I.S. EN ISO 28721-4:2015
Current
The latest, up-to-date edition.
VITREOUS AND PORCELAIN ENAMELS - GLASS-LINED APPARATUS FOR PROCESS PLANTS - PART 4: QUALITY REQUIREMENTS FOR GLASS-LINED FLANGED STEEL PIPES AND FLANGED STEEL FITTINGS (ISO 28721-4:2015)
Hardcopy , PDF
English
01-01-2015
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials for steel parts
5 Information to be supplied by the purchaser
6 Requirements
7 Tests and certificates
8 Marking
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