Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2022)

This document specifies requirements for design, dimensions, material, fabrication and production testing of gate, globe, ball/plug and butterfly valve design types used as isolation valves and check valves for low-temperature applications.
This document is applicable to isolation valves for use in low and cryogenic temperature service where the design low-temperature service is -50 °C down to –196 °C.
This document does not apply to valves for cryogenic services, designed in accordance with ISO 21011, used with cryogenic vessels.
Where the requirements of this document vary from those given in the valve product standards, the requirements of this document apply.
This document is applicable to valves with body, bonnet, bonnet extension or cover made of metallic materials.
This document is applicable to:
—    valves of nominal sizes DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1 050; 1 200; 1 350; 1 400; 1 500; 1 600; 1 650; 1 800,
—    corresponding to nominal pipe sizes NPS: ⅜; ½; ¾; 1; 1 ¼; 1 ½; 2; 2 ½; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72,
and applies to pressure designations:
—    PN 16; 25; 40; 100; 160; 250; 400,
—    Class 150; 300; 600; 800; 900; 1 500; 2 500.
NOTE       Not all type and size combination are available in all pressure ratings.
This document does not apply to safety valves and control valves.

Industriearmaturen - Absperrventile für die Anwendung im Tieftemperaturbereich - Teil 1: Auslegung, Fertigung und Produktionsprüfung (ISO 28921-1:2022)

Dieses Dokument legt Anforderungen an die Auslegung, die Maße, das Material, die Fertigung und die Fertigungsprüfung von Schiebern, Durchgangsventilen, Kugel-/Absperrhähnen und Klappen, die als Absperrventile und Rückschlagventile für Tieftemperaturanwendungen eingesetzt werden, fest.
Dieses Dokument gilt für Absperrventile zum Einsatz im tiefen und kryogenen Temperaturbetrieb, in welchem der geplante Tieftemperaturbereich zwischen −50 °C und −196 °C liegt.
Dieses Dokument gilt nicht für Ventile für den kryogenen Betrieb, die in Übereinstimmung mit ISO 21011 für den Einsatz mit Kryo-Behältern ausgelegt sind.
In Fällen, in denen die Anforderungen dieses Dokuments von den Anforderungen in den Produktnormen der Ventile abweichen, sind die Anforderungen dieses Dokuments anzuwenden.
Dieses Dokument gilt für Ventile mit einem Ventilgehäuse, einem Ventiloberteil, einer Verlängerung des Oberteils oder einem Deckel aus metallischen Werkstoffen.
Dieses Dokument gilt für:
—   Ventile der Nennweiten DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1 050; 1 200; 1 350; 1 400; 1 500; 1 600; 1 650; 1 800,
—   entsprechend den NPS: 3/8; 1/2; 3/4; 1; 11/4; 11/2; 2; 21/2; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72,
und anwendbar auf Druckbezeichnungen:
—   PN 16; 25; 40; 100; 160; 250; 400;
—   Class 150; 300; 600; 800; 900; 1 500; 2 500.
ANMERKUNG   Nicht alle Typen- und Größenkombinationen sind in allen Druckstufen verfügbar.
Dieses Dokument gilt nicht für Sicherheits- und Regelventile.

Robinetterie industrielle - Robinets d'isolement pour application à basses températures - Partie 1: Conception, essais de fabrication et de production (ISO 28921-1:2022)

Le présent document spécifie les exigences relatives à la conception, aux dimensions, aux matériaux, à la fabrication et aux essais de production de robinets-vannes, de robinets à soupape, de robinets à tournant sphérique/à boisseau et de robinets à papillon utilisés comme robinets de sectionnement et clapets de non-retour pour application à basses températures.
Le présent document s’applique aux robinets de sectionnement destinés à un usage à basses températures et à des températures cryogéniques pour lesquels la température de calcul est comprise entre – 50 °C et – 196 °C.
Le présent document ne s’applique pas aux appareils de robinetterie pour usage cryogénique, qui sont conçus conformément à l’ISO 21011 et utilisés avec des récipients cryogéniques.
Lorsque les exigences du présent document diffèrent de celles données dans les normes produit des appareils de robinetterie, les exigences du présent document s’appliquent.
Le présent document s’applique aux appareils de robinetterie dont le corps, le chapeau, l’extension du chapeau ou le couvercle sont en matériaux métalliques.
Le présent document s’applique
—    aux appareils de robinetterie de diamètre nominal DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1 050; 1 200; 1 350; 1 400; 1 500; 1 600; 1 650; 1 800,
—    correspondant à des dimensions nominales de tubes NPS: ⅜; ½; ¾; 1; 1¼; 1½; 2; 2½; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72,
et s’applique aux désignations de pression:
—    PN 16; 25; 40; 100; 160; 250; 400,
—    Class 150; 300; 600; 800; 900; 1 500, 2 500.
NOTE            Toutes les combinaisons de type et de taille ne sont pas disponibles pour toutes les pressions nominales.
Le présent document ne s’applique pas aux soupapes de sûreté et aux robinets de régulation.

Industrijski ventili - Zapirni ventili za uporabo pri nizki temperaturi - 1. del: Načrtovanje, proizvodnja in preskušanje med proizvodnjo (ISO 28921-1:2022)

Ta dokument določa zahteve za zasnovo, mere, material, izdelavo in proizvodno preskušanje tipskih izvedb zasunov, sedežnih, krogličnih/stožčastih in loputnih ventilov, ki se uporabljajo kot izolacijski ventili in protipovratni ventili za uporabo pri nizkih temperaturah. Ta dokument se uporablja za izolacijske ventile, namenjene uporabi pri nizkih in kriogenih temperaturah, pri katerih je konstrukcijsko predvideno obratovanje pri nizkih temperaturah med –50°C in –196 °C. Ta dokument se ne uporablja za ventile za kriogeno uporabo, ki so zasnovani v skladu s standardom ISO 21011 in se uporabljajo s kriogenimi posodami. Kadar se zahteve tega dokumenta razlikujejo od zahtev, podanih v proizvodnih standardih za ventile, se uporabljajo zahteve v tem dokumentu. Ta dokument se uporablja za ventile z ohišjem, pokrovom, podaljškom pokrova ali plaščem iz kovinskih materialov. Ta dokument se uporablja za: – ventile nazivnih velikosti DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1050; 1200; 1350; 1400; 1500; 1600; 1650; 1800, – ki ustrezajo nazivnim velikostim cevi NPS: ⅜; ½; ¾; 1; 1 ¼; 1 ½; 2; 2 ½; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72, ter velja za tlačne oznake: – PN 16; 25; 40; 100; 160; 250; 400, – razred 150; 300; 600; 800; 900; 1500; 2500. OPOMBA: Nekatere kombinacije tipov in velikosti niso na voljo za vse nazivne tlake. Ta dokument se ne uporablja za varnostne in regulacijske ventile.

General Information

Status
Published
Publication Date
24-May-2022
Withdrawal Date
29-Nov-2022
Technical Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
25-May-2022
Completion Date
25-May-2022

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 28921-1:2022
01-julij-2022
Nadomešča:
SIST EN ISO 28921-1:2017
Industrijski ventili - Zapirni ventili za uporabo pri nizki temperaturi - 1. del:
Načrtovanje, proizvodnja in preskušanje med proizvodnjo (ISO 28921-1:2022)
Industrial valves - Isolating valves for low-temperature applications - Part 1: Design,
manufacturing and production testing (ISO 28921-1:2022)
Industriearmaturen - Absperrventile für die Anwendung im Tieftemperaturbereich - Teil 1:
Auslegung, Fertigung und Produktionsprüfung (ISO 28921-1:2022)
Robinetterie industrielle - Robinets d'isolement pour application à basses températures -
Partie 1: Conception, essais de fabrication et de production (ISO 28921-1:2022)
Ta slovenski standard je istoveten z: EN ISO 28921-1:2022
ICS:
23.060.01 Ventili na splošno Valves in general
SIST EN ISO 28921-1:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 28921-1:2022

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SIST EN ISO 28921-1:2022


EN ISO 28921-1
EUROPEAN STANDARD

NORME EUROPÉENNE

May 2022
EUROPÄISCHE NORM
ICS 23.060.01 Supersedes EN ISO 28921-1:2017
English Version

Industrial valves - Isolating valves for low-temperature
applications - Part 1: Design, manufacturing and
production testing (ISO 28921-1:2022)
Robinetterie industrielle - Robinets d'isolement pour Industriearmaturen - Absperrventile für die
application à basses températures - Partie 1: Anwendung im Tieftemperaturbereich - Teil 1:
Conception, essais de fabrication et de production (ISO Auslegung, Fertigung und Produktionsprüfung (ISO
28921-1:2022) 28921-1:2022)
This European Standard was approved by CEN on 8 May 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 28921-1:2022 E
worldwide for CEN national Members.

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SIST EN ISO 28921-1:2022
EN ISO 28921-1:2022 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 28921-1:2022
EN ISO 28921-1:2022 (E)
European foreword
This document (EN ISO 28921-1:2022) has been prepared by Technical Committee ISO/TC 153
"Valves" in collaboration with Technical Committee CEN/TC 69 “Industrial valves” the secretariat of
which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by November 2022, and conflicting national standards
shall be withdrawn at the latest by November 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 28921-1:2017.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Maced
...

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