EN ISO 28721-1:2011

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2008)

ISO 28721-1:2008 specifies the quality requirements for apparatus, components, appliances and accessories of glass-lined steel (including semi-crystallized enamel coatings) and glass-lined steel castings used for process plants. It specifies the quality requirements and the tests to be carried out by the manufacturer as well as the action to be taken to repair defects.
It is also applicable to glass-lined pumps, pump components and fittings.
It is not applicable to glass-lined flanged steel pipes or glass-lined flanged steel fittings.
The test methods specified cover checking the enamel, the dimensional accuracy and the performance of apparatus and components.
This part of ISO 28721 applies to new apparatus and components as well as used items that have been re-enamelled.
It does not contain requirements regarding the chemical or physical properties of vitreous and porcelain enamels.

Emails und Emaillierungen - Emaillierte Apparate für verfahrenstechnische Anlagen - Teil 1: Qualitätsanforderungen für Apparate, Apparateteile, Einbau- und Zubehörteile (ISO 28721-1:2008)

Dieser Teil von ISO 28721 legt die Qualitätsanforderungen an in verfahrenstechnischen Anlagen eingesetzten
Apparaten, Apparateteilen sowie Einbau- und Zubehörteilen aus emailliertem Stahl (einschließlich
teilkristallisierten Emailschichten) und Stahlguss fest. Er legt die Qualitätsanforderungen und die beim
Hersteller durchzuführenden Prüfungen und die für die Ausbesserung von Emaildefekten erforderlichen Maßnahmen
fest.
Er gilt auch für emaillierte Pumpen, Pumpenteile und Armaturen.
Er gilt nicht für Flansch-Rohre und Flansch-Formstücke aus Stahl mit Emaillierung.
ANMERKUNG 1 Festlegungen für Flansch-Rohre und Flansch-Formstücke aus Stahl mit Emaillierung sind in
DIN 2876 [1] gegeben.
Die festgelegten Prüfverfahren dienen zur Überprüfung des Emails, der Maßhaltigkeit und der Funktionsweise
der Apparate und Teile.
Dieser Teil von ISO 28721 gilt für neue und gebrauchte reemaillierte Apparate und Teile.
Er legt keine Anforderungen an die chemischen und physikalischen Eigenschaften des Emails fest.
ANMERKUNG 2 Im Anhang A sind Beispiele für Prüfberichte angegeben.

Émaux vitrifiés - Appareils émaillés pour les installations industrielles - Partie 1: Exigences de qualité relatives aux appareillages, composants, appareils et accessoires (ISO 28721-1:2008)

L'ISO 28721-1:2008 spécifie les exigences de qualité relatives aux appareillages, composants, appareils et accessoires réalisés en acier émaillé (y compris les revêtements en émail semi-cristallisé) et en acier moulé émaillé utilisés dans des installations de transformation. Elle spécifie les exigences de qualité et les essais à effectuer par le fabricant ainsi que les actions nécessaires pour la réparation des défauts.
Elle s'applique également aux pompes, composants de pompes et accessoires émaillés.
Elle ne s'applique pas aux tuyaux ou raccords à brides en acier.
Les méthodes d'essai indiquées couvrent la vérification de l'émail, l'exactitude dimensionnelle et la performance des appareils et des composants.
L'ISO 28721-1:2008 s'applique aux nouveaux appareils et composants ainsi qu'aux produits utilisés et réémaillés.
Elle ne contient aucune exigence concernant les propriétés chimiques et physiques des émaux vitrifiés.

Steklasti in keramični emajli - Emajlirane naprave za procesno opremo - 1. del: Zahteve za kakovost naprav, sestavnih delov, aparatov in pribora (ISO 28721-1:2008)

ISO 28721-1:2008 določa zahteve za kakovost naprav, sestavnih delov, aparatov in pribora iz emajliranega jekla (vključno s polkristaliziranimi emajlnimi prevlekami) in emajliranih jeklenih ulitkov, ki se uporabljajo za procesno opremo. Določa zahteve za kakovost in preskuse, ki jih mora opraviti proizvajalec, ter ukrepe za popravilo okvar.
Velja tudi za emajlirane črpalke, sestavne dele črpalk in fitinge.
Ne velja za emajlirane jeklene cevovode s prirobnicami ali emajlirane jeklene fitinge s prirobnicami.
Opredeljene preskusne metode zajemajo preverjanje emajla, dimenzijsko natančnost in delovanje naprav in sestavnih delov.
Ta del ISO 28721 velja za nove naprave in sestavne dele ter za uporabljene elemente, ki so bili na novo emajlirani.
Ne vsebuje zahtev v zvezi s kemičnimi ali fizikalnimi lastnostmi steklastih in keramičnih emajlov.

General Information

• Status: Withdrawn
• Publication Date: 12-Apr-2011
• Withdrawal Date: 15-Oct-2019
• 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: 16-Oct-2019
• Ref Project: SIST EN ISO 28721-1:2011 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2008)

Relations

• Replaces: EN 15159-1:2006 - Vitreous and porcelain enamels - Glass lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories
• Effective Date: 16-Apr-2011
• Replaced By: EN ISO 28721-1:2019 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2019)
• Effective Date: 23-Oct-2019

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2011
1DGRPHãþD
SIST EN 15159-1:2006
6WHNODVWLLQNHUDPLþQLHPDMOL(PDMOLUDQHQDSUDYH]DSURFHVQRRSUHPRGHO
=DKWHYH]DNDNRYRVWQDSUDYVHVWDYQLKGHORYDSDUDWRYLQSULERUD,62

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1:
Quality requirements for apparatus, components, appliances and accessories (ISO
28721-1:2008)
Emails und Emaillierungen - Emaillierte Apparate für verfahrenstechnische Anlagen - Teil
1: Qualitätsanforderungen für Apparate, Apparateteile, Einbau- und Zubehörteile (ISO
28721-1:2008)
Émaux vitrifiés - Appareils émaillés pour les installations industrielles - Partie 1:
Exigences de qualité relatives aux appareillages, composants, appareils et accessoires
(ISO 28721-1:2008)
Ta slovenski standard je istoveten z: EN ISO 28721-1:2011
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 28721-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2011
ICS 25.220.50 Supersedes EN 15159-1:2006
English Version
Vitreous and porcelain enamels - Glass-lined apparatus for
process plants - Part 1: Quality requirements for apparatus,
components, appliances and accessories (ISO 28721-1:2008)
Émaux vitrifiés - Appareils émaillés pour les installations Emails und Emaillierungen - Emaillierte Apparate für
industrielles - Partie 1: Exigences de qualité relatives aux verfahrenstechnische Anlagen - Teil 1:
appareillages, composants, appareils et accessoires (ISO Qualitätsanforderungen für Apparate, Apparateteile,
28721-1:2008) Einbau- und Zubehörteile (ISO 28721-1:2008)
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.

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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 28721-1:2011: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
The text of ISO 28721-1:2008 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 EN
ISO 28721-1:2011 by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” the
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 15159-1:2006.
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 28721-1:2008 has been approved by CEN as a EN ISO 28721-1:2011 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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