The document establishes a system for cataloging defects at chemical enamels and glass-lined apparatus and represents the defects by figures. It covers using of uniform terminology regarding designation and characterisation of these defects. It is only restricted to sensible defects and does not completely consider all types of defects may be occured. The defects are not evaluated, the clasification performed only serves job rotation.#,,#
DIN 51176-1:2003 history
2016DIN EN ISO 28721-5:2016 Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 5: Presentation and characterisation of defects (ISO 28721-5:2016); German version EN ISO 28721-5:2016
2003DIN 51176-1:2003 Vitreous and porcelain enamels - Presentation and characterisation of defects - Part 1: Enamels for chemical service and vessels