This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
ISO 28721-4:2015 specifies the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used for process plants.
Status: PublishedPublication date: 2015-11
Edition: 2Number of pages: 5
Technical Committee: ISO/TC 107 Metallic and other inorganic coatings
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