EN ISO 28721-2:2011

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2008)

ISO 28721-2:2008 specifies requirements for the resistance to chemical attack and thermal shock of chemical enamels and their designation for ordering purposes.
It is applicable to enamelled apparatus, piping and other components primarily used for process equipment in chemical plants.
It only applies to unalloyed and low-alloy carbon steels suitable for enamelling.
NOTE The main criteria for assessing enamel quality are the resistance to chemical attack and thermal shock and the structure of the cover coat enamel.

Emails und Emaillierungen - Emaillierte Apparate für verfahrenstechnische Anlagen - Teil 2: Bezeichnung und Festlegung der chemischen und Temperaturschockbeständigkeit (ISO 28721-2:2008)

Dieser Teil von ISO 28721 legt die Anforderungen an die chemische und Temperaturschockbeständigkeit von
Chemie-Emails sowie die zur Bestellung zu verwendende Bezeichnung fest.
Er gilt für emaillierte Apparate, Rohrleitungen und sonstige Bauteile, die vorwiegend für verfahrenstechnische
Zwecke in Chemie-Anlagen eingesetzt werden.
Er gilt nur für unlegierte und niedriglegierte emaillierbare Kohlenstoffstähle.
ANMERKUNG Die wesentlichen Kriterien für die Beurteilung der EmaiIqualität sind die chemische und Temperaturschockbeständigkeit
sowie die Struktur der Deckemailschicht.

Émaux vitrifiés - Appareils émaillés pour les installations industrielles - Partie 2: Désignation et spécifications de la résistance à l'attaque chimique et au choc thermique (ISO 28721-2:2008)

L'ISO 28721-2:2008 définit les exigences concernant la résistance à l'attaque chimique et au choc thermique des émaux chimiques et leur désignation pour répondre à la commande.
Elle s'applique aux appareils, aux éléments de tuyauterie et aux autres composants émaillés, principalement utilisés pour l'équipement industriel dans les usines chimiques.
Elle s'applique uniquement aux aciers au carbone faiblement alliés et non alliés, convenant à l'émaillage.

Steklasti in keramični emajli - Emajlirane naprave za procesno opremo - 2. del: Označevanje in specifikacija odpornosti proti kemični agresiji in toplotnemu udaru (ISO 28721-2:2008)

ISO 28721-2:2008 določa zahteve za odpornost kemičnih emajlov proti kemični agresiji in toplotnemu udaru ter njihovo označevanje za namene naročanja.
Velja za emajlirane naprave, cevovode in druge sestavne dele, ki se uporabljajo predvsem za procesno opremo v kemičnih tovarnah.
Velja samo za nelegirana in malo legirana ogljikova jekla, primerna za emajliranje.
OPOMBA: Glavna merila za ocenjevanje kakovosti emajla so odpornost proti kemični agresiji in toplotnemu udaru ter struktura krovne plasti emajla.

General Information

• Status: Withdrawn
• Publication Date: 12-Apr-2011
• Withdrawal Date: 22-Dec-2015
• ICS: 25.220.50 - Enamels
• Technical Committee: CEN/TC 262 - Metallic and other inorganic coatings
• Drafting Committee: CEN/TC 262 - Metallic and other inorganic coatings
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Completion Date: 23-Dec-2015
• Ref Project: SIST EN ISO 28721-2:2011 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2008)

Relations

• Replaces: EN 15159-2:2006 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock
• Effective Date: 17-Oct-2009
• Replaced By: EN ISO 28721-2:2015 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2015)
• Effective Date: 16-Apr-2014

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2011
1DGRPHãþD
SIST EN 15159-2:2006
6WHNODVWLLQNHUDPLþQLHPDMOL(PDMOLUDQHQDSUDYH]DSURFHVQRRSUHPRGHO
2]QDþHYDQMHLQVSHFLILNDFLMDRGSRUQRVWLSURWLNHPLþQLDJUHVLMLLQWRSORWQHPXXGDUX
,62
Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2:
Designation and specification of resistance to chemical attack and thermal shock (ISO
28721-2:2008)
Emails und Emaillierungen - Emaillierte Apparate für verfahrenstechnische Anlagen - Teil
2: Bezeichnung und Festlegung der chemischen und Temperaturschockbeständigkeit
(ISO 28721-2:2008)
Émaux vitrifiés - Appareils émaillés pour les installations industrielles - Partie 2:
Désignation et spécifications de la résistance à l'attaque chimique et au choc thermique
(ISO 28721-2:2008)
Ta slovenski standard je istoveten z: EN ISO 28721-2:2011
ICS:
25.220.50 Emajlne prevleke Enamels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 28721-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2011
ICS 25.220.50 Supersedes EN 15159-2:2006
English Version
Vitreous and porcelain enamels - Glass-lined apparatus for
process plants - Part 2: Designation and specification of
resistance to chemical attack and thermal shock (ISO 28721-
2:2008)
Émaux vitrifiés - Appareils émaillés pour les installations Emails und Emaillierungen - Emaillierte Apparate für
industrielles - Partie 2: Désignation et spécifications de la verfahrenstechnische Anlagen - Teil 2: Bezeichnung und
résistance à l'attaque chimique et au choc thermique (ISO Festlegung der chemischen und
28721-2:2008) Temperaturschockbeständigkeit (ISO 28721-2:2008)
This European Standard was approved by CEN on 17 March 2011.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 28721-2:2011: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
The text of ISO 28721-2:2008 has been prepared by Technical Committee ISO/TC 107 “Metallic and other
inorganic coatings” of the International Organization for Standardization (ISO) and has been taken over as
secretariat of which is held by BSI.
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 October 2011, and conflicting national standards shall be withdrawn at
the latest by October 2011.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 15159-2:2006.
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, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 28721-2:2008 has been approved by CEN as a EN ISO 28721-2:2011 without any
modification.
INTERNATIONAL ISO
STANDARD 28721-2
First edition
2008-12-01
Vitreous and porcelain enamels —
Glass-lined apparatus for process
plants —
Part 2:
Designation and specification of
resistance to chemical attack and thermal
shock
Émaux vitrifiés — Appareils émaillés pour les installations
industrielles —
Partie 2: Désignation et spécifications de la résistance à l'attaque
chimique et au choc thermique
Reference number
ISO 28721-2:2008(E)
©
ISO 2008
ISO 28721-2:2008(E)
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