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EN ISO 28721-1:2011

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

25-10-2019

Superseded by

EN ISO 28721-1:2019

Published date

13-04-2011

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Foreword
1 Scope
2 Normative references
3 Requirements
4 Testing
5 Manufacturing stages and inspections
6 Repairing defects
7 Test report
8 Packaging and transportation
9 Inspection at delivery
Annex A (informative) - Examples of test reports
Bibliography

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.

Committee
CEN/TC 262
DevelopmentNote
Supersedes EN 15159-1. (04/2011) Supersedes PREN ISO 28721-1. (08/2011)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy
Supersedes

DIN 28006-2:2016-05 (Draft) GENERAL TOLERANCES FOR AGITATOR VESSELS - PART 2: GLASS LINED AGITATOR VESSELS
ISO 28721-3:2008 Vitreous and porcelain enamels — Glass-lined apparatus for process plants — Part 3: Thermal shock resistance
DIN 28161:2006-12 Requirements on agitator drives - Agitator speed and direction, bearing application running accuracy, dis-mounting space for shaft seal
ISO 2808:2007 Paints and varnishes Determination of film thickness
DIN 2876:2002-06 FLANGED STEEL PIPES AND FLANGED STEEL FITTINGS GLASS LINED - TECHNICAL SPECIFICATIONS
EN 14430:2004 Vitreous and porcelain enamels - High voltage test
ISO 780:2015 Packaging Distribution packaging Graphical symbols for handling and storage of packages
ISO 2178:2016 Non-magnetic coatings on magnetic substrates Measurement of coating thickness Magnetic method
DIN 28007-2:2016-05 (Draft) GENERAL TOLERANCES FOR COLUMNS - PART 2: GLASS LINED COLUMNS
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
DIN 28159:2006-12 SHAFT END FOR EXTERNALLY COUPLED GLASS LINED STEEL AGITATORS - DIMENSIONS
DIN 28005-2:2016-05 (Draft) GENERAL TOLERANCES FOR VESSELS - PART 2: GLASS LINED VESSELS

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