M00018454
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ISO DIS 28721-5 2014 Edition, July 10, 2014 VITREOUS AND PORCELAIN ENAMELS - GLASS-LINED APPARATUS FOR PROCESS PLANTS - PART 5: PRESENTATION AND CHARACTERISATION OF DEFECTS
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Availability date: 07/14/2021
Description / Abstract:
This standard establishes a system for the cataloguing of
defects in enamellings for chemical service and vessels; in
addition, it describes some types of areas in which defects have
been treated and which can easily be confounded with enamelling
defects. It serves for a consistent language use concerning the
designation and characterization of enamelling defects. This
standard is limited to detectable defects and does not purport to
fully take into consideration all occurring types of defects. It
does not evaluate enamelling defects; the
classification carried out is based on experience and corresponds,
as far as possible, to ISO 28721-1.
NOTE Regarding the acceptance of glass lined equipment for use
in process engineering, ISO 28721-1 applies.