation de la performance des médias et des dispositifs de filtration moléculaire pour la ventilation générale - Partie 2: Dispositifs de filtration moléculaire (GPACD) (ISO/DIS 10121‑2:2025)

L'ISO 10121-2:2013 a pour objet de fournir une méthode d'essai objective permettant d'évaluer les performances de tout dispositif de filtration moléculaire (GPACD) de dimension normalisée pour la ventilation générale quels que soient les médias ou la technique utilisés dans le dispositif. L'ISO 10121-2:2013 a en fait pour objet d'éviter d'associer les données d'essai aux paramètres internes. L'avantage de cette approche est que la clientèle des GPACD est en mesure de se concentrer sur le prix/les performances et les fournisseurs ont accès à une norme d'essai normative et objective qui n'exige pas la diffusion de renseignements exclusifs d'intérêt commercial ou de rétro-ingénierie du produit.
Pour garantir l'objectivité des fournisseurs d'équipement d'essai, aucune conception spécifique des appareils d'essai n'est normative. En revanche, les exigences normatives des propriétés des appareils et des essais de validation sont spécifiées. Cependant, divers exemples de conceptions actuellement utilisées sont soulignés. L'ISO 10121-2:2013 peut être aussi utilisée avec des technologies telles que débourbeurs, absorbeurs, dispositifs de non-sorption ou laveurs à garnissage tant qu'elles s'adaptent à l'appareil d'essai, qu'elles peuvent être considérées significatives par la méthode d'essai et sont destinées aux applications de ventilation générale à la fois résidentielles et non résidentielles. Les applications nucléaires et militaires sont explicitement exclues.

Preskusna metoda za ocenjevanje zmogljivosti sredstev in naprav za čiščenje plinske faze za splošno prezračevanje - 2. del: Plinske naprave za čiščenje plinske faze (ISO/DIS 10121-2:2025)

General Information

• Status: Not Published
• Publication Date: 11-Jan-2027
• ICS: 91.140.30 - Ventilation and air-conditioning systems
• Technical Committee: CEN/TC 195 - Air filters for general air cleaning
• Current Stage: 4060 - Closure of enquiry - Enquiry
• Start Date: 09-Sep-2025
• Completion Date: 09-Sep-2025
• Ref Project: oSIST prEN ISO 10121-2:2025 - Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 2: Gas-phase air cleaning devices (GPACD) (ISO/DIS 10121-2:2025)

Relations

• Revises: EN ISO 10121-2:2013 - Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 2: Gas-phase air cleaning devices (GPACD) (ISO 10121-2:2013)
• Effective Date: 04-Oct-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2025
Preskusna metoda za ocenjevanje zmogljivosti sredstev in naprav za čiščenje
plinske faze za splošno prezračevanje - 2. del: Plinske naprave za čiščenje plinske
faze (ISO/DIS 10121-2:2025)
Test methods for assessing the performance of gas-phase air cleaning media and
devices for general ventilation - Part 2: Gas-phase air cleaning devices (GPACD)
(ISO/DIS 10121-2:2025)
Methode zur Leistungsermittlung von Medien und Vorrichtungen zur Reinigung der
Gasphase für die allgemeine Lüftung - Teil 2: Einrichtungen zur Reinigung der Gasphase
(GPACD) (ISO/DIS 10121-2:2025)
Méthodes d'essai pour l'évaluation de la performance des médias et des dispositifs de
filtration moléculaire pour la ventilation générale - Partie 2: Dispositifs de filtration
moléculaire (GPACD) (ISO/DIS 10121-2:2025)
Ta slovenski standard je istoveten z: prEN ISO 10121-2
ICS:
91.140.30 Prezračevalni in klimatski Ventilation and air-
sistemi conditioning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 10121-2
ISO/TC 142
Test methods for assessing the
Secretariat: UNI
performance of gas-phase air
Voting begins on:
cleaning media and devices for
2025-06-17
general ventilation —
Voting terminates on:
2025-09-09
Part 2:
Gas-phase air cleaning devices
(GPACD)
Méthodes d'essai pour l'évaluation de la performance des médias
et des dispositifs de filtration moléculaire pour la ventilation
générale —
Partie 2: Dispositifs de filtration moléculaire (GPACD)
ICS: 91.140.30
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
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RECIPIENTS OF THIS DRAFT ARE INVITED
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Reference number
ISO/DIS 10121-2:2025(en)
DRAFT
ISO/DIS 10121-2:2025(en)
International
Standard
ISO/DIS 10121-2
ISO/TC 142
Test methods for assessing the
Secretariat: UNI
performance of gas-phase air
Voting begins on:
cleaning media and devices for
general ventilation —
Voting terminates on:
Part 2:
Gas-phase air cleaning devices
(GPACD)
Méthodes d'essai pour l'évaluation de la performance des médias
et des dispositifs de filtration moléculaire pour la ventilation
générale —
Partie 2: Dispositifs de filtration moléculaire (GPACD)
ICS: 91.140.30
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
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BE CONSIDERED IN THE LIGHT OF THEIR
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POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
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NOTIFICATION OF ANY RELEVANT PATENT
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Published in Switzerland Reference number
ISO/DIS 10121-2:2025(en)
ii
ISO/DIS 10121-2:2025(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 7
4.1 Symbols .7
4.2 Abbreviated terms .8
5 Testing of GPACDs . 8
5.1 General .8
5.2 Test setup and normative section of test stand .9
5.3 Raw data, sampling accuracy and normative generation parameters .10
5.4 Test parameters selected between user and supplier .11
5.4.1 General .11
5.4.2 Air flow rate and face velocity .11
5.4.3 Challenge compound . . 12
5.4.4 Challenge concentration . 12
5.4.5 Temperature and relative humidity . 12
5.4.6 Test duration . 12
5.5 Simplified benchmark setup . 12
5.5.1 General . 12
5.5.2 Initial removal efficiency test . 12
5.5.3 Challenge test concentration . 13
5.5.4 GPACDs for VOC tested with toluene . 13
5.5.5 GPACDs for acids and bases tested with SO and NH , respectively . 13
2 3
5.5.6 Retentivity test .14
6 Test sequence . 14
6.1 General .14
6.2 Conditioning and pressure drop determination .14
6.2.1 Procedure .14
6.2.2 Calculations . . 15
6.2.3 Reporting and graphs . 15
6.3 Initial removal efficiency . 15
6.3.1 Procedure (continued from 6.2.1) . .16
6.3.2 Calculations . .16
6.3.3 Reporting and graphs .17
6.4 Capacity determination .17
6.4.1 Procedure (continued from 6.2.1 or 6.3.1) .17
6.4.2 Calculations . .18
6.4.3 Reporting and graphs .19
6.5 Retentivity determination . 20
6.5.1 Procedure (continued from 6.4.1) . 20
6.5.2 Calculations . . 20
6.5.3 Reporting and graphs . 20
7 Validation of test setup.21
7.1 General .21
7.2 Determination of rise time and decay time .21
7.2.1 Procedure .21
7.2.2 Calculations . .21
7.2.3 Reporting and graphs . 22
8 Evaluation and report .23
8.1 Test report introdu
...