DIN 19557-1:1984-05
Superseded
Superseded
View Superseded by
SEWAGE TREATMENT PLANTS - MINERAL FILTER MEDIA FOR PERCOLATING FILTERS - REQUIREMENTS, TESTING, DELIVERY, PLACING
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
01-01-1984
Superseded date
01-01-2004
Superseded by
Excluding Tax where applicable
Applies to mineral filter media for percolating filters for the biological treatment of sewage. Mineral filter media, hereinafter briefly termed filter media, consist of natural stone such as scoriaceous lava, broken stone and coarse gravel, graded into size groups. Does not apply to filter media made of plastics.
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy |
Summarise