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EN ISO 21922:2021/prA1

(Amendment)

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023)

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023)

This document specifies safety requirements, certain functional requirements, and marking of valves and other components with similar bodies, hereinafter called valves, for use in refrigerating systems including heat pumps.
This document includes requirements for valves with extension pipes.
This document describes the procedure to be followed when designing valve parts subjected to pressure as well as the criteria to be used in the selection of materials.
This document describes methods by which reduced impact values at low temperatures may be taken into account in a safe manner.
This document applies to the design of bodies and bonnets for pressure relief devices, including bursting disc devices, with respect to pressure containment but it does not apply to any other aspects of the design or application of pressure relief devices.
In addition, this document is applicable to valves with a maximum operating temperature not exceeding 200 °C and a maximum allowable pressure not exceeding 160 bar[1].
[1] 1 bar = 0,1 MPa.

Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und Kennzeichnung - Änderung 1 (ISO 21922:2021/DAM 1:2023)

Dieses Dokument legt die Sicherheitsanforderungen, bestimmte funktionale Anforderungen und die Kennzeichnung von Ventilen und anderen Bauteilen, im Folgenden kurz Ventile genannt, für die Verwendung in Kälteanlagen einschließlich Wärmepumpen fest.
Dieses Dokument enthält Anforderungen für Ventile mit Verlängerungsrohren.
Dieses Dokument beschreibt das Verfahren, das bei der Konstruktion von druckbeanspruchten Ventilen zugrunde zu legen ist, sowie die bei der Auswahl von Werkstoffen für Ventilteile zu berücksichtigenden Kriterien.
Dieses Dokument beschreibt Methoden, nach denen reduzierte Werte für die Kerbschlagarbeit bei niedriger Temperatur auf sichere Art und Weise berücksichtigt werden können.
Dieses Dokument gilt für die Konstruktion von Gehäusen und Oberteilen für Druckentlastungseinrichtungen, einschließlich Berstscheibeneinrichtungen, im Hinblick auf die Druckfestigkeit, sie gilt jedoch nicht für andere Aspekte der Konstruktion oder die Anwendung von Druckentlastungseinrichtungen.
Ferner gilt dieses Dokument für Ventile mit einer maximalen Betriebstemperatur von nicht mehr als 200 °C und einem maximal zulässigen Druck von nicht mehr als 160 bar.

Systèmes de réfrigération et pompes à chaleur - Robinetterie - Exigences, essais et marquage - Amendement 1 (ISO 21922:2021/DAM 1:2023)

Le présent document spécifie les exigences de sécurité, certaines exigences fonctionnelles et le marquage des robinets et autres composants possèdant un corps similaire, ci-après appelés robinets, pour une utilisation dans les systèmes de réfrigération, y compris les pompes à chaleur.
Le présent document comprend des exigences pour les robinets avec des tuyaux d’extension.
Le présent document décrit la procédure à suivre lors de la conception des éléments de robinetterie soumis à une pression ainsi que les critères à utiliser dans le choix des matériaux.
Le présent document décrit des méthodes permettant de prendre en compte en toute sécurité les valeurs de résilience faibles à basse température.
Le présent document s'applique à la conception des corps et des chapeaux des dispositifs limiteurs de pression, y compris les dispositifs à disque de rupture, eu égard au confinement de la pression, mais elle ne s'applique à aucun autre aspect de la conception ou de l'application des dispositifs limiteurs de pression.
En outre, le présent document est applicable aux robinets dont la température maximale de fonctionnement ne dépasse pas 200 °C et dont la pression maximale admissible ne dépasse pas 160 bar[1].
[1] 1 bar = 0,1 MPa.

Hladilni sistemi in toplotne črpalke - Ventili - Zahteve, preskušanje in označevanje - Dopolnilo A1 (ISO 21922:2021/DAM 1:2023)

General Information

Status
Not Published
Publication Date
11-Aug-2024
ICS
27.080 - Heat pumps
27.200 - Refrigerating technology
Technical Committee
CEN/TC 182 - Refrigerating systems, safety and environmental requirements
Drafting Committee
CEN/TC 182 - Refrigerating systems, safety and environmental requirements
Current Stage
4060 - Closure of enquiry - Enquiry
Start Date
15-May-2023
Due Date
19-Jun-2023
Completion Date
15-May-2023
Directive
2014/68/EU - Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment
Mandate
M/071 - Mandate to CEN for standardization in the field of Pressure equipment
M/601 - COMMISSION IMPLEMENTING DECISION of 1.3.2024 on a standardisation request to the European Committee for Standardization and the European Committee for Electrotechnical Standardization as regards pressure equipment and assemblies in support of Directive 2014/68/EU of the European Parliament and of the Council
Ref Project
SIST EN ISO 21922:2022/oprA1:2023 - Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023)

Relations

Amends
EN ISO 21922:2021 - Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)
Effective Date
18-May-2022

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 21922:2022/oprA1:2023
01-april-2023
Hladilni sistemi in toplotne črpalke - Ventili - Zahteve, preskušanje in označevanje
- Dopolnilo A1 (ISO 21922:2021/DAM 1:2023)
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking -
Amendment 1 (ISO 21922:2021/DAM 1:2023)
Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und
Kennzeichnung - Änderung 1 (ISO 21922:2021/DAM 1:2023)
Systèmes de réfrigération et pompes à chaleur - Robinetterie - Exigences, essais et
marquage - Amendement 1 (ISO 21922:2021/DAM 1:2023)
Ta slovenski standard je istoveten z: EN ISO 21922:2021/prA1
ICS:
23.060.20 Zapirni ventili (kroglasti in Ball and plug valves
pipe)
27.080 Toplotne črpalke Heat pumps
27.200 Hladilna tehnologija Refrigerating technology
SIST EN ISO 21922:2022/oprA1:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 21922:2022/oprA1:2023

---------------------- Page: 2 ----------------------
SIST EN ISO 21922:2022/oprA1:2023
DRAFT AMENDMENT
ISO 21922:2021/DAM 1
ISO/TC 86/SC 1 Secretariat: ANSI
Voting begins on: Voting terminates on:
2023-02-20 2023-05-15
Refrigerating systems and heat pumps — Valves —
Requirements, testing and marking
AMENDMENT 1
Systèmes de réfrigération et pompes à chaleur — Robinetterie — Exigences, essais et marquage
AMENDEMENT 1
ICS: 27.200; 27.080
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.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
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 21922:2021/DAM 1:2023(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

---------------------- Page: 3 ----------------------
SIST EN ISO 21922:2022/oprA1:2023
ISO 21922:2021/DAM 1:2023(E)
DRAFT AMENDMENT
ISO 21922:2021/DAM 1
ISO/TC 86/SC 1 Secretariat: ANSI
Voting begins on: Voting terminates on:

Refrigerating systems and heat pumps — Valves —
Requirements, testing and marking
AMENDMENT 1
Systèmes de réfrigération et pompes à chaleur — Robinetterie — Exigences, essais et marquage
AMENDEMENT 1
ICS: 27.200; 27.080
This document is circulated as received from the committee secretariat.
COPYRIGHT PROTECTED DOCUMENT
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
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
USER PURPOSES, DRAFT INTERNATIONAL
CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: +41 22 749 01 11
WHICH REFERENCE MAY BE MADE IN
Reference number
Email: copyright@iso.org
NATIONAL REGULATIONS.
Website: www.iso.org ISO 21922:2021/DAM 1:2022(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
  © ISO 2023 – All rights reserved
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2022

---------------------- Page: 4 ----------------------
SIST EN ISO 21922:2022/oprA1:2023
ISO 21922:2021/DAM 1:2022(E)
Refrigerating systems and heat pumps — Valves —
Requirements, testing and marking
AMENDMENT 1
In Table 1 replace variable description of K , L, and Q with:
VS M
Table 1 — List of symbols
3
K Flow coefficient of the valve m /h
VS
L Leakage percentage %
Q Valve leakage mass flow rate measured with air kg/h
M
In Table 1 replace Q with Q and insert a new variable description of Q :
V V1 V2
Table 2 — List of symbols
3
Q Valve leakage volume flow rate measured upstream with air m /h
V1
3
Q Valve leakage volume flow rate measured downstream with air m /h
V2

Replace 7.6 and Table 3 with:
7.6  Sea
...

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