
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 28721-4:2010)
出版:Norwegian Standards (Norges Standardiseringsforbund)

專家解讀視頻
Defines the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used for process plants.
Supersedes NS EN 15711. (04/2013)
EN ISO 28721-4:2015 - Identical