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ISO 28721-4:2015

Vitreous and porcelain enamels — Glass-lined apparatus for process plants — Part 4: Quality requirements for glass-lined flanged steel pipes and flanged steel fittings

Oct 26, 2015

General information

90.20     Apr 15, 2026

ISO

ISO/TC 107

International Standard

25.220.50  

English   French  

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Published

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Scope

ISO 28721-4:2015 specifies the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used for process plants.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 28721-4:2010

NOW

PUBLISHED
ISO 28721-4:2015
90.20 Standard under periodical review
Apr 15, 2026

National adoptions

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)

60.60   Standard published

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